Joint Russian Norwegian Arctic Fisheries Working Group (JRN-AFWG) Report 2024

The aim of this chapter is to identify important ecosystem information influencing the fish stocks. Ecosystem and climate changes, along with fishery, determine the stock dynamics of commercial species. Water temperature and ice conditions influence on distribution of the commercial fishes in the Barents Sea. Apart from this, temperature impacts on growth rate and mortality at the early stages (larvae, juveniles). Currents affect the strength of year-classes by providing transport of eggs, larvae and 0-group of commercial species from the spawning areas into the Barents Sea. Food availability is another important ecosystem driver that influence on the rate of growth and maturation of commercial fishes. It depends not only on the prey availability, but also on feeding competition. Mortality due to predation, including cannibalism, can greatly affect population abundance of commercial species. The impact of ecosystem changes on the dynamics of bycatches of juveniles and non-target species in mixed fisheries should also be taken into account.

Specification of the ecosystem impact on the assessed species :

Cod

The cod stock has been decreasing, but predictions indicate that it will stabilize on a low level. The main effect of the ecosystem impact on cod stock dynamics is manifested in the change in the abundance of its recruitment. There have not been any strong year-classes of cod since 2005 despite high cod SSB and above average sea temperatures. Recruitment has previously been shown to be positively correlated with both those factors, but in recent years this is no longer the case. Meso-zooplankton is important for survival of larvae and 0-group cod, so their distribution must overlap with areas of relatively high plankton biomasses. Despite a large number of studies (see e.g. summary in Ottersen et al., 2014), the underlying mechanism of the impact of the Barents Sea ecosystem on cod recruitment is still not well understood.

Haddock

Warm conditions are necessary, but not sufficient conditions to ensure good recruitment and growth. Plankton bloom (timing and strength) and influx are important for recruitment and feeding conditions are important for growth and reproduction. In 2019-2020 feeding conditions of haddock in the Barents Sea were poor, which reduced its condition. Older haddock includes a high proportion of benthic invertebrates in their diet, the availability of this prey group is not known. Reduction of cod stock and intermediate to high abundance of capelin could lead to less predation on haddock by cod, and therefore lower mortality on both pre-recruits and younger haddock recruited into the fishery.

Greenland halibut

The distribution of the Greenland halibut stock is very uneven in the Barents Sea and adjacent waters and strongly depends on the migrations that it makes throughout its life. The highest densities of adult fish are observed in spawning grounds on the slope of the continental shelf. Juveniles are widely distributed along the northern part of the shelf and their abundance in the Barents Sea may be affected by water temperature and currents, although the effect of these factors is not fully understood and uncertain. Growth and maturation of the Greenland halibut depend on prey abundance. Greenland halibut feeds on zooplankton, capelin, herring, polar cod and other small fishes. Cod can be both predator and food competitor for Greenland halibut. Cannibalism can also be observed in areas with overlapping of adults and juveniles. Mammals can consume Greenland halibut in the spawning areas.

Beaked redfish

As a boreal species, it is benefiting from the warming in the Barents Sea. Its stock has increased in recent years, but its stock assessment is characterized by high uncertainty. Feeding condition for beaked redfish in 2022-2023 were likely to be relatively stable. Cod and Greenland halibut are main predators for the beaked redfish. However, as abundance of these species is declining and abundance of capelin, herring and polar cod is increased, the predation pressure on redfish probably is relatively low. In recent years, the mortality rate of young beaked redfish has been high due to bycatches in the shrimp fishery (ICES AFWG, 2023). This strongly depends on the overlap between the distribution areas of redfish juveniles and shrimp fishery areas. The stock size and distribution of shrimp as well as currents and temperature affect this.

Current situation :

In the last six years, the Barents Sea coverage during the ecosystem survey (BESS) was incomplete in 2020 and 2022, making the evaluation of the ecosystem status more uncertain. The 20-th BESS was carried out during the period from 10-th August 2023 to 7th October 2023 by three Norwegian and one Russian research vessels. The temporal and spatial progression during the survey was good (Figure 1a,b).

 

 

 

Abiotic conditions

A warming was evident in most of the central Barents Sea in 2023, with temperatures well above the long-term mean (1981-2010). However, the northwestern and southwestern parts were colder than both the long-term mean and the year before (2022). Ice coverage of the Barents Sea in 2023 was below both the long-term mean and that of 2022. The area of the Barents Sea occupied by bottom waters with a temperature < 0°C amounted to 17% and was substantially lower compared to the level of the previous four years (Fig. 1). According to the expert evaluation, Atlantic water temperature in the Murman Current in 202 4 is expected to decline slightly but remain typical of warm years. Due to high temperatures and low sea-ice extent in recent years, the ice coverage of the Barents Sea is expected to remain below normal. Lower than average ice coverage and longer duration of ice-free season, increase primary productivity of the Barents Sea.

 

 

Mesozooplankton

The results from the joint Norwegian-Russian Barents Sea ecosystem cruise in autumn 2023 show the typical pattern of comparatively high mesozooplankton biomasses in the southwestern and northerly regions, and in the deeper part of the southeastern area. Biomasses were much lower on the banks in central regions, and particularly low in the southeastern corner of the Barents Sea. Considering the overall mesozooplankton biomass in 2023, the levels in western areas influenced by inflowing Atlantic water were comparable to earlier years when considering year-to-year variability. This was also the case for the bank regions in the central Barents Sea, as well as in the easternmost subareas. However, when studying size-fractioned biomass which is available for the Norwegian sector of the Barents Sea, the mid-size biomass fraction stands out with conspicuously low levels during the last four years. This size-fraction typically represents older stages of relatively large copepods such as Calanus and Metridia . In contrast, the smallest biomass size-fraction which generally represents small species or young stages of copepods, has shown comparatively high levels in the last two years. The low level of the mid-size biomass fraction (primarily representing large copepods) in later years is worth noting when considering the feeding conditions for fish and other predators in the ecosystem.

Prey stocks

Euphausiids, amphipods and shrimp are important prey for most commercial fish in the Barents Sea. In 2023 the total biomass of euphausiids was slightly less than long term mean (2015-2021). In recent years, the northern shrimp stock has remained stable, showing fluctuations but without a clear trend.

Capelin, polar cod and young herring are the main forage pelagic fish in the Barents Sea, which are important prey for most predators in the area, including commercial demersal species. These species are very sensitive to various changes in the ecosystem, the influence of predators, fishing, or the plankton availability. Historically, their stocks change rapidly depending on year-classes strength. Capelin abundance is still around average level now and will likely have a negative trend in 2024-2025 due to lack of strong year classes in 2021-2022 and probably insufficient feeding conditions. The average length and weight of capelin remains very low most likely due to the low biomass of plankton in the feeding areas. The recent strong herring year classes may have a negative impact on capelin recruitment also. The 2022-2023 year- classes of herring were very abundant at 0-group stage and confirmed by other recent observations. This gives a probable increase in the herring stock in the next 4-5 years. Polar cod biomass very uncertain since in recent years the area of polar cod distribution was not covered well in the ecosystem surveys. The polar cod stock is likely increasing since the consumption of cod has been much lower in recent years. In 2023, abundant polar cod at age 0 were mainly found around the Svalbard (Spitsbergen) in 2023 and for the first time since the observations started in 1980, the record strong year class came from this area.

Fish diets

Cod is a main predator in the Barents Sea. Its diet was relatively stable in recent years; capelin was the main prey. The diet composition of cod in 2023 was similar to that in 2022 (Fig. 2). Since 2013 the importance of snow crab considerably increased in cod diet and consisted of 3-7 % by weight (Fig. 3). It should be noted that in 2022-2023 an unexpected increase of red king crab up to 3-5 % by weight in the diet was observed (Fig.3), but cod consume only crab legs, empty carapaces after molting or individuals with soft carapace immediately after molting. Fig. 4 shows the consumption by cod in the period 1984-2023. Consumption of most prey decreased from 2022 to 2023 due to decrease in cod abundance.

Fig. 5 and 6 show the proportion of cod and haddock in the diet of cod. Predation of cod on juvenile cod and haddock was relatively low in recent years, but the proportion of haddock in cod diet is increasing, which is consistent with the increased abundance of young haddock in recent years.

Individual growth of cod has increased somewhat in recent years, but now seems to have stabilized. Feeding conditions for cod are expected to be adequate in the near future, as the cod likely will be able to feed on other prey if the capelin stock decreases (see Gjøsæter et al. 2009 for a discussion of ecosystem effects of capelin collapses). Also, the cod stock is decreasing so there will be less competition for food.

The diet composition of haddock is presented in Fig. 7. Haddock is benthivorous species and feed mainly on polychaets, echinoderms and molluscs (on average up to 43 % by weight). However, euphausiids and fish (including capelin and herring) can be important prey items (on average up to 13 % and 17 % by weight respectively ).

 

 

 

 

 

 

 

 

 

 

 

Reference

Gjøsæter, H., Bogstad, B., and Tjelmeland, S. 2009. Ecosystem effects of three capelin stock collapses in the Barents Sea. In Haug, T., Røttingen, I., Gjøsæter, H., and Misund, O. A. (Guest Editors). 2009. Fifty Years of Norwegian-Russian Collaboration in Marine Research. Thematic issue No. 2, Marine Biology Research 5(1):40-53. Doi: 10.1080/17451000802454866

Ottersen, G., Bogstad, B., Yaragina, N. A., Stige, L. C., Vikebø, F., and Dalpadado, P. 2014. A review of early life history dynamics of Barents Sea cod (Gadus morhua). ICES Journal of Marine Science 71(8): 2064-2087.

The state of biological resources of the Barents, White and Kara Seas and the North Atlantic in 2023. / Murmansk, PINRO 2024, 170 p.

van der Meeren, G. and Prozorkevitch, D. (eds.) 2023. Survey report from the joint Norwegian/Russian Ecosystem Survey in the Barents Sea and the adjacent waters August- December 2022. IMR/PINRO-report series x/2023 (in prep)

Survey report (Part 1) from the joint Norwegian/Russian Ecosystem Survey in the Barents Sea and the adjacent waters August-October 2023 Report series: IMR-PINRO Year - No.: 2024-2 Date: 20.11.2023 DOI: 10.13140/RG.2.2.19519.07842

Status of the fisheries

Historical development of the fisheries (Table 3.1)

From a level of about 900 000 t in the mid-1970s, total catch declined steadily to around 300 000 t in 1983—1985 (Table 3.1). Catches increased to above 500 000 t in 1987 before dropping to 212 000 t in 1990, the lowest level recorded in the post-war period. The catches increased rapidly from 1991 onwards, stabilized around 750 000 t in 1994—1997 but decreased to about 414 000 t in 2000. From 2000—2009, the reported catches were between 400 000 and 520 000 t, in addition there were unreported catches (see below). Catches have been above the long-term average since 2011 and have decreased from a peak of 986 000 tonnes in 2014 to 693 000 tonnes in 2019-2020 before increasing to 767 000 tonnes in 2021 and decreasing again to 582 552 tonnes in 2023. The fishery is conducted both with an international trawler fleet and with coastal vessels using traditional fishing gears. Quotas were introduced in 1978 for the trawler fleets and in 1989 for the coastal fleets. In addition to quotas, the fishery is regulated by a minimum catch size, a minimum mesh size in trawls and Danish seines, a maximum bycatch of undersized fish, closure of areas having high densities of juveniles and by seasonal and area restrictions.

Reported catches prior to 2024 (Tables 3.1-3.4, Figure 3.1)

The provisional catch of cod in Subarea 1 and divisions 2.a and 2.b for 2023 reported to the working group is 630 662 t (including both NEA cod and NCC catches).

The historical practice (considering catches between 62°N and 67°N for the whole year and catches between 67°N and 69°N for the second half of the year to be Norwegian coastal cod) has been used for estimating the Norwegian landings of Northeast Arctic cod up to and including 2011 (Table 3.2). The catches of coastal cod subtracted from total cod catches in Subarea 1 and divisions 2.a and 2.b for the period 1960—2023 are given in Table 3.2. For 2012–2023 the Norwegian catches have been analysed by an ECA-version designed for simultaneously providing estimates of catch numbers-at-age for each of the two stocks.

Coastal cod catches in 2023 for the southern and northern area combined were 48 110 tonnes and this amount was as in previous years subtracted from the total cod catch north of 62° N to get the figure for NEA cod used in that assessment (Table 3.1 and 3.2).

The time series for coastal cod catches are now inconsistent with the coastal cod catches presented in ICES AFWG 2024 Chapter 2, as the coastal cod catch time series were revised at WKBarFar, but not the NEA cod time series. At WKBarFar, the proposal for revision of NEA cod catch data series was rejected, as Norwegian data for many years and age groups (especially ages 12+ in years prior to 2013) were changed considerably and the reason for this was not sufficiently explained. WKBarFar recommended that when the revision of the historical Norwegian catch data is ready it should be submitted to ICES for review, ideally by a review attached to the AFWG.

The catch by area is shown in Table 3.1, and further split into trawl and other gears in Table 3.3. The distribution of catches by gears in 2023 was similar to 2022, while the proportion of catches taken in area 2b decreased markedly. The nominal landings by country are given in Table 3.4.

There is information on cod discards (see ICES AFWG 2021 section 0.4) but it was not included in the assessment because these data are fragmented and different estimates are in contradiction with each other. Moreover the level of discards is relatively small in the recent period and inclusion of these estimates in the assessment should not change our perception on NEA cod stock size.

In summer/autumn 2018, a Norwegian vessel caught 441 t of cod in the Jan Mayen EEZ, which is a part of ICES area 2a, mostly by long-line. Cod is known to occasionally occur in this area, but rarely in densities which are suitable for commercial fisheries. The cod caught in this area in 2018 was large (65-110 cm), and otolith readings and genetics both showed this cod to be a mix of Northeast Arctic and Icelandic cod. Norway did in 2019-2020 carry out an experimental long-line fishery during four different periods in each year in order to investigate further the occurrence of cod in this area in space and time as well as stock identity. A description of this fishery as well as a historic overview of cod observations around Jan Mayen is given in Bogstad (2023).

Quotas, catches and advice for the period 2019-2024 for cod in the Jan Mayen area are given in Table 3.1a. These catches are not included in the catch statistics for Northeast Arctic cod.

Unreported catches of Northeast Arctic cod (Table 3.1)

In the years 2002—2008 certain quantities of unreported catches (IUU catches) have been added to the reported landings. More details on this issue are given in the Working group reports for that period.

There are no reliable data on level of IUU catches outside the periods 1990—1994 and 2002—2008, but it is believed that their level was not substantial enough to influence on historical stock assessment.

According to reports from the Norwegian-Russian analysis group on estimation of total catches the total catches of cod since 2009 were very close to officially reported landings.

TACs and advised catches for 2023 and 2024

The Joint Norwegian-Russian Fisheries Commission (JNRFC) agreed on a cod TAC of 566 784 t for 2023, and in addition 21 000 t Norwegian coastal cod. The total reported catch of 630 662 t in 2023 was 42 878 t above the agreed TAC. Since 2015 JNRFC has decided that Norway and Russia can transfer to next year or borrow from last year 10% of the cod country’s quota. That may lead to some deviation between agreed TAC and reported catch. As an extraordinary measure due to expected underfishing of the TAC in 2021, JNRFC decided that it should be possible to transfer 15% of the TAC between 2021 and 2022, but thereafter the maximum transfer was reset back to the agreed 10%.

The advice for 2024 given by JRN-AFWG in 2023 was 453 427 t based on the agreed harvest control rule. The quota established by JNRFC for 2024 was set equal to the advice. In addition, the TAC for Norwegian Coastal Cod was set to the same value for 2024 as for 2023: 21 000 t.

Status of research

Fishing effort and CPUE (Table A1, Figure 3.4-3.5)

CPUE series of the Norwegian and Russian trawl fisheries are given in Table A1. The data reflect the total trawl effort (Figure 3.4), both for Norway and Russia. The Norwegian series is given as a total for all areas. Norwegian data for 2011–2023 are not compatible with data for 2007 and previous years. Norwegian CPUE declined from 2020 to 2023 and reached the lowest level in the 2011-2023 time series (Figure 3.5). Note that double trawl is now the dominant gear in the Norwegian trawl fishery (Nedreaas and Otterå WD02), but trends are the same for single and double trawl. Russian CPUE in area 2a in 2022-2023 was the lowest since 1999 and in area 1 in 2023 it was the lowest since 2006, while in area 2b it increased somewhat from 2022 to 2023.

Survey results - abundance and size at age (Tables 3.5, A2-A14)

Joint Barents Sea winter survey (bottom trawl and acoustics) Acronyms: BS-NoRu-Q1 (BTr) and BS-NoRu-Q1 (Aco)

The survey was carried out as planned with relatively good spatial coverage, although bad weather and ice limited the coverage somewhat.

Before 2000 this survey was made without participation from Russian vessels, while in 2001—2005, 2008—2016 and 2018-2024 Russian vessels have covered important parts of the Russian zone. In 2006—2007 the survey was carried out only by Norwegian vessels. In 2007, 2016, and 2021-2024 the Norwegian vessels did not cover any part of the Russian EEZ. The methods for adjustment for incomplete area coverage are described in detail in Fall et al. (2024) and references therein. Table 3.5 shows areas covered in the time-series and the additional areas implied in the method used to adjust for missing coverage in the Russian Economic Zone.

Regarding the older part of this time-series it should be noted that the survey prior to 1993 covered a smaller area (Jakobsen et al . 1997), and the number of young cod (particularly 1- and 2-year old fish) was probably underestimated. Changes in the survey methodology through time are described in Appendix 2 in Fall et al. (2024). Note that the change from 35 to 22 mm mesh size in the codend in 1994 is not corrected for in the time-series. This mainly affects the age 1 indices.

It is likely that in recent years the coverage in the February survey (BS-NoRu-Q1 (BTr) and BS-NoRu-Q1 (Aco)) has been incomplete, in particular for the younger ages. This could cause a bias in the assessment, but the magnitude is unknown. The 2014–2024 surveys covered considerably larger areas than earlier winter surveys, and showed that most age groups of cod (particularly ages 1 and 2) were distributed far outside the standard survey area. The bottom trawl survey estimates including the extended area for 2014-2024 were used in the tuning data separately from the same index before 2014, as decided at WkBarFar 2021.

Lofoten acoustic survey on spawners Acronym: Lof-Aco-Q1

The estimated abundance indices from the Norwegian acoustic survey off Lofoten and Vesterålen (the main spawning area for this stock) in March/April are given in Table A4. A description of the survey, sampling effort and details of the estimation procedure can be found in Korsbrekke (1997). The 2024 survey results in biomass terms was 108 thousand tonnes, this is 16 % below the 2023 level and the lowest since 2001.

A pilot survey on spawning grounds north of the area covered by the Lofoten survey was carried out in 2023 (Korsbrekke 2024), at about the same time and in the same way as the Lofoten survey. The total abundance in that area was about 17% of that in the Lofoten area. The area covered by this pilot survey is mostly covered also by the winter survey, but with much larger distance between transects at that time.  Such a survey was not carried out in 2024.

Joint Ecosystem survey Acronym: Eco-NoRu-Q3 (Btr)

Swept area bottom trawl estimates from the joint Norwegian-Russian ecosystem survey in August-September for the period 2004–2023 are given in Table A14. This survey normally covers the entire distribution area of cod at that time of the year.

In 2014 this survey had an essential problem with area coverage in the north-west region because of difficult ice conditions. In the area covered by ice in 2014 a substantial part of population was distributed during 2013 survey. So, based on those observations AFWG decided in 2015 to exclude 2014 year from that tuning series in current assessment. In 2016 there was incomplete coverage in the international waters and close to the Murman coast. An adjustment for this incomplete coverage was made based on interpolation from adjacent areas (Kovalev et al 2017, WD 12). At this time of the year, usually a relatively small part of the cod stock is found in the area which was not covered in 2016. In 2017 and 2019 the coverage was close to complete, although the far northeastern part of the survey area (west of the north island of Novaya Zemlya) was not covered due to military restrictions. In 2018, a large area in the eastern part of the Barents Sea was not covered. Thus it was decided not to include 2018 data from this survey in the assessment.

The coverage in 2020 was less synoptic than usual, but it was decided to keep the results in the assessment. The 2021 and 2023 coverage was adequate.

In 2022 the coverage of the Russian EEZ was done much later than the coverage of the Norwegian EEZ, with the entire survey period being from 15 August to 3 December (van der Meeren and Prozorkevitch, 2023). Also some areas were not covered. Indices based on the combined data have been calculated (Table A14), but due to the poor synopticity and incomplete coverage it was decided not to use the index for that year in the assessment.

The survey indices are calculated both the BioFox and StoX calculation methods, and as in earlier years, the Biofox series was used in the tuning. A research recommendation from WkBarFar was to unify these two methods for estimating indices from ecosystem survey. However, the benchmark decided to use weight at age from the StoX in calculations of weight at age used in the assessment.

Russian autumn survey Acronym: RU-BTr-Q4

Abundance estimates from the Russian autumn survey (November-December) are given in Table A9 (acoustic estimates) and Table A10 (bottom trawl estimates). The entire bottom trawl time-series was in 2007 revised backwards to 1982 (Golovanov et al ., 2007, WD3), using the same method as in the revision presented in 2006, which went back to 1994. The new swept area indices reflect Northeast Arctic cod stock dynamics more precisely compared to the previous one - catch per hour trawling. The Russian autumn survey in 2006 was carried out with reduced area coverage. Divisions 2a and 2b were adequately investigated in the survey in contrast to Subarea 1, where the survey covered approximately 40% of the long-term average area coverage. The Subarea 1 survey indices were calculated based on actual covered area (40 541 sq. miles). The 2007 AFWG decided to use the “final" year class indices without any correction because of satisfactory internal correspondence between year class abundances at age 2—9 years according to the 2006 survey and ones due to the previous surveys.

This survey was not conducted in 2016, but was carried out in 2017, when 79% of the standard survey area was covered (Sokolov et al 2018, WD 11). The index shows a reliable internal consistence and it was decided to use it in the assessment. This survey was not carried out in 2018-2023 and is discontinued.

Survey results - length and weight-at-age (Tables A5-A8, A11-A12, A15, A16)

Length-at-age is shown in Table A5 for the Joint survey in the Barents Sea in winter, in Table A7 for the Lofoten survey and in Table A11 for the Russian survey in October-December. Weight-at-age is shown in Table A6 for the Norwegian survey in the Barents Sea in winter, in Table A8 for the Lofoten survey, Table A12 for the Russian survey in October-December and Table A15 for the BESS survey (calculated using StoX). Table A16 presents combined data on Weight-at-age from winter survey and Lofoten survey.

Length and weight at age in the Joint winter survey in the Barents Sea was fairly stable from 2023 to 2024, with some increase noted for ages 4 and 7. Weight at age in the Lofoten survey decreased for ages 6-9. The size at age in the BESS survey showed little change from 2022 to 2023.

Age reading

The joint Norwegian-Russian work on cod otolith reading has for many years included regular exchanges of otoliths and age readers (see ICES AFWG 2021 chapter 0.7). The results of fifteen years of annual comparative age readings are described in Yaragina  et al . (2009). Zuykova  et al . (2009) re-read old otoliths and found no significant difference in contemporary and historical age determination and subsequent length at age. However, age at first maturation in the historical material as determined by contemporary readers is somewhat younger (from -0.6 years for the 1940-1950s to -0.28-0 years for the 1970-1980s) than that determined by historical readers. Taking this difference into account would thus have effect on the spawning stock-recruitment relationship and thus on the biological reference points.

The overall percentage agreement for the 2017–2018 exchange was 87.7% (Zuykova et al. 2020). The main reason for cod ageing discrepancies between Russian and Norwegian specialists remains the same, representing the latest summer growth zone, and different interpretations of the false zones. The general trend is that the Russian readers assign slightly lower ages than the Norwegian readers compared to the modal age for age groups 7 years and older. This is opposite of what we have seen in previous readings, where the Russian readers has tended to be slightly overestimating the age compared to the Norwegian readers for younger fish (1-5 years), underestimating for older fish (>10 years) and reading without significant difference for ages 6-9 years.

The trend with bias in NEA cod age determination registered for some years of the period 1992–2018 between experts of both countries is a solid argument to continue comparative cod age reading between PINRO and IMR to monitor the situation. The German participant has expressed an intention to join the age reading cooperation in future.

  Cod otoliths from 2019-2023 have not yet been exchanged between the parties. A system for transferring otoliths between IMR and Polar Branch of VNIRO needs to be set up to resume regular calibration of age readings. Images of otoliths are intended to be temporarily used instead of a physical exchange of otoliths until a system for exchange is in place.

Data available for use in assessment

Data for the period 1946–1983 are taken from the AFWG 2001 report (ICES CM 2001/ACFM:19) and were not revised at the WKBarFar benchmark in 2021.

Catch-at-age (Table 3.6)

For 2023, age compositions from all areas were available from Norway, Russia, Spain and Germany.

There is a concern about the biological sampling from parts of both the Norwegian and Russian fishery that may be too low or missing. Also the split between NEA cod and coastal cod may be affected by the sampling coverage. Data from Norwegian Coast Guard vessels’ length measurements onboard Russian vessels in some quarters of 2023 were used for calculation of age composition of Russian catches in Division 1, 2a and 2b.

Survey indexes available for use in assessment (Table 3.13, A13)

The following survey data series were available:

Surveys used in assessment

Fleet code	Name	Place	Season	Age	Years
Fleet 15*	Joint bottom trawl survey	Barents Sea	Feb-Mar	3–12+	1981–2013, 2014-2024
Fleet 16	Joint acoustic survey	Barents Sea+Lofoten	Feb-Mar	3–12+	1985–2024
Fleet 18	Russian bottom trawl surv.	Barents Sea	Oct-Dec	3–12+	1982–2017
Fleet 007	Ecosystem surv.	Barents Sea	Aug-Sep	3–12+	2004–2023**

*Survey indices for Fleet 15 were divided by two series (before and after 2014) in model tuning as decided at WKBarFar 2021.

**2014, 2018 and 2022 data not used in the assessment

The tuning fleet file is shown in Table 3.13. Note that the joint acoustic survey (sum of Barents Sea and Lofoten acoustic survey indices) is given in Table A13.

Survey indices for Fleet 15 have been multiplied by a factor 100, while survey indices for Fleets 007, 16 and 18 have been multiplied by a factor 10. This is done to keep the dynamics of the surveys even for very low indices, because some models (e.g. XSA) adds 1.0 to the indices before the logarithm is taken.

Weight-at-age (Tables 3.7-3.9, A2, A4, A6, A8, A12, A16).

Catch weights

For 2023, weight-at-age in the catch for areas 1, 2a and 2b was provided by Norway, Russia, Spain and Germany (Table 3.7). For ages up to and including 11, observations are used. Following the WKBarFar 2021 decision, weight at age in catch for the years 1983-present for ages 12-15+ are calculated by a cohort-based von Bertalanffy approach used to replace previous fixed values.

Stock weights

For ages 1—11 stock weights-at-age at the start of year y (W_a,y ) for 1983—2024 are calculated combining, when available, weight at age from the Winter, Lofoten, Russian autumn and ecosystem surveys. The details are given in the Stock Annex. For ages 12-15+ a similar approach as for weight at age in the catch was used.

Natural mortality including cannibalism (Table 3.12, Table 3.17)

A natural mortality (M) of 0.2 + cannibalism was used. Cannibalism is assumed to only affect natural mortality of ages 3-6.

2023 data are available and 2022 data have been updated.

The method used for calculation of the prey consumption by cod described by Bogstad and Mehl (1997) is used to calculate the consumption of cod by cod for use in cod stock assessment. The consumption is calculated based on cod stomach content data taken from the joint PINRO-IMR stomach content database (methods described in Mehl and Yaragina 1992). On average about 9000 cod stomachs from the Barents Sea have been analysed annually in the period 1984—2023.

These data are used to calculate the per capita consumption of cod by cod for each half-year (by prey age groups 0—6 and predator age groups 1–11+). It was assumed that the mature part of the cod stock is found outside the Barents Sea for three months during the first half of the year. Thus, consumption by cod in the spawning period was omitted from the calculations.

An iterative procedure was applied to include the per capita consumption data in the SAM run. It is described in detail in Stock Annex.

For the cod assessment data from annual sampling of cod stomachs has been used for estimating cannibalism, since the 1995 assessment. The argument has been raised that the uncertainty in such calculations are so large that they introduce too much noise in the assessment. A rather comprehensive analysis of the usefulness of this was presented in Appendix 1 in the 2004 AFWG report. The conclusion was that it improves the assessment.

The data on cod cannibalism for the historical period (1946—1983) was included in assessment during the benchmark to make the time-series consistent (ICES 2015, WKARCT 2015). These estimates were based on hindcasted values of NEA cod natural mortality at ages 3—5 using PINRO data base on food composition from cod stomach for the historical period (Yaragina et al . 2018).

Maturity-at-age (Tables 3.10-3.11)

Historical (pre–1982) Norwegian and Russian time-series on maturity ogives were reconstructed by the 2001 AFWG meeting (ICES CM 2001/ACFM:19). The Norwegian maturity ogives were constructed using the Gulland method for individual cohorts, based on information on age at first spawning from otoliths. For the time period 1946—1958 only the Norwegian data were available. The Russian proportions mature-at-age, based on visual examinations of gonads, were available from 1959.

Since 1982 Russian and Norwegian survey data have been used (Table 3.10). For the years 1985—2024, Norwegian maturity-at-age ogives have been obtained by combining the Barents Sea winter survey and the Lofoten survey. Russian maturity ogives from the autumn survey as well as from commercial fishery for November-February are available from 1984 until present. The Norwegian maturity ogives tend to give a higher percent mature-at-age compared to the Russian ogives, which is consistent with the generally higher growth rates observed in cod sampled by the Norwegian surveys. The percent mature-at-age for the Russian and Norwegian surveys have been arithmetically averaged for all years, except 1982—1983 when only Norwegian observations were used and 1984 when only Russian observations were used.

Russian data for the autumn survey for 2018 and later years were not available as the survey was not conducted. In WD15, 2019, updated correction factors to allow for this when calculating the combined maturity-at-age in 2019 were calculated, based on historical differences between Norwegian and Russian data. These correction factors were then applied to the Norwegian data for 2020-2024.

The approach used for calculating maturity at age is the same as previously used and consistent with the approach used to estimate the weight-at-age in the stock, except that no data from the BESS survey are used. However, since survey data, both abundance indices and proportion mature, have been revised, the entire time series of ogives back to 1994 was revised at the benchmark. The proportions of mature cod for age 13–15 are set to 1 for the period 1984–present.

Maturity-at-age for cod has been variable the last years, particularly for ages 6–9. According to the combined data, maturity at age increased from 2023 to 2024 for age groups 6 and 9 and decreased for ages 7 and 8 (Table 3.11).

Assessment using SAM

SAM settings (Table 3.14)

The SAM model settings optimised by WKBarFar are shown in Table 3.14.

SAM diagnostics (Figure 3.2 a-e)

Residuals for the SAM run are shown in Figure 3.2a, while model retrospective plots of F, SSB and recruitment are shown in Figure 3.2b. Historical retrospective pattern for final SAM run are shown in Figure 3.2c. Figure 3.2d compares observed and modelled catches in tonnes and Figure 3.2e shows the catchability by survey and age group.

The retrospective pattern is generally good (Figure 3.2b), with absolute values of Mohn’s rho < 13% for SSB, R and F.

Results of assessment (Tables 3.15-3.18, Figure 3.1)

Summaries of landings, fishing mortality, stock biomass, spawning stock biomass and recruitment since 1946 are given in Table 3.18 and Figure 3.1.

The fishing mortalities and population numbers are given in Tables 3.15 and 3.16.

The estimated F_5-10 in 2023 is 0.589, which is above F_pa and within the F_msy range (Table 3.18). Fishing mortality has been increasing steadily in recent years, but now seems to have levelled off. The spawning stock biomass in 2024 is estimated to be 552 kt (Table 3.20), which is the lowest since 2002, and much lower than the peak in 2013 (2,211 kt). When comparing farther back in time, one should bear in mind that in the early part of the time-series (before the 1980s) the fraction at age of mature fish was considerably lower.

Total stock biomass in 2024 is estimated to 1,289 kt, which is somewhat below the long-term mean and well below the highest level observed after 1955 (3,695 kt in 2013).

It is noted that the exploitation pattern is still dome-shaped with a marked decrease in selectivity above age 12, although the dome-shape is not as strong as in assessments made before the 2021 benchmark.

M values (M = 0.2+cannibalism mortality) are given in Table 3.17. For ages 3—5 the M matrix in 1946—1983 also includes cannibalism mortality since the benchmark meeting in 2015 (WKARCT 2015).

Reference points and harvest control rules

The current reference points for Northeast Arctic cod were estimated by SGBRP (ICES CM 2003/ACFM:11) and adopted by ACFM at the May 2003 meeting.

At the 46th session of JNRFC a new version of the management rule was adopted (see section 3.5.3) . The TAC advice for 2025 is based on the agreed harvest control rule.

Biomass reference points

The values adopted by ACFM in 2003 are B_lim = 220 000 t, B_pa = 460 000 t. (ICES CM 2003/ACFM:11).

Fishing mortality reference points

The values adopted by ACFM in 2003 are F_lim = 0.74 and F_pa = 0.40 (ICES CM 2003/ACFM:11). The F_msy for NEA cod was estimated by WKBarFar 2021 to be in the range 0.40 - 0.60.

Harvest control rule

The history of how the harvest control rule has developed is given in the 2017 AFWG report. JNRFC in 2015 asked ICES to explore the consequences of 10 different harvest control rules. This was done by WKNEAMP (ICES 2015, 2016). JNRFC in 2016 adopted one of the rules explored by WKNEAMP (Rule 6 in that report).

The current rule reads as follows:

The TAC is calculated as the average catch predicted for the coming 3 years using the target level of exploitation (F_tr ).

The target level of exploitation is calculated according to the spawning stock biomass (SSB) in the first year of the forecast as follows:

- if SSB < B_pa, then F_tr = SSB / B_pa × F_msy ;

- if B_pa ≤ SSB ≤ 2×B_pa, then F_tr = F_msy ;

- if 2×B_pa < SSB < 3×B_pa, then F_tr = F_msy × (1 + 0.5 × (SSB - 2×B_pa) / B_pa );

- if SSB ≥ 3×B_pa, then F_tr = 1.5 × F_msy ;

where F_msy=0.40 and B_pa =460 000 tonnes.

If the spawning stock biomass in the present year, the previous year and each of the three years of prediction is above B_pa, the TAC should not be changed by more than +/- 20% compared with the previous year’s TAC. In this case, F_tr should however not be below 0.30.

Prediction

Prediction input (Tables 3.19a)

The input data to the short-term prediction with management option table (2024—2027) are given in Table 3.19a. For 2024 stock weights and maturity were calculated from surveys as described in Sections 3.3.2 and 3.3.4.

Catch weights in 2024 onwards and stock weights in 2025 and onwards for age 3–11 are predicted by the method described by Brander (2002), where the latest observation of weights by cohort are used together with average annual increments to predict the weight of the cohort the following year. The method is given by the equation

W(a+1,y+1)=W(a,y) + Incr(a), where Incr(a) is a “medium term” average of Incr(a,y)= W(a+1,y+1)-W(a,y)

This method was introduced in the cod prediction in the 2003 working group. Since the 2005 working group an average of the 3 most recent values of annual increments have been used for predicting stock weights. For catch weights the last 5-year period for averaging the increments is used (changed from 10-year period at the 2021 benchmark).

The maturity ogive for the years 2025—2027 was predicted by using the 2022-2024 average. The fishing pattern in 2024 and later years was set equal to the previous 3 years. The stock annex prescribes average over 5 years, but as there has been a clear shift in the fishing pattern in recent years towards exploiting younger fish, a 3-year average was considered to be more appropriate. A 3-year average was also used in last year’s assessment.

The stock number-at-age in 2024 was taken from the final SAM run (Table 3.16) for ages 4 and older. The recruitment at age 3 in the years 2024—2027 was estimated as described in section 3.7.2. Figure 3.3 shows the development in natural mortality due to cannibalism for cod (prey) age groups 1-3 together with the abundance of capelin in the period 1984—2023. There was no clear trend in natural mortality, but the average M values for the last 3 years are used to predict natural mortality of age groups 3—6 for years 2024—2027 (based on benchmark decision, WKARCT 2015 and unchanged at WKBaRFar 2021).

The assessment shows an increasing F from 2012 to 2023. In accordance with the benchmark decision (WKARCT 2015, not reviewed at WKBarFar 2021) and with support from AFWG-2019 WD 11 (Kovalev and Chetyrkin, 2019), the last year’s assessment F in terminal year 2023 (status quo) is used for F in the intermediate year (2024). Table 3.19 shows input data to the predictions. The results of prediction show that the catch in 2024 predicted using F_sq is close to the agreed TAC.

Recruitment prediction (Table 3.19b-c)

At the 2008 AFWG meeting it was decided to use a hybrid model, which is a weighted arithmetic mean of different recruitment models. This model has not performed well in recent years (as shown e.g. in Fig. 3.2c for the prediction of age 3 abundance in the assessment (intermediate) year. Also, the 2023 JRN-AFWG concluded a review of recruitment models was needed. Additionally, some of the oceanographic time series used in the hybrid model are no longer updated. Thus, a thorough analysis of existing recruitment models and five proposed new models, as well as using recent averages of recruitment values was carried out (Kovalev and Chetyrkin, WD6).

First, an analysis was carried out based on the results of the 2023 assessment, and models were evaluated based on how well they performed over the period 2010-2022. For the models which performed best, the analysis was repeated based on the 2024 assessment and their performance for the period 2014-2023. The input data for the RCT3 model, which is one of those considered in this final analysis, is given in Table 3.19b and the results in Table 3.19c. A summary of the results of the models considered for use in the prediction is given in Table 3.19d. Based on the model performance, the RCT3 model was chosen for predicting 1-3 years ahead (i. e. the recruitment at age 3 in 2024, 2025 and 2026), and an average of the recent 4 years was chosen to predict 4 years ahead (i.e. the recruitment at age 3 for 2027 being calculated as the 2021-2024 average). This gave recruitment values of 587 million for 2024, 450 million for 2025, 375 million for 2026 and 340 million for 2027. For the age 3 recruitment in 2024, the results of running RCT3 with/without the ecosystem survey and SAM were all very similar.

It is suggested to rerun an analysis of various recruitment models each year.

Issues to be considered for the future:

Including the ecosystem survey in the RCT3 analysis.

Evaluate the performance of the SAM model for the 1-year-ahead prediction. The Mohn’s rho for SAM is currently quite good (12% for the last 5 years), but the retrospective performance of SAM has not been compared to the models proposed in WD6.

Prediction results (Tables 3.20-3.21)

The catch corresponding to F_sq in 2024 is 477 185 tonnes (Table 3.20), which is close to the agreed TAC of 453 427 tonnes. The resulting SSB in 2025 is 451 kt, which is 18 % lower than the SSB in 2024. Table 3.20 shows the short-term consequences over a range of F-values in 2025. The detailed outputs corresponding to F_sq in 2024 and the F corresponding to the HCR and F_pa in 2025 is given in Table 3.21. Summarised results are shown in the text table below.

Since SSB in 2025 is below B_pa =460 000 t, F = 0.40*SSB(2025)/B_pa =0.3918 is used in the 3-year prediction, giving catches of 287 330, 309 101 and 338 329 tonnes in 2025, 2026 and 2027, respectively. The average of this is 311 587 tonnes. As SSB is below B_pa in 2025, the 20% limit on annual change in TAC does not apply.

 

Cod in ICES subareas 1 and 2. Annual catch options. All weights are in tonnes.

Basis	Total catch (2025)	F (2025)	SSB(2026)	% SSB change *	% TAC change **	% Advice change ***
Management plan^	311 587	0.43	410 740	-9	-31	-31
Other options
F MSY ****	292 245	0.40	425 617	-6	-36	-36
F = 0	0	0	664 770	48	-100	-100
F = F 2023	395 821	0.589	347 651	-23	-13	-13
F pa	292 245	0.40	425 617	-6	-36	-36
F lim	466 835	0.74	296 859	-34	3	3

* SSB 2026 relative to SSB 2025.

** Advice for 2025 relative to TAC for 2024 (453 427 tonnes).

*** Advice for 2025 relative to advice for 2024.

**** F = 0.40 corresponds to the lower bound of the F _MSY range (0.40-0.60), F not reduced for SSB being below B _pa .

^ Since SSB in 2025 is below B _pa =460 000 t, F = 0.40*SSB(2025)/B _pa =0.3918 is used in the 3-year prediction, giving catches of 287 330, 309 101 and 338 329 tonnes in 2025, 2026 and 2027, respectively. The average of this is 311 587 tonnes. As SSB is below B _pa in 2025, the 20% limit on annual change in TAC does not apply.

The advice for 2025 is 31% lower than the advice for 2024. The downward adjustment of stock size since last year’s assessment and the declining stock trend both contribute to the reduction in advice. In addition, the 20% TAC change constraint was applied in the advice for 2024, resulting in higher advice than that resulting from the F_target. The stability constraint does not apply for 2025 because SSB has dropped below B_pa, and therefore advice for 2025 corresponds to F_target , and is considerably lower than the advice for 2024.

This catch forecast covers all catches. It is then implied that all types of catches are to be counted against this TAC. It also means that if any overfishing is expected to take place, the above calculated TAC should be reduced by the expected amount of overfishing.

Medium-term predictions (Figure 3.8)

The inputs for medium-term prediction are the same as for short-term ones. For years after terminal year in short-term prediction the same value as for this year are used for all parameters except target fishing mortality which is according to the HCR.

The stock size has been decreasing in recent years due to low incoming recruitment, downward adjustment of the stock size (due to model modifications at the benchmark in 2021) and increasing fishing mortality. The increase in fishing mortality is partly due to the 20% limit on annual reduction of TAC. Recruitment in coming years (2022-2025 year classes) is also estimated to be below average. The reason for low recent recruitment is not known. Previous periods of low recruitment have mainly occurred when temperature is below average, which is not the case at present.

The predictions for 2025 and following years indicate that catches and total stock biomass will increase slightly after 2025 while SSB will reach its lowest level in 2027 and then increase slightly. (Figure 3.8).

Comparison to 2023 assessment

The text table below compare this year’s estimates with the 2023 JRN-AFWG estimates for numbers at age (millions), total biomass, spawning biomass (thousand tonnes) in 2023, as well as reference F for the year 2022.

In the current assessment, the number of age 7, 8 and 10 in 2023 was adjusted upwards compared to the 2023 JRN-AFWG assessment, while the other age groups was adjusted downwards. The largest downwards adjustments were seen for age 3 (recruitment) and ages 12 and older.

Comparison to prediction

The change in the advice is large compared to last year. The advice for 2025 is 311 587 tonnes, while the advice for 2024 given by JRN-AFWG was 453 427 tonnes. The 2024 assessment adjusted the stock size in recent years slightly downwards. The main tendency for stock decrease in recent years was similar to last year’s assessment.

Concerns with the assessment and management advice

The WG realizes that imprecise input data, in particular the catch-at-age matrix, and discontinuation of some surveys as well as incomplete spatial coverage and reduced synopticity in surveys could be a main obstacle to producing precise stock assessments, regardless of which model is used.

In recent years stock size has been overestimated (particularly before the 2021 benchmark) and the stock is declining due to recruitment being below average. In this situation, the 20% limit on annual TAC change has led to fishing pressure well above the target in the HCR for several years, and this may pose a danger to the stock. The SSB has now fallen below B_pa , and to continue to apply the stability constraint would no longer be precautionary. The allowed 10% quota transfer between years compounds this issue in such a situation and this allowance should be reduced at low stock sizes.

Additional assessment methods

All models use the same tuning data.

TISVPA (Tables 3.22-3.24, Figure 3.6a-c)

This year the TISVPA model was applied to NEA cod with the same settings as last year and using the same data as SAM except that natural mortality values from cannibalism were taken from the SAM runs. During WG the results of exploratory runs using the TISVPA model (Tables 3.22-3.24) were discussed. The residuals of the model approximation of catch-at-age and “fleets” data are presented in Figure 3.6a. Likelihood profiles for different data source are presented in Figure 3.6b. Retrospective run results are shown in Figure 3.6c.

Model comparisons (Figures 3.2a, 3.6c, 3.7)

Figure 3.7 compares the results of SAM and TISVPA, showing F, SSB, TSB and recruitment. Trends are similar in all models, but TISVPA gives higher F in 2023 and lower biomass in 2024 than SAM. However, recruitment in 2023 is higher in TISVPA than in SAM. Both models show a reasonable retrospective pattern (Figures 3.2a, 3.6c).

New and revised data sources

This section describes some data sources, which could be revised or included in the assessment in the future.

Consistency between NEA cod and coastal cod catch data (Table 3.2)

Consistency between the catch data used for NEA cod and coastal cod should be ensured. The revised catch figures used in the coastal cod assessment do not correspond to the difference between the total cod catch and the catch used in the NEA cod assessment (Table 3.2). These discrepancies will be adjusted when the NEA cod catch series are revised (section 3.2.2).

Discard and bycatch data

Work on updating discard and bycatch data series is ongoing. Revised bycatch estimates in numbers for the period 2005-2023 are shown in ICES AFWG-2024 Fig. 0.1. At WKARCT in 2015 it was, however, decided not to include those data in the catch-at-age matrix.

The bycatch mainly consists of age 1 and 2 fish, but the bycatch is generally small compared to other reported sources of mortality: catches, discards and the number of cod eaten by cod. From 1992 onwards, bycatches of age 3 and older fish are negligible, because use of sorting grids was made mandatory. However, in 1985, bycatches of age 5 and 6 cod were about one third of the reported catches for those age groups. The year class for which the bycatches were highest, was the 1983 year class (total bycatch of age 2 and older fish of about 60 million, compared to a stock estimate of about 1300 million at age 3.

References

Bogstad, B. 2023. Jan Mayen—a new spawning and fishing area for Atlantic cod Gadus morhua . Polar Biology 46: 103-109. https://doi.org/10.1007/s00300-022-03102-8

Bogstad, B. and Mehl, S. 1997. Interactions Between Cod ( Gadus morhua ) and Its Prey Species in the Barents Sea. Forage Fishes in Marine Ecosystems. Proceedings of the International Symposium on the Role of Forage Fishes in Marine Ecosystems. Alaska Sea Grant College Program Report No. 97-01: 591-615. University of Alaska Fairbanks.

Brander, K. 2002. Predicting weight at age. Internal ICES note to assessment working groups. 2003. Software implementation of process models. Working Document No. 2 to the Arctic Fisheries Working Group, San Sebastian, Spain, 23 April- 2 May 2003.

Fall, J., Wenneck, T. de Lange, Bogstad, B., Eidset, E., Fuglebakk, E., Godiksen, J. A., Høines, Å., Johannesen, E., Midtun, H. Aa., Moksness, I., Skage, M. L., Staby, A., Tranang, C. Aa., Windsland, K., Russkikh, A. A., and Kharlin, S. 2024. Fish investigations in the Barents Sea winter 2023. IMR-PINRO Joint Report Series 1-2024, 144 pp.

Golovanov S.E., Sokolov A.M., and Yaragina, N.A. 2007. Revised indices of the Northeast Arctic cod abundance according to the 1982-2006 data from Russian trawl-acoustic survey (TAS). Working Document #3 for AFWG 2007.

ICES 2001. Report of the Arctic Fisheries Working Group. Bergen, Norway, 24 April – 3 May 2001. ICES CM 2001/ACFM:19. 380 pp.

ICES 2003. Study Group on Biological Reference Points for Northeast Arctic Cod. Svanhovd, Norway 13-17 January 2003. ICES CM 2003/ACFM:11.

ICES. 2015. Report of the Benchmark Workshop on Arctic Stocks (WKARCT), 26-30 January 2015, ICES Headquarters, Denmark. ICES CM 2015\ACOM:31. 126 pp.

ICES 2015. Report of the first Workshop on Management Plan Evaluation on Northeast Arctic cod and haddock and Barents Sea capelin ( WKNEAMP-1) , Dates , . ICES CM 2015/ACOM:60, 27 pp.

ICES 2016. Report of the second Workshop on Management Plan Evaluation on Northeast Arctic cod and haddock and Barents Sea capelin (WKNEAMP-2) , 25-28 January 2016, Kirkenes, Norway. ICES CM 2016/ACOM:47, 76 pp.

ICES. 2021. Benchmark Workshop for Barents Sea and Faroese Stocks (WKBARFAR 2021). ICES Scientific Reports. 3:21. 205 pp. https://doi.org/10.17895/ices.pub.7920

ICES. 2021. Arctic Fisheries Working Group (AFWG). ICES Scientific Reports 3:58. 817 pp. https://doi.org/10.17895/ices.pub.8196

ICES. 2024. Arctic Fisheries Working Group (AFWG). ICES Scientific Reports. 6:xx, xx pp.

Jakobsen, T., Korsbrekke, K., Mehl, S., and Nakken, O. 1997. Norwegian combined acoustic and bottom trawl surveys for demersal fish in the Barents Sea during winter. ICES CM 1997/Y:17.

Korsbrekke, K. 1997. Norwegian acoustic survey of Northeast Arctic cod on the spawning grounds off Lofoten. ICES C.M 1997/Y:18.

Korsbrekke, K. 2024. Acoustic survey targeting spawning NEA cod north of Vesterålsbankene 2023 (In Norwegian). https://www.hi.no/hi/nettrapporter/toktrapport-2024-1.

Kovalev, Y., Prozorkevich, D., and Chetyrkin, A. 2017. Estimation of Ecosystem survey 2016 index in situation of not full area coverage. Working Document No. 12 to the Arctic Fisheries Working Group, Copenhagen, 18-25 April 2017.

Kovalev, Y., and Chetyrkin, A. 2019. What does NEA cod want for prediction - Fsq or TAC constrain? Working Document No. 11 to the Arctic Fisheries Working Group. ICES. 2019. Arctic Fisheries Working Group (AFWG). ICES Scientific Reports. 1:30. 934 pp.

Kovalev, Y., and Chetyrkin, A. 2024. Analysis of the NEA Cod recruitment prediction quality. WD6, AFWG 2024.

Mehl, S., and Yaragina, N. A. 1992. Methods and results in the joint PINRO-IMR stomach sampling program. In: Bogstad, B. and Tjelmeland, S. (eds.), Interrelations between fish populations in the Barents Sea. Proceedings of the fifth PINRO-IMR Symposium. Murmansk, 12–16 August 1991. Institute of Marine Research, Bergen, Norway, 5–15.

Nedreaas, K. H. and Otterå, H. 2024. Effort and catch-per-unit-effort (CPUE) for Norwegian trawlers fishing cod north of 67˚N in 2011-2023. WD 02, 2024.

Sokolov A., Russkikh A., Kharlin S., Kovalev Yu. A., and Yaragina N.A. 2018. Results of the Russian trawl-acoustic survey on cod and haddock in the Barents Sea and adjacent waters in October-December 2017. Working Document no. 11. ICES Arctic Fisheries Working Group, ICES CM 2018/ACOM:06.

Thygesen, U. H., Albertsen, C. M., Berg, C. W., Kristensen, K., and Nielsen, A. 2017. Validation of ecological state space models using the Laplace approximation Environmental and Ecological Statistics 24 (2): 317-339.

van der Meeren, G. and Prozorkevitch, D. (eds.) 2023. Survey report from the joint Norwegian/Russian Ecosystem Survey in the Barents Sea and the adjacent waters August- December 2022. IMR/PINRO-report series 10/2023.

WD 15. 2019. Updated mean ratios between the combined and Norwegian data on weight at age and maturity at age in Northeast Arctic cod. Working document no 15, AFWG 2019.

Yaragina N.A. Nedreaas K.H., Koloskova V., Mjanger H., Senneset H., Zuykova N. and Ǻgotnes P. 2009. Fifteen years of annual Norwegian-Russian cod comparative age readings. Marine Biology Research 5(1): 54-65.

Yaragina N. A., Kovalev Yu. A., and Chetyrkin A. 2018. Extrapolating predation mortalities back in time: an example from North-east Arctic cod cannibalism, Marine Biology Research: https://doi.org/10.1080/17451000.2017.1396342

Zuykova N.V., Koloskova V.P., Mjanger H., Nedreaas K.H., Senneset H., Yaragina N.A., Ågotnes P., and Aanes S. 2009. Age determination of Northeast Arctic cod otoliths through 50 years of history. Marine Biology Research 5(1): 66-74.

Zuykova N.V., et al. 2020. Report on the meeting between Norwegian and Russian age reading specialists at Polar Branch of FSBSI “VNIRO” Murmansk, 20-24 May 2019. Working document no 8 in: ICES. 2020c.Arctic Fisheries Working Group (AFWG). ICES Scientific Reports. 2:52. 577 pp. http://doi.org/10.17895/ices.pub.6050 .

Table 3.1. Northeast Arctic COD. Total catch (t) by fishing areas and unreported catch.

Year	Subarea 1	Division 2.a	Division 2.b	Unreported catches	Total catch
1961	409 694	153 019	220 508		783 221
1962	548 621	139 848	220 797		909 266
1963	547 469	117 100	111 768		776 337
1964	206 883	104 698	126 114		437 695
1965	241 489	100 011	103 430		444 983
1966	292 253	134 805	56 653		483 711
1967	322 798	128 747	121 060		572 605
1968	642 452	162 472	269 254		1 074 084
1969	679 373	255 599	262 254		1 197 226
1970	603 855	243 835	85 556		933 246
1971	312 505	319 623	56 920		689 048
1972	197 015	335 257	32 982		565 254
1973	492 716	211 762	88 207		792 685
1974	723 489	124 214	254 730		1 102 433
1975	561 701	120 276	147 400		829 377
1976	526 685	237 245	103 533		867 463
1977	538 231	257 073	109 997		905 301
1978	418 265	263 157	17 293		698 715
1979	195 166	235 449	9 923		440 538
1980	168 671	199 313	12 450		380 434
1981	137 033	245 167	16 837		399 037
1982	96 576	236 125	31 029		363 730
1983	64 803	200 279	24 910		289 992
1984	54 317	197 573	25 761		277 651
1985	112 605	173 559	21 756		307 920
1986	157 631	202 688	69 794		430 113
1987	146 106	245 387	131 578		523 071
1988	166 649	209 930	58 360		434 939
1989	164 512	149 360	18 609		332 481
1990	62 272	99 465	25 263	25 000	212 000
1991	70 970	156 966	41 222	50 000	319 158
1992	124 219	172 532	86 483	130 000	513 234
1993	195 771	269 383	66 457	50 000	581 611
1994	353 425	306 417	86 244	25 000	771 086
1995	251 448	317 585	170 966		739 999
1996	278 364	297 237	156 627		732 228
1997	273 376	326 689	162 338		762 403
1998	250 815	257 398	84 411		592 624
1999	159 021	216 898	108 991		484 910
2000	137 197	204 167	73 506		414 870
2001	142 628	185 890	97 953		426 471
2002	184 789	189 013	71 242	90 000	535 045
2003	163 109	222 052	51 829	115 000	551 990
2004	177 888	219 261	92 296	117 000	606 445
2005	159 573	194 644	121 059	166 000	641 276
2006	159 851	204 603	104 743	67 100	537 642
2007	152 522	195 383	97 891	41 087	486 883
2008	144 905	203 244	101 022	15 000	464 171
2009	161 602	207 205	154 623		523 431
2010	183 988	271 337	154 657		609 983
2011	198 333	328 598	192 898		719 829
2012	247 938	331087	148 638		727 663
2013	360 673	421678	183 858		966 209
2014	320 347	468 934	197 168		986 449
2015	272405	375328	216651		864384
2016	321347	351468	176607		849422
2017	309902	360477	197898		868276
2018	249397	321548	207681		778627
2019	234985	318539	139084		692609
2020	234029	298707	160166		692903
2021	281198	268942	217144		767284
2022	236173	256394	226644		719211
2023 1	260853	202358	119341		582552

Data provided by Working Group members

1 Provisional figure

Table 3.1a Advice, quota and official Norwegian catches (tonnes) in the fishery zone around Jan Mayen (part of ICES area 2a).

Year	Advice		TAC	CATCH
2018	-		-	441
2019	-		800	628
2020	-		800	522
2021	600		600	146
2022	347		347	276
2023	315		315	181
2024	0		0

Table 3.2. Catches of Norwegian Coastal Cod in subareas 1 and 2, 1000 tonnes, which are removed from the NEA cod assessment.

Year	Norwegian catches of cod removed from the NEAC cod -assessment
v1960–70	38.6
1971–79	no data
1980	40
1981	49
1982	42
1983	38
1984	33
1985	28
1986	26
1987	31
1988	22
1989	17
1990	24
1991	25
1992	35
1993	44
1994	48
1995	39
1996	32
1997	36
1998	29
1999	23
2000	19
2001	14
2002	20
2003	19
2004	14
2005	13
2006	15
2007	13
2008	13
2009	15
2010	13.5
2011	18.8
2012	35.5
2013	30.1
2014	33.6
2015	35.8
2016	54.9
2017	51.0
2018	36.3
2019	40.1
2020	45.3
2021	42.0
2022	40.3
2023	48.1

Table 3.3. Northeast Arctic COD. Total nominal catch ('000 t) by trawl and other gear for each

		Subarea 1		Division 2.a		Division 2.b
Year		Trawl	Others	Trawl	Others	Trawl	Others
1967		238	84.8	38.7	90	121.1	-
1968		588.1	54.4	44.2	118.3	269.2	-
1969		633.5	45.9	119.7	135.9	262.3	-
1970		524.5	79.4	90.5	153.3	85.6	-
1971		253.1	59.4	74.5	245.1	56.9	-
1972		158.1	38.9	49.9	285.4	33	-
1973		459	33.7	39.4	172.4	88.2	-
1974		677	46.5	41	83.2	254.7	-
1975		526.3	35.4	33.7	86.6	147.4	-
1976		466.5	60.2	112.3	124.9	103.5	-
1977		471.5	66.7	100.9	156.2	110	-
1978		360.4	57.9	117	146.2	17.3	-
1979		161.5	33.7	114.9	120.5	8.1	-
1980		133.3	35.4	83.7	115.6	12.5	-
1981		91.5	45.1	77.2	167.9	17.2	-
1982		44.8	51.8	65.1	171	21	-
1983		36.6	28.2	56.6	143.7	24.9	-
1984		24.5	29.8	46.9	150.7	25.6	-
1985		72.4	40.2	60.7	112.8	21.5	-
1986		109.5	48.1	116.3	86.4	69.8	-
1987		126.3	19.8	167.9	77.5	129.9	1.7
1988		149.1	17.6	122	88	58.2	0.2
1989		144.4	19.5	68.9	81.2	19.1	0.1
1990		51.4	10.9	47.4	52.1	24.5	0.8
1991		58.9	12.1	73	84	40	1.2
1992		103.7	20.5	79.7	92.8	85.6	0.9
1993		165.1	30.7	155.5	113.9	66.3	0.2
1994		312.1	41.3	165.8	140.6	84.3	1.9
1995		218.1	33.3	174.3	143.3	160.3	10.7
1996		248.9	32.7	137.1	159	147.7	6.8
1997		235.6	37.7	150.5	176.2	154.7	7.6
1998		219.8	31	127	130.4	82.7	1.7
1999		133.3	25.7	101.9	115	107.2	1.8
2000		111.7	25.5	105.4	98.8	72.2	1.3
2001		119.1	23.5	83.1	102.8	95.4	2.5
2002		147.4	37.4	83.4	105.6	69.9	1.3
2003		146	17.1	107.8	114.2	50.1	1.8
2004		154.4	23.5	100.3	118.9	88.8	3.5
2005		132.4	27.2	87	107.7	115.4	5.6
2006		141.8	18.1	91.2	113.4	100.1	4.6
2007		129.6	22.9	84.8	110.6	91.6	6.3
2008		123.8	21.1	94.8	108.4	95.3	5.7
2009		130.1	31.5	102	105.2	142.1	11.4
2010		151.1	32.9	130	141.4	149.2	5.4
2011		158.1	38.4	163.5	167	181	11.9
2012		212.1	35.9	172.7	158.4	133.8	14.9
2013		308.5	52.2	216.9	204.7	159.7	24.1
2014		268.8	51.5	246.8	222.1	177.9	19.3
2015		224.3	48.1	192.2	183.2	197.7	19.0
2016		285.5	35.8	181.7	169.8	156.3	20.3
2017		265.4	44.5	189.5	171.0	180.0	17.9
2018		204.7	44.7	156.7	164.9	192.0	15.6
2019		199.4	35.6	177.8	140.7	128.9	10.1
2020		199.4	34.6	157.2	141.5	153.5	6.7
2021		220.8	60.4	120.2	148.7	202.1	15.1
2022		192.9	43.3	108.9	147.4	212.9	13.7
2023	1	218.5	42.4	90.9	111.5	112.6	6.8

Data provided by Working Group members

1 Provisional figures

Table 3.4. Northeast Arctic COD. Nominal catch(t) by countries. (Subarea 1 and divisions 2a and 2b combined, data provided by Working group members

Year	Faroe Islands	France	German Dem.Rep.	Fed.Rep.Germany	Greenland	Iceland	Norway	Poland	United Kingdom		Russia**	Spain	Others	Total
1961	3934	13755	3921	8129			268377	-		158113	325780		1212	783221
1962	3109	20482	1532	6503			225615	-		175020	476760		245	909266
1963	-	18318	129	4223			205056	108		129779	417964		-	775577
1964	-	8634	297	3202			149878	-		94549	180550		585	437695
1965	-	526	91	3670			197085	-		89962	152780		816	444930
1966	-	2967	228	4284			203792	-		103012	169300		121	483704
1967	-	664	45	3632			218910	-		87008	262340		6	572605
1968	-	-	225	1073			255611	-		140387	676758		-	1074084
1969	29374	-	5907	5543			305241	7856		231066	612215		133	1197226
1970	26265	44245	12413	9451			377606	5153		181481	276632		-	933246
1971	5877	34772	4998	9726			407044	1512		80102	144802		215	689048
1972	1393	8915	1300	3405			394181	892		58382	96653		166	565287
1973	1916	17028	4684	16751			285184	843		78808	387196		276	792686
1974	5717	46028	4860	78507			287276	9898		90894	540801		38453	1102434
1975	11309	28734	9981	30037			277099	7435		101843	343580		19368	829377
1976	11511	20941	8946	24369			344502	6986		89061	343057		18090	867463
1977	9167	15414	3463	12763			388982	1084		86781	369876		17771	905301
1978	9092	9394	3029	5434			363088	566		35449	267138		5525	698715
1979	6320	3046	547	2513			294821	15		17991	105846		9439	440538
1980	9981	1705	233	1921			232242	3		10366	115194		8789	380434
1981	12825	3106	298	2228			277818			5262	83000	14500	-	399037
1982	11998	761	302	1717			287525			6601	40311	14515	-	363730
1983	11106	126	473	1243			234000			5840	22975	14229	-	289992
1984	10674	11	686	1010			230743			3663	22256	8608	-	277651
1985	13418	23	1019	4395			211065			3335	62489	7846	4330	307920
1986	18667	591	1543	10092			232096			7581	150541	5497	3505	430113
1987	15036	1	986	7035			268004			10957	202314	16223	2515	523071
1988	15329	2551	605	2803			223412			8107	169365	10905	1862	434939
1989	15625	3231	326	3291			158684			7056	134593	7802	1273	332481
1990	9584	592	169	1437			88737			3412	74609	7950	510	187000
1991	8981	975		2613			126226			3981	119427***	3677	3278	269158
1992	11663	2		3911	3337		168460			6120	182315	6217	1209	383234
1993	17435	3572		5887	5389	9374	221051			11336	244860	8800	3907	531611
1994	22826	1962		8283	6882	36737	318395			15579	291925	14929	28568	746086
1995	22262	4912		7428	7462	34214	319987			16329	296158	15505	15742	739999
1996	17758	5352		8326	6529	23005	319158			16061	305317	15871	14851	732228
1997	20076	5353		6680	6426	4200	357825			18066	313344	17130	13303	762403
1998	14290	1197		3841	6388	1423	284647			14294	244115	14212	8217	592624
1999	13700	2137		3019	4093	1985	223390			11315	210379	8994	5898	484910
2000	13350	2621		3513	5787	7562	192860			9165	166202	8695	5115	414870
2001	12500	2681		4524	5727	5917	188431			8698	183572	9196	5225	426471
2002	15693	2934		4517	6419	5975	202559			8977	184072	8414	5484	445045
2003	19427	2921		4732	7026	5963	191977			8711	182160	7924	6149	436990
2004	19226	3621		6187	8196	7201	212117			14004	201525	11285	6082	489445
2005	16273	3491		5848	8135	5874	207825			10744	200077	9349	7660	475276
2006	16327	4376		3837	8164	5972	201987			10594	203782	9219	6271	470527
2007	14788	3190		4619	5951	7316	199809			9298	186229	9496	5101	445796
2008	15812	3149		4955	5617	7535	196598			8287	190225	9658	7336	449171
2009	16905	3908		8585	4977	7380	224298			8632	229291	12013	7442	523431
2010	15977	4499		8442	6584	11299	264701			9091	267547	12657	9185	609983
2011	13429	1173		4621	7155	12734	331535			8210	310326	13291	17354^	719829
2012	17523	2841		8500	8520	9536	315739			11166	329943	12814	11081	727663
2013	13833	7858		8010	7885	14734	438734			12536	432314	15042	15263	966209
2014	33298	8149		6225	10864	18205	431846			14762	433479	16378	13243	986449
2015	26568	7480		6427	7055	16120	377983			11778	381778	19905	9880	864384
2016	24084	7946		6336	8607	16031	348949			13583	394107	14640	15139	849422
2017	28637	9554		5977	13638	11925	357419			16731	396180	14414	13802	868276
2018	26152	6605		9768	12743	10708	333539			11533	340364	13143	14071	778627
2019	22270	6371		8470	7553	12294	282120			11214	316813	13939	11565	692609
2020	21679	5796		9725	7391	9734	289472			12113	312683	11403	12908	692903
2021	21767	4459		6190	8246	8933	337931			5426	352064	11080	11188	767284^^
2022	21530	4988		7134	7688	6214	310145			7024	333697	12214	8577	719211^^
2023*	17556	4632		5630	3994	5157	242117			5972	276923	8030	12539	582552^^

* Provisional figures

** USSR prior to 1991.

*** Includes Baltic countries.

^ Includes unspecified EU catches.

^^ In 2022-2024 assessment and advice was carried out by the Joint Russian-Norwegian working group on Arctic Fisheries (JRN-AFWG) which compiled catches for 2021-2023 and gave advice for 2023-2025.

Table 3.5. Barents Sea winter survey. Area covered (‘000 square nautical miles) and areas implied in the method used to adjust for missing coverage in Russian Economic Zone (REZ). “Index ratio by age” means that the index by age (for the area outside REZ) was scaled by the observed ratio between total index and the index outside REZ observed in the years prior to the survey.

Year	Area covered	Additional area implied in adjustment	Adjustment method
1981-92	88.1
1993	137.6
1994	161.1
1995	191.9
1996	166.1
1997	88.4	56.2	Index ratio by age
1998	100.4	51.1	Index ratio by age
1999	118.5
2000	163.2
2001	164.7
2002	157.4
2003	147.4
2004	164.4
2005	179.9
2006	170.1	18.1	Partly covered strata raised to full strata area
2007	123.9	56.7	Index ratio by age
2008	165.2
2009	171.8
2010	160.5
2011	174.3
2012	151.3	16.7	Index ratio by age
2013	203.6
2014	266.8
2015	243.3
2016	228.0
2017	184.4	37.5	Index ratio by age
2018	236.3
2019	241.2
2020	203.2	25.1	Index ratio by age
2021	232.0	10.9	Index ratio by age
2022	232.7
2023	253.3
2024	263.1

 

SAM Wed May 29 15:23:46 2024

Table 3.6. Northeast Arctic cod. Catch numbers-at-age (Thous)

Year_age	3	4	5	6	7	8	9	10	11	12	13	14	+gp
1946	4008	10387	18906	16596	13843	15370	59845	22618	10093	9573	5460	1927	750
1947	710	13192	43890	52017	45501	13075	19718	47678	31392	9348	9330	4622	4103
1948	140	3872	31054	55983	77375	21482	15237	9815	30041	7945	4491	3899	4205
1949	991	6808	35214	100497	83283	29727	13207	5606	8617	13154	3657	1895	2167
1950	1281	10954	29045	45233	62579	30037	19481	9172	6019	4133	6750	1662	1450
1951	24687	77924	64013	46867	37535	33673	23510	10589	4221	1288	1002	3322	611
1952	24099	120704	113203	73827	49389	20562	24367	15651	8327	3565	647	467	1044
1953	47413	107659	112040	55500	22742	16863	10559	10553	5637	1752	468	173	156
1954	11473	155171	146395	100751	40635	10713	11791	8557	6751	2370	896	268	123
1955	3902	37652	201834	161336	84031	30451	13713	9481	4140	2406	867	355	128
1956	10614	24172	129803	250472	86784	51091	14987	7465	3952	1655	1292	448	166
1957	17321	33931	27182	70702	87033	39213	17747	6219	3232	1220	347	299	173
1958	31219	133576	71051	40737	38380	35786	13338	10475	3289	1070	252	40	141
1959	32308	77942	148285	53480	18498	17735	23118	9483	3748	997	254	161	98
1960	37882	97865	64222	67425	23117	8429	7240	11675	4504	1843	354	102	226
1961	45478	132655	123458	51167	38740	17376	5791	6778	5560	1682	910	280	108
1962	42416	170566	167241	89460	28297	21996	7956	2728	2603	1647	392	280	103
1963	13196	106984	205549	95498	35518	16221	11894	3884	1021	1025	498	129	157
1964	5298	45912	97950	58575	19642	9162	6196	3553	783	172	387	264	131
1965	15725	25999	78299	68511	25444	8438	3569	1467	1161	131	61	79	197
1966	55937	55644	34676	42539	37169	18500	5077	1495	380	403	77	9	70
1967	34467	160048	69235	22061	26295	25139	11323	2329	687	316	225	40	14
1968	3709	174585	267961	107051	26701	16399	11597	3657	657	122	124	70	46
1969	2307	24545	238511	181239	79363	26989	13463	5092	1913	414	121	23	46
1970	7164	10792	25813	137829	96420	31920	8933	3249	1232	260	106	39	35
1971	7754	13739	11831	9527	59290	52003	12093	2434	762	418	149	42	25
1972	35536	45431	26832	12089	7918	34885	22315	4572	1215	353	315	121	40
1973	294262	131493	61000	20569	7248	8328	19130	4499	677	195	81	59	55
1974	91855	437377	203772	47006	12630	4370	2523	5607	2127	322	151	83	62
1975	45282	59798	226646	118567	29522	9353	2617	1555	1928	575	231	15	37
1976	85337	114341	79993	118236	47872	13962	4051	936	558	442	139	26	53
1977	39594	168609	136335	52925	61821	23338	5659	1521	610	271	122	92	54
1978	78822	45400	88495	56823	25407	31821	9408	1227	913	446	748	48	51
1979	8600	77484	43677	31943	16815	8274	10974	1785	427	103	59	38	45
1980	3911	17086	81986	40061	17664	7442	3508	3196	678	79	24	26	8
1981	3407	9466	20803	63433	21788	9933	4267	1311	882	109	37	3	NA
1982	8948	20933	19345	28084	42496	8395	2878	708	271	260	27	5	5
1983	3108	19594	20473	17656	17004	18329	2545	646	229	74	58	20	5
1984	6942	14240	18807	20086	15145	8287	5988	783	232	153	49	12	8
1985	24634	45769	27806	19418	11369	3747	1557	768	137	36	31	32	8
1986	28968	70993	78672	25215	11711	4063	976	726	557	136	28	34	14
1987	13648	137106	98210	61407	13707	3866	910	455	187	227	21	59	20
1988	9828	22774	135347	54379	21015	3304	1236	519	106	69	43	14	5
1989	5085	17313	32165	81756	27854	5501	827	290	41	13	NA	11	16
1990	1911	7551	12999	17827	30007	6810	828	179	59	15	6	5	2
1991	4963	10933	16467	20342	19479	25193	3888	428	48	12	NA	NA	2
1992	21835	36015	27494	23392	18351	13541	18321	2529	264	82	3	9	NA
1993	10094	46182	63578	33623	14866	9449	6571	12593	1749	377	63	22	NA
1994	6531	59444	102548	59766	32504	10019	6163	3671	7528	995	121	19	4
1995	4879	42587	115329	98485	32036	7334	3014	1725	1174	1920	222	41	NA
1996	7655	28782	80711	100509	54590	10545	2023	930	462	230	809	84	NA
1997	12827	36491	69633	83017	65768	28392	4651	1151	373	213	144	238	NA
1998	31887	88874	48972	40493	34513	26354	6583	965	197	69	42	22	53
1999	7501	77714	92816	31139	15778	15851	8828	1837	195	40	34	8	30
2000	4701	33094	93044	47210	12671	6677	4787	1647	321	71	11	NA	14
2001	5044	35019	62139	62456	22794	5266	1773	1163	343	85	6	7	22
2002	2348	31033	76175	67656	42122	11527	1801	529	223	120	21	9	6
2003	7263	20885	64447	71109	36706	14002	2887	492	142	97	21	43	NA
2004	2090	38226	50826	68350	50838	18118	6239	1746	295	127	39	16	8
2005	5815	19768	113144	61665	44777	20553	6285	2348	562	100	21	24	7
2006	8548	47207	33625	78150	31770	15667	7245	1788	737	210	26	45	155
2007	25473	43817	62877	26303	34392	11240	4080	1381	505	285	44	13	35
2008	8459	51704	40656	35072	14037	20676	5503	1794	715	229	42	26	13
2009	4866	38711	83998	46639	20789	8417	8920	1957	872	987	76	21	20
2010	1778	16193	53855	75853	36797	17062	4784	4325	3034	913	189	49	35
2011	1418	8033	32472	70938	73875	21116	11708	5058	3237	600	434	12	0
2012	2695	10462	16646	40372	70014	48315	12326	5214	1926	1124	317	70	24
2013	2903	13659	22752	21020	54231	74451	47124	9143	2963	694	449	89	145
2014	5234	19226	38407	36633	29901	56109	47540	22738	3717	1169	313	210	157
2015	4315	31383	41181	51209	33745	22530	23609	24553	16071	2510	468	134	254
2016	2076	11291	50231	43609	35265	23417	14592	20105	15862	4781	871	249	308
2017	6535	13128	28365	66504	46136	28507	15307	10073	12169	6465	1927	399	285
2018	6120	28569	27128	33816	54328	28323	16208	9722	7132	3740	2295	840	271
2019	4389	21405	48422	29849	26548	39759	17395	8883	4606	2109	715	564	322
2020	3992	22446	37649	52454	31009	20904	23618	11768	6130	1572	591	310	278
2021	2983	17935	54005	59732	59136	22397	14744	13589	4919	1737	678	228	344
2022	5725	23486	53467	68112	47067	30569	11776	6046	3797	1489	575	164	107
2023	11046	15493	30653	37250	38616	28163	16233	5885	1995	984	195	56	94

Table 3.7. Northeast Arctic COD. Weights-at-age (kg) in landings from various countries

Norway
Year				Age
	2		3	4	5		6	7	8		9	10	11		12	13	14		15+
1983	0.41		0.82	1.32	2.05		2.82	3.94	5.53		7.70	9.17	11.46		16.59	16.42	16.96		24.46
1984	1.16		1.47	1.97	2.53		3.13	3.82	4.81		5.95	7.19	7.86		8.46	7.99	9.78		10.64
1985	0.34		0.99	1.43	2.14		3.27	4.68	6.05		7.73	9.86	11.87		14.16	14.17	13.52		15.33
1986	0.30		0.67	1.34	2.04		3.14	4.60	5.78		6.70	7.52	9.74		10.68	12.86	9.59		16.31
1987	0.24		0.48	0.88	1.66		2.72	4.35	6.21		8.78	9.78	12.50		13.75	15.12	10.43		19.95
1988	0.36		0.56	0.83	1.31		2.34	3.84	6.50		8.76	9.97	11.06		14.43	19.02	12.89		10.16
1989	0.53		0.75	0.90	1.17		1.95	3.20	4.88		7.82	9.40	11.52		11.47		19.47		14.68
1990	0.40		0.81	1.22	1.59		2.14	3.29	4.99		7.83	10.54	14.21		17.63	7.97	14.64
1991	0.63		1.37	1.77	2.31		3.01	3.68	4.63		6.06	8.98	12.89		17.00		14.17		16.63
1992	0.41		1.10	1.79	2.45		3.22	4.33	5.27		6.21	8.10	10.51		11.59		15.81		6.52
1993	0.30		0.83	1.70	2.41		3.35	4.27	5.45		6.28	7.10	7.82		10.10	16.03	19.51		17.68
1994	0.30		0.82	1.37	2.23		3.35	4.27	5.56		6.86	7.45	7.98		9.53	12.16	11.45		19.79
1995	0.44		0.78	1.26	1.87		2.80	4.12	5.15		5.96	7.90	8.67		9.20	11.53	17.77		21.11
1996	0.29		0.90	1.15	1.67		2.58	4.08	6.04		6.62	7.96	9.36		10.55	11.41	9.51		24.24
1997	0.35		0.78	1.14	1.56		2.25	3.48	5.35		7.38	7.55	8.30		11.15	8.64	12.80
1998	0.38		0.68	1.03	1.64		2.23	3.24	4.85		6.88	9.18	9.84		15.78	14.37	13.77		15.58
1999	0.46		0.88	1.16	1.65		2.40	3.12	4.26		6.00	6.52	10.64		14.05	12.67	9.20		17.22
2000	0.31		0.65	1.23	1.80		2.54	3.58	4.49		5.71	7.54	7.86		12.71	14.71	15.40		20.26
2001	0.30		0.77	1.18	1.83		2.75	3.64	4.88		5.93	7.43	8.90		10.22	11.11	13.03		18.85
2002	0.31		0.90	1.40	1.90		2.60	3.55	4.60		5.80	7.40	9.56		8.71	12.92	8.42		17.61
2003	0.55		0.88	1.39	2.01		2.63	3.59	4.83		5.57	7.262	9.36		9.52	9.52	10.68		21.66
2004	0.54		1.08	1.41	1.95		2.69	3.46	4.77		6.72	7.90	8.66		12.21	14.02	16.50		11.37
2005	0.58		0.92	1.38	1.86		2.61	3.54	4.57		6.41	8.24	9.89		11.04	14.08	11.81		20.08
2006	0.51		0.97	1.45	2.06		2.71	3.56	4.57		5.53	6.61	7.53		8.55	8.44	9.82		12.31
2007	0.53		1.07	1.70	2.37		3.26	4.36	5.45		6.71	8.08	8.56		9.75	11.72	12.72		15.58
2008	0.65		1.12	1.70	2.44		3.32	4.41	5.61		6.84	8.25	9.31		10.54	12.45	13.59		21.15
2009	0.56		0.98	1.47	2.10		2.83	3.90	5.06		5.76	7.31	7.79		7.81	10.68	11.83		14.76
2010	0.55		0.95	1.46	2.06		2.93	4.02	5.40		6.44	7.19	8.43		9.11	10.46	11.39		15.55
2011	0.53		1.09	1.50	2.06		2.85	3.70	5.01		6.26	7.33	8.34		9.87	13.23
2012			0.83	1.32	1.92		2.65	3.52	4.71		6.34	8.11	9.92		11.31	13.45	15.75
2013	0.43		0.95	1.40	2.00		2.64	3.44	4.51		5.67	7.29	8.80		10.33	11.38	12.56
2014	0.59		1.07	1.55	2.15		2.80	3.70	4.57		5.78	6.97	8.35		9.46	10.99	12.28		15.49
2015	0.64		0.96	1.42	1.96		2.57	3.30	4.13		5.49	6.46	7.18		8.63	10.37	12.24		14.60
2016	0.59		0.96	1.46	1.99		2.71	3.57	4.56		5.78	6.82	8.08		9.33	10.01	11.68		14.79
2017	0.55		0.99	1.53	2.06		2.69	3.64	4.72		5.91	6.91	7.88		9.41	10.93	11.78		15.07
2018	0.62		1.05	1.51	2.11		2.80	3.48	4.54		5.80	6.97	7.64		9.11	10.29	11.35		14.05
2019	0.51		0.96	1.43	2.02		2.72	3.60	4.51		5.80	6.91	7.94		8.89	10.94	11.55		14.49
2020	0.58		0.94	1.42	2.01		2.66	3.50	4.59		5.77	7.03	8.46		9.78	10.97	12.74		16.08
2021	0.39		0.75	1.27	1.86		2.55	3.42	4.52		5.86	7.13	8.55		10.09	11.79	12.98		15.75
2022	0.32		0.71	1.15	1.73		2.42	3.36	4.47		5.79	7.18	8.65		10.09	11.45	12.93		16.43
2023	0.38		0.80	1.23	1.79		2.51	3.39	4.47		5.80	7.23	8.74		9.86	11.79	13.66		15.78

Table 3.7. Northeast Arctic COD. Weights-at-age (kg) in landings from various countries (continued)

Russia (trawl only)
Year				Age
		2	3	4	5	6	7	8	9	10	11	12	13		14	15+
1983		0.65	1.05	1.58	2.31	3.39	4.87	6.86	8.72	10.40	12.07	14.43
1984		0.53	0.88	1.45	2.22	3.21	4.73	6.05	8.43	10.34	12.61	14.95
1985		0.33	0.77	1.31	1.84	2.96	4.17	5.94	6.38	8.58	10.28
1986		0.29	0.61	1.14	1.75	2.45	4.17	6.18	8.04	9.48	11.33	12.35	14.13
1987		0.24	0.52	0.88	1.42	2.07	2.96	5.07	7.56	8.93	10.80	13.05	18.16
1988		0.27	0.49	0.88	1.32	2.06	3.02	4.40	6.91	9.15	11.65	12.53	14.68
1989		0.50	0.73	1.00	1.39	1.88	2.67	4.06	6.09	7.76	9.88
1990		0.45	0.83	1.21	1.70	2.27	3.16	4.35	6.25	8.73	10.85	13.52
1991		0.36	0.64	1.05	2.03	2.85	3.77	4.92	6.13	8.36	10.44	15.84	19.33
1992		0.55	1.20	1.44	2.07	3.04	4.24	5.14	5.97	7.25	9.28	11.36
1993		0.48	0.78	1.39	2.06	2.62	4.07	5.72	6.79	7.59	11.26	14.79	17.71
1994		0.41	0.81	1.24	1.80	2.55	2.88	4.96	6.91	8.12	10.28	12.42	16.93
1995		0.37	0.77	1.21	1.74	2.37	3.40	4.71	6.73	8.47	9.58	12.03	16.99
1996		0.30	0.64	1.09	1.60	2.37	3.42	5.30	7.86	8.86	10.87	11.80
1997		0.30	0.57	1.00	1.52	2.18	3.30	4.94	7.15	10.08	11.87	13.54
1998		0.33	0.68	1.06	1.60	2.34	3.39	5.03	6.89	10.76	12.39	13.61	14.72
1999		0.24	0.58	0.98	1.41	2.17	3.26	4.42	5.70	7.27	10.24	14.12
2000		0.18	0.48	0.85	1.44	2.16	3.12	4.44	5.79	7.49	9.66	10.36
2001		0.12	0.31	0.62	1.00	1.53	2.30	3.31	4.57	6.55	8.11	9.52	11.99
2002		0.20	0.60	1.05	1.46	2.14	3.27	4.47	6.23	8.37	10.06	12.37
2003		0.23	0.63	1.06	1.78	2.40	3.41	4.86	6.28	7.55	11.10	13.41	12.12		14.51
2004		0.30	0.57	1.09	1.55	2.37	3.20	4.73	6.92	8.41	9.77	11.08
2005		0.33	0.65	0.98	1.50	2.10	3.08	4.31	5.81	8.42	10.37	13.56	14.13
2006		0.27	0.68	1.05	1.49	2.25	3.16	4.54	5.90	8.59	10.31	12.31
2007		0.23	0.67	1.12	1.66	2.25	3.31	4.57	6.27	8.20	10.02	12.36	12.42
2008		0.28	0.64	1.16	1.74	2.65	3.58	4.74	5.73	7.32	8.07	9.52	12.52
2009		0.31	0.64	1.09	1.58	2.11	3.19	4.80	6.58	7.97	9.84	11.51
2010		0.25	0.57	1.00	1.64	2.28	3.14	4.53	5.98	8.03	9.71	10.70	13.53
2011		0.25	0.62	1.05	1.56	2.18	2.95	4.33	6.21	8.04	10.13	12.25	15.18
2012		0.29	0.60	1.07	1.66	2.25	2.95	4.17	6.23	8.58	11.08	12.24	14.07		15.22	16.39
2013		0.33	0.63	1.05	1.54	2.26	3.09	4.08	5.47	7.37	9.59	12.57	15.54		17.05
2014		0.32	0.61	1.05	1.61	2.26	3.15	4.00	5.24	7.13	9.46	11.18	14.47
2015		0.30	0.60	0.97	1.49	2.11	3.13	4.64	5.78	7.13	9.53	12.12	16.71		17.37
2016		0.26	0.55	0.97	1.53	2.20	3.19	4.50	6.12	7.97	9.55	10.95	14.35		14.74	17.25
2017		0.33	0.63	1.03	1.56	2.24	3.24	4.67	6.34	7.74	9.40	11.12	14.43		16.67	11.91
2018		0.33	0.68	1.06	1.62	2.40	3.22	4.66	6.23	7.79	8.91	10.26	11.26		13.41	10.14
2019		0.29	0.62	1.10	1.60	2.33	3.22	4.44	6.45	8.10	9.60	11.02	13.83		10.65	10.65
2020		0.27	0.47	0.93	1.44	2.05	2.95	4.28	5.73	7.59	8.45	10.66	12.26		12.18	12.23
2021		0.19	0.44	0.76	1.35	2.02	2.81	4.25	6.26	7.81	9.59	10.67	10.86		13.62	12.31
2022		0.39	0.62	0.91	1.42	2.21	3.22	4.45	6.15	8.16	9.91	10.83	11.96			10.33
2023		0.36	0.63	1.03	1.55	2.29	3.27	4.49	5.81	7.05	8.92	9.99	10.77

Table 3.7. Northeast Arctic COD. Weights-at-age (kg) in landings from various countries (continued)

Germany (Division IIa and IIb)
Year				Age
		2	3	4	5	6	7	8	9	10	11	12	13	14	15+
1994			0.68	1.04	2.24	3.49	4.51	5.79	6.93	8.16	8.46	8.74	9.48	15.25
1995			0.44	0.84	1.5	2.72	3.81	4.46	4.81	7.37	7.69	8.25	9.47
1996			0.84	1.15	1.64	2.53	3.58	4.13	3.9	4.68	6.98	6.43	11.32
1997			0.43	0.92	1.42	2.01	3.15	4.04	5.16	4.82	3.96	7.04	8.8
1998		0.23	0.73	1.17	1.89	2.72	3.25	4.13	5.63	6.5	8.57	8.42	11.45	8.79
1999	1		0.853	1.448	1.998	2.65	3.473	4.156	5.447	6.82	5.902		8.01
2000	2	0.26	0.73	1.36	2.04	2.87	3.67	4.88	5.78	7.05	8.45	8.67	9.33	6.88
2001		0.38	0.80	1.21	1.90	2.74	3.90	4.99	5.69	7.15	7.32	11.72	9.11	6.60
2002		0.35	1.00	1.31	1.80	2.53	3.64	4.38	5.07	6.82	9.21	7.59	13.18	19.17	19.20
2003		0.22	0.44	1.04	1.71	2.31	3.27	4.93	6.17	7.77	9.61	9.99	12.29	13.59
2004	2	0.22	0.73	1.01	1.75	2.58	3.33	4.73	6.32	7.20	8.45	9.20	11.99	10.14	13.11
2005	3	0.57	0.77	1.13	1.66	2.33	3.36	4.38	5.92	6.65	7.26	10.01	11.14
2006	2	0.71	0.91	1.39	1.88	2.56	3.77	5.33	6.68	9.14	10.89	11.51	16.83	18.77
2007	3	0.59	1.35	1.79	2.51	3.53	4.00	4.95	6.55	7.54	9.71	11.40	11.57	23.34	15.61
2008	3	0.23	0.51	1.14	1.76	2.57	3.15	4.40	5.43	7.18	8.39	10.15	10.03	10.99	14.26
2009	3	0.35	0.60	1.19	1.83	2.96	4.08	5.61	6.97	8.55	9.13	10.54	13.34	10.30	17.06
2010	3	0.36	0.67	0.93	1.71	2.46	3.21	4.93	6.75	7.80	8.70	8.53	10.17	12.36	14.11
2011	1			1.75	3.09	3.30	3.28	4.13	4.99	6.61	7.91	9.38	10.79	14.67	14.91
2013	3			1.03	1.37	1.87	2.65	3.45	4.49	7.26	11.42	12.86	13.07
2014	4		0.68	0.96	1.39	1.69	3.06	4.07	5.65	8.15	10.36	13.07	13.52
2015	4	0.82	1.05	1.67	2.33	3.56	4.50	5.41	6.20	6.39
2016	1		1.38	2.60	3.55	4.81	6.33	7.61	8.90	9.26	10.83	13.41	16.84	17.03	17.76
2017	1		1.58	2.79	3.93	3.93	4.77	6.35	8.16	9.09	10.39	11.24	12.48	14.39	13.04
2018	3	0.58	1.16	1.76	2.45	3.34	4.13	5.81	7.16	8.99	9.96	10.85	11.73	14.01	17.79
2019	1		0.82	1.37	1.80	2.26	3.49	4.45	5.44	7.08	9.25	9.39	13.30	12.24	15.25
2020	5			1.6	1.63	2.48	3.13	5.01	5.93	8.36	9.31	12.16	12.96	12.77	14.08
2021	2		0.68	1.3	1.52	2.25	3.22	4.58	6.49	7.43	10.37	11.73	14.64	14.34	15.74
2022	1		0.59	0.82	1.40	2.20	3.04	4.13	5.54	7.36	8.56	10.79	13.12	14.96	15.18
2023	2		0.74	0.94	1.25	1.89	2.97	4.36	5.7	5.55	8.4	10.06	9.86	22.68
1	Division IIa only
2	IIa and IIb combined
3	I,IIa and IIb combined
4	Division IIb only
5	I and IIa combined

Table 3.7. Northeast Arctic COD. Weights at age (kg) in landings from various countries (continued)

Spain (Division IIb)
Year				Age
		2	3	4	5	6	7	8	9	10	11	12	13	14	15+
1994		0.43	1.08	1.38	2.32	2.47	2.68	3.46	5.20	7.04	6.79	7.20	8.04	10.46	15.35
1995		0.42	0.51	0.98	1.99	3.41	4.95	5.52	8.62	9.21	11.42	9.78	8.08
1996			0.66	1.12	1.57	2.43	3.17	3.59	4.44	5.48	6.79	8.10
1997	1	0.51	0.65	1.22	1.68	2.60	3.39	4.27	6.67	7.88	11.34	13.33	10.03	8.69
1998		0.47	0.74	1.15	1.82	2.44	3.32	3.71	5.00	7.26
1999	1	0.21	0.69	1.06	1.69	2.50	3.32	4.72	5.76	6.77	7.24	7.63
2000	1	0.23	0.61	1.24	1.75	2.47	3.12	4.65	6.06	7.66	10.94	11.40	7.20
2001		0.23	0.64	1.25	1.95	2.86	3.55	4.95	6.46	8.50	11.07	13.09
2002		0.16	0.55	1.00	1.48	2.17	3.29	4.47	5.35	8.29	12.23	9.01	12.16	15.2
2003			0.58	1.05	1.70	2.33	3.33	4.92	6.24	9.98	13.07	14.74	14.17
2004	1	0.31	0.56	0.80	1.28	1.96	2.59	3.72	5.36	5.28	7.41		11.43
2005	1		0.63	1.14	1.85	2.48	3.43	4.25	5.38	8.41	11.19	15.04	16.93
2006		0.30	0.61	0.99	1.46	2.04	2.55	3.39	3.50	4.70	6.36
2007		0.42	0.60	1.20	1.76	2.40	3.18	3.96	5.19	6.61	9.48	7.65	12.65	15.74	19.66
2009	1	0.12	0.45	0.95	1.60	2.18	3.36	4.52	6.04	7.30	9.42	10.35	11.47	12.54
2010	2	0.18	0.56	1.11	1.73	2.36	3.36	5.14	6.88	8.64	9.65	6.83
2011	1		0.45	0.90	1.26	1.84	2.55	4.08	5.61	8.17	8.14	7.31	8.91
2012	2		0.40	0.84	1.29	1.96	2.78	3.71	4.99	7.42		7.19	9.32
2013		0.17	0.72	1.06	1.63	2.36	3.14	3.90	4.36	6.55
2014		0.24	0.43	0.74	1.27	1.85	2.60	3.56	4.51	5.52	7.18	9.42	9.26	13.16	15.05
2015	2		0.40	0.80	1.19	1.79	2.45	3.38	4.41	5.85	6.64	7.48	6.77
2016	3	0.11	0.38	0.76	1.20	1.72	2.50	3.39	4.96	7.11	8.56
2017	2	0.12	0.42	0.75	1.17	1.69	2.50	3.39	4.47	5.69	5.93	6.00	10.91	13.57	10.52
2018	2	0.19	0.45	0.83	1.30	1.86	2.57	3.55	4.92	5.51	7.84	7.08	7.28
2019	2	0.19	0.39	0.90	1.30	1.85	2.65	3.48	4.83	5.96	5.67	7.04	8.36
2021	2		0.36	0.60	1.20	1.83	2.49	3.11	4.55	6.10	6.50	7.03		9.013	17.13
2022	2		0.49	0.80	1.25	1.83	2.77	4.06	5.52	7.71	8.87	12.18
2023	2		0.54	1.15	1.56	2.28	3.27	4.24	5.56	6.62	8.62	7.00	12.98	16.92
1	IIa and IIb combined
2	I,IIa and IIb combined
3	I and IIb combined
Iceland (Sub-area I)
1994		0.42	0.85	1.44	2.77	3.54	4.08	5.84	6.37	7.02	7.48	7.37
1995			1.17	0.91	1.60	2.28	3.61	4.73	6.27			6.26
1996			0.36	0.99	1.55	2.83	3.79	4.81	5.34	7.25	7.68	9.08	8.98	10.52
1997		0.42	0.43	0.76	1.60	2.40	3.45	4.40	5.74	6.15		8.28	10.52	9.89
UK (England & Wales)
1995	1			1.47	2.11	3.47	5.57	6.43	7.17	8.12	8.05	10.2	10.1
1996	2			1.55	1.81	2.42	3.61	6.3	6.47	7.83	7.91	8.93	9.38	10.9
1997	2			1.93	2.17	3.07	4.17	4.89	6.46		12.3	8.44
	1	Division IIa and IIb
	2	Division IIa
Poland (Division IIb)
2006		0.18	0.51	0.89	1.55	2.23	3.6	5.28	6.95	8.478	11	10.8	15.6	18.9
2008			0.49	0.90	1.45	2.24	2.79	3.82	4.68	5.015	6.45	7.02	7.22	5.99	6.91
2009				1.02	1.72	2.65	3.81	5.23	6.91	8.862	11.1	13.6	16.5
2010				1.39	1.66	2.29	2.98	3.92	5.18	6.313	6.66	8.72	9.05
2011				0.99	1.50	2.17	3.15	4.43	7.45	7.28
2016	1		0.84	1.59	2.29	2.81	3.91	4.78	5.61	6.709	7.89	8.54	11.6	13.7	16.09
2017	2		0.71	1.23	1.52	2.47	3.52	4.78	6.97	9.193	9.95	10.9	14.1
2018	3		0.74	1.15	1.66	2.45	3.55	4.48	6.06	6.31	7.59	7.91	8.28	8.52	9.40
2019	1				1.57	2.00	2.69	4.04	5.61	7.23	9.13	11.62	12.41	13.46	11.47
	1	Division IIa
	2	Division IIa and IIb
	3	I and IIb combined

SAM Wed May 29 15:23:46 2024

Table 3.8. Northeast Arctic COD. Catch weights at age (kg)

Year_age	3	4	5	6	7	8	9	10	11	12	13	14	+gp
1946	0.350	0.590	1.110	1.690	2.370	3.170	3.980	5.050	5.920	7.200	8.150	8.130	9.250
1947	0.320	0.560	0.950	1.500	2.140	2.920	3.650	4.560	5.840	7.420	8.850	8.790	10.000
1948	0.340	0.530	1.260	1.930	2.460	3.360	4.220	5.310	5.920	7.090	8.430	8.180	9.430
1949	0.370	0.670	1.110	1.660	2.500	3.230	4.070	5.270	5.990	7.080	8.220	8.260	8.700
1950	0.390	0.640	1.290	1.700	2.360	3.480	4.520	5.620	6.400	7.960	8.890	9.070	10.270
1951	0.400	0.830	1.390	1.880	2.540	3.460	4.880	5.200	7.140	8.220	9.390	9.500	9.520
1952	0.440	0.800	1.330	1.920	2.640	3.710	5.060	6.050	7.420	8.430	10.190	10.130	10.560
1953	0.400	0.760	1.280	1.930	2.810	3.720	5.060	6.340	7.400	8.670	10.240	11.410	11.930
1954	0.440	0.770	1.260	1.970	3.030	4.330	5.400	6.750	7.790	10.670	9.680	9.560	11.110
1955	0.320	0.570	1.130	1.730	2.750	3.940	4.900	7.040	7.200	8.780	10.080	11.020	12.110
1956	0.330	0.580	1.070	1.830	2.890	4.250	5.550	7.280	8.000	8.350	9.940	10.250	11.560
1957	0.330	0.590	1.020	1.820	2.890	4.280	5.490	7.510	8.240	9.250	10.610	10.820	12.070
1958	0.340	0.520	0.950	1.920	2.940	4.210	5.610	7.350	8.670	9.580	11.630	11.000	13.830
1959	0.350	0.720	1.470	2.680	3.590	4.320	5.450	6.440	7.170	8.630	11.620	11.950	13.000
1960	0.340	0.510	1.090	2.130	3.380	4.870	6.120	8.490	7.790	8.300	11.420	11.720	13.420
1961	0.310	0.550	1.050	2.200	3.230	5.110	6.150	8.150	8.680	9.600	11.950	13.180	13.420
1962	0.320	0.550	0.930	1.700	3.030	5.030	6.550	7.700	9.270	10.560	12.720	13.480	14.440
1963	0.320	0.610	0.960	1.730	3.040	4.960	6.440	7.910	9.620	11.310	12.740	13.190	14.290
1964	0.330	0.550	0.950	1.860	3.250	4.970	6.410	8.070	9.340	10.160	12.890	13.250	14.000
1965	0.380	0.680	1.030	1.490	2.410	3.520	5.730	7.540	8.470	11.170	13.720	13.460	14.120
1966	0.440	0.740	1.180	1.780	2.460	3.820	5.360	7.270	8.630	10.660	14.150	14.000	15.000
1967	0.290	0.810	1.350	2.040	2.810	3.480	4.890	7.110	9.030	10.590	13.830	14.150	16.760
1968	0.330	0.700	1.480	2.120	3.140	4.210	5.270	6.650	9.010	9.660	14.850	16.300	17.000
1969	0.440	0.790	1.230	2.030	2.900	3.810	5.020	6.430	8.330	10.710	14.210	15.000	17.000
1970	0.370	0.910	1.340	2.000	3.000	4.150	5.590	7.600	8.970	10.990	14.070	14.610	16.000
1971	0.450	0.880	1.380	2.160	3.070	4.220	5.810	7.130	8.620	10.830	12.950	14.250	15.970
1972	0.380	0.770	1.430	2.120	3.230	4.380	5.830	7.620	9.520	12.090	13.670	13.850	16.000
1973	0.380	0.910	1.540	2.260	3.290	4.610	6.570	8.370	10.540	11.620	13.900	14.000	15.840
1974	0.320	0.660	1.170	2.220	3.210	4.390	5.520	7.860	9.820	11.410	13.240	13.700	14.290
1975	0.410	0.640	1.110	1.900	2.950	4.370	5.740	8.770	9.920	11.810	13.110	14.000	14.290
1976	0.350	0.730	1.190	2.010	2.760	4.220	5.880	9.300	10.280	11.860	13.540	14.310	14.280
1977	0.490	0.900	1.430	2.050	3.300	4.560	6.460	8.630	9.930	10.900	13.670	14.260	14.910
1978	0.490	0.810	1.450	2.150	3.040	4.460	6.540	7.980	10.150	10.850	13.180	14.000	15.000
1979	0.350	0.700	1.240	2.140	3.150	4.290	6.580	8.610	9.220	10.890	14.340	14.500	15.310
1980	0.270	0.560	1.020	1.720	3.020	4.200	5.840	7.260	8.840	9.280	14.450	15.000	15.500
1981	0.490	0.980	1.440	2.090	2.980	4.850	6.570	9.160	10.820	10.770	13.930	15.000	16.000
1982	0.370	0.660	1.350	1.990	2.930	4.240	6.460	8.510	12.240	10.780	14.040	15.000	16.000
1983	0.840	1.370	2.090	2.860	3.990	5.580	7.770	9.290	11.550	11.420	12.800	14.180	15.550
1984	1.420	1.930	2.490	3.140	3.910	4.910	6.020	7.400	8.130	11.420	12.800	14.180	15.550
1985	0.940	1.370	2.020	3.220	4.630	6.040	7.660	9.810	11.800	11.420	12.800	14.180	15.550
1986	0.640	1.270	1.880	2.790	4.490	5.840	6.830	7.690	9.810	11.420	12.800	14.180	15.550
1987	0.490	0.880	1.550	2.330	3.440	5.920	8.600	9.600	12.170	11.420	12.800	14.180	15.550
1988	0.540	0.850	1.320	2.240	3.520	5.350	8.060	9.510	11.360	11.420	12.800	14.180	15.550
1989	0.740	0.960	1.310	1.920	2.930	4.640	7.520	9.120	11.080	11.420	12.800	14.180	15.550
1990	0.810	1.220	1.640	2.220	3.240	4.680	7.300	9.840	13.250	11.420	12.800	14.180	15.550
1991	1.050	1.450	2.150	2.890	3.750	4.710	6.080	8.820	11.800	11.420	12.800	14.180	15.550
1992	1.160	1.570	2.210	3.100	4.270	5.190	6.140	7.770	10.120	11.420	12.800	14.180	15.550
1993	0.810	1.520	2.160	2.790	4.070	5.530	6.470	7.190	7.980	11.457	12.800	14.180	15.550
1994	0.820	1.300	2.060	2.890	3.210	5.200	6.800	7.570	8.010	9.955	13.012	14.180	15.550
1995	0.770	1.200	1.780	2.590	3.810	4.990	6.230	8.050	8.740	9.774	11.388	14.546	15.550
1996	0.790	1.110	1.610	2.460	3.820	5.720	6.740	8.040	9.280	10.451	11.190	12.819	16.045
1997	0.670	1.040	1.530	2.220	3.420	5.200	7.190	7.730	8.610	11.145	11.926	12.608	14.234
1998	0.680	1.050	1.620	2.300	3.300	4.860	6.870	9.300	10.300	10.754	12.676	13.394	14.011
1999	0.630	1.010	1.540	2.340	3.210	4.290	6.000	6.730	10.080	11.151	12.255	14.191	14.839
2000	0.570	1.040	1.610	2.340	3.340	4.480	5.720	7.520	8.020	11.930	12.682	13.743	15.675
2001	0.660	1.050	1.620	2.510	3.510	4.780	6.040	7.540	9.000	10.230	13.519	14.197	15.206
2002	0.720	1.130	1.560	2.310	3.520	4.780	6.200	7.660	9.140	10.379	11.687	15.081	15.681
2003	0.670	1.120	1.830	2.500	3.580	5.040	6.360	8.200	10.710	10.167	11.848	13.138	16.602
2004	0.720	1.130	1.610	2.430	3.270	4.720	6.710	7.980	9.190	10.840	11.619	13.310	14.571
2005	0.690	1.080	1.570	2.210	3.260	4.440	6.230	8.190	9.720	10.626	12.347	13.066	14.752
2006	0.720	1.160	1.600	2.390	3.320	4.540	5.470	6.780	7.700	10.800	12.116	13.842	14.494
2007	0.740	1.210	1.830	2.510	3.820	5.040	6.580	8.080	8.940	10.349	12.304	13.596	15.309
2008	0.770	1.270	1.870	2.820	3.790	5.120	6.220	7.750	8.400	10.139	11.816	13.795	15.052
2009	0.750	1.170	1.740	2.420	3.860	5.350	6.430	8.010	8.670	10.055	11.588	13.276	15.261
2010	0.780	1.200	1.740	2.440	3.400	5.040	6.250	7.320	8.530	10.378	11.496	13.033	14.715
2011	0.780	1.310	1.720	2.370	3.200	4.620	6.180	7.470	8.570	10.387	11.847	12.935	14.459
2012	0.670	1.140	1.730	2.340	3.120	4.400	6.280	8.240	10.350	10.367	11.857	13.309	14.356
2013	0.710	1.170	1.670	2.360	3.190	4.220	5.580	7.310	9.080	11.029	11.835	13.320	14.750
2014	0.790	1.200	1.730	2.340	3.280	4.210	5.490	6.980	8.670	10.823	12.551	13.297	14.761
2015	0.780	1.090	1.550	2.180	3.140	4.460	5.610	6.620	7.340	10.215	12.328	14.058	14.737
2016	0.780	1.140	1.660	2.260	3.250	4.500	5.980	7.310	8.540	9.372	11.670	13.822	15.536
2017	0.710	1.150	1.660	2.320	3.320	4.670	6.130	7.150	8.140	9.597	10.752	13.121	15.288
2018	0.860	1.170	1.710	2.500	3.310	4.610	6.030	7.320	8.060	9.707	10.998	12.137	14.552
2019	0.680	1.150	1.660	2.390	3.330	4.450	6.110	7.290	8.410	9.806	11.117	12.401	13.513
2020	0.709	1.084	1.604	2.195	3.092	4.390	5.731	7.218	8.406	9.989	11.226	12.529	13.793
2021	0.527	0.896	1.487	2.159	2.982	4.364	6.048	7.348	8.796	9.991	11.424	12.645	13.928
2022	0.623	0.956	1.478	2.245	3.247	4.441	5.877	7.328	8.738	10.122	11.427	12.858	14.051
2023	0.638	1.056	1.617	2.346	3.310	4.470	5.794	7.141	8.777	9.988	11.519	12.792	14.184

* values starting from 1993, ages 12-15, have been updated by the VB model using the most recent actual data for ages 3-11

SAM Wed May 29 15:23:46 2024

Table 3.9. Northeast Arctic COD. Stock weights at age (kg)

Year_age	3	4	5	6	7	8	9	10	11	12	13	14	+gp
1946	0.35	0.59	1.11	1.69	2.37	3.17	3.98	5.05	5.92	7.2	8.146	8.133	9.253
1947	0.32	0.56	0.95	1.5	2.14	2.92	3.65	4.56	5.84	7.42	8.848	8.789	9.998
1948	0.34	0.53	1.26	1.93	2.46	3.36	4.22	5.31	5.92	7.09	8.43	8.181	9.433
1949	0.37	0.67	1.11	1.66	2.5	3.23	4.07	5.27	5.99	7.08	8.218	8.259	8.701
1950	0.39	0.64	1.29	1.7	2.36	3.48	4.52	5.62	6.4	7.96	8.891	9.07	10.271
1951	0.4	0.83	1.39	1.88	2.54	3.46	4.88	5.2	7.14	8.22	9.389	9.502	9.517
1952	0.44	0.8	1.33	1.92	2.64	3.71	5.06	6.05	7.42	8.43	10.185	10.134	10.563
1953	0.4	0.76	1.28	1.93	2.81	3.72	5.06	6.34	7.4	8.67	10.238	11.409	11.926
1954	0.44	0.77	1.26	1.97	3.03	4.33	5.4	6.75	7.79	10.67	9.68	9.557	11.106
1955	0.32	0.57	1.13	1.73	2.75	3.94	4.9	7.04	7.2	8.78	10.077	11.023	12.105
1956	0.33	0.58	1.07	1.83	2.89	4.25	5.55	7.28	8	8.35	9.944	10.248	11.564
1957	0.33	0.59	1.02	1.82	2.89	4.28	5.49	7.51	8.24	9.25	10.605	10.825	12.075
1958	0.34	0.52	0.95	1.92	2.94	4.21	5.61	7.35	8.67	9.58	11.631	11	13.832
1959	0.35	0.72	1.47	2.68	3.59	4.32	5.45	6.44	7.17	8.63	11.621	11.95	13
1960	0.34	0.51	1.09	2.13	3.38	4.87	6.12	8.49	7.79	8.3	11.422	11.719	13.424
1961	0.31	0.55	1.05	2.2	3.23	5.11	6.15	8.15	8.68	9.6	11.952	13.181	13.422
1962	0.32	0.55	0.93	1.7	3.03	5.03	6.55	7.7	9.27	10.56	12.717	13.482	14.44
1963	0.32	0.61	0.96	1.73	3.04	4.96	6.44	7.91	9.62	11.31	12.737	13.193	14.287
1964	0.33	0.55	0.95	1.86	3.25	4.97	6.41	8.07	9.34	10.16	12.886	13.251	14
1965	0.38	0.68	1.03	1.49	2.41	3.52	5.73	7.54	8.47	11.17	13.722	13.465	14.118
1966	0.44	0.74	1.18	1.78	2.46	3.82	5.36	7.27	8.63	10.66	14.148	14	15
1967	0.29	0.81	1.35	2.04	2.81	3.48	4.89	7.11	9.03	10.59	13.829	14.146	16.756
1968	0.33	0.7	1.48	2.12	3.14	4.21	5.27	6.65	9.01	9.66	14.848	16.3	17
1969	0.44	0.79	1.23	2.03	2.9	3.81	5.02	6.43	8.33	10.71	14.211	15	17
1970	0.37	0.91	1.34	2	3	4.15	5.59	7.6	8.97	10.99	14.074	14.611	16
1971	0.45	0.88	1.38	2.16	3.07	4.22	5.81	7.13	8.62	10.83	12.945	14.25	15.973
1972	0.38	0.77	1.43	2.12	3.23	4.38	5.83	7.62	9.52	12.09	13.673	13.852	16
1973	0.38	0.91	1.54	2.26	3.29	4.61	6.57	8.37	10.54	11.62	13.904	14	15.841
1974	0.32	0.66	1.17	2.22	3.21	4.39	5.52	7.86	9.82	11.41	13.242	13.704	14.291
1975	0.41	0.64	1.11	1.9	2.95	4.37	5.74	8.77	9.92	11.81	13.107	14	14.293
1976	0.35	0.73	1.19	2.01	2.76	4.22	5.88	9.3	10.28	11.86	13.544	14.311	14.284
1977	0.49	0.9	1.43	2.05	3.3	4.56	6.46	8.63	9.93	10.9	13.668	14.255	14.906
1978	0.49	0.81	1.45	2.15	3.04	4.46	6.54	7.98	10.15	10.85	13.177	14	15
1979	0.35	0.7	1.24	2.14	3.15	4.29	6.58	8.61	9.22	10.89	14.344	14.5	15.315
1980	0.27	0.56	1.02	1.72	3.02	4.2	5.84	7.26	8.84	9.28	14.448	15	15.5
1981	0.49	0.98	1.44	2.09	2.98	4.85	6.57	9.16	10.82	10.77	13.932	15	16
1982	0.37	0.66	1.35	1.99	2.93	4.24	6.46	8.51	12.24	10.78	14.041	15	16
1983	0.37	0.92	1.6	2.44	3.82	4.76	6.17	7.7	9.25	12.621	14.544	16.466	18.388
1984	0.42	1.16	1.81	2.79	3.78	4.57	6.17	7.7	9.25	12.621	14.544	16.466	18.388
1985	0.413	0.875	1.603	2.81	4.059	5.833	7.685	10.117	14.29	12.621	14.544	16.466	18.388
1986	0.311	0.88	1.47	2.467	3.915	5.81	6.58	6.833	11.004	12.621	14.544	16.466	18.388
1987	0.211	0.498	1.254	2.047	3.431	5.137	6.523	9.3	13.15	12.621	14.544	16.466	18.388
1988	0.212	0.404	0.79	1.903	2.977	4.392	7.812	12.112	13.107	12.621	14.544	16.466	18.388
1989	0.299	0.52	0.868	1.477	2.686	4.628	7.048	9.98	9.25	12.621	14.544	16.466	18.388
1990	0.398	0.705	1.182	1.719	2.458	3.565	4.71	7.801	8.956	12.621	14.544	16.466	18.388
1991	0.518	1.136	1.743	2.428	3.214	4.538	6.88	10.719	9.445	12.621	14.544	16.466	18.388
1992	0.44	0.931	1.812	2.716	3.895	5.176	6.774	9.598	12.427	12.621	14.544	16.466	18.388
1993	0.344	1.172	1.82	2.823	4.031	5.497	6.765	8.571	10.847	12.621	14.544	16.466	18.388
1994	0.237	0.757	1.419	2.458	3.845	5.374	6.648	7.653	8.136	12.916	16.114	16.466	18.388
1995	0.197	0.487	1.141	2.118	3.504	4.915	6.949	9.051	9.775	11.409	15.248	18.62	18.388
1996	0.206	0.482	0.98	2.041	3.52	5.507	7.74	9.922	10.63	12.093	13.533	17.659	21.171
1997	0.211	0.537	1.11	1.876	3.381	5.258	8.546	10.653	10.776	13.232	14.313	15.745	20.122
1998	0.242	0.561	1.179	1.936	2.944	4.583	7.092	10.7	12.042	13.771	15.607	16.617	18.021
1999	0.209	0.514	1.183	2.007	3.037	4.479	6.512	10.028	11.117	14.698	16.215	18.057	18.981
2000	0.194	0.465	1.218	1.963	3.064	4.12	5.746	7.157	9.961	14.589	17.26	18.733	20.557
2001	0.284	0.513	1.21	2.25	3.299	5.066	6.373	9.29	11.456	13.317	17.138	19.887	21.294
2002	0.23	0.603	1.184	2.138	3.336	4.81	6.912	8.809	10.475	12.534	15.703	19.752	22.549
2003	0.233	0.551	1.317	2.022	3.239	4.984	6.727	8.422	14.226	12.524	14.815	18.164	22.403
2004	0.24	0.55	1.074	2.038	2.911	4.402	6.263	8.535	10.197	12.371	14.803	17.176	20.674
2005	0.225	0.61	1.083	1.87	3.002	3.971	5.789	8.127	12.759	12.611	14.63	17.163	19.594
2006	0.252	0.591	1.219	2.014	3.028	4.434	5.999	7.774	9.954	13.679	14.902	16.971	19.58
2007	0.249	0.663	1.329	2.127	3.183	4.59	6.477	8.88	12.124	12.261	16.111	17.274	19.368
2008	0.286	0.726	1.418	2.41	3.331	4.914	6.747	8.851	10.393	12.776	14.504	18.617	19.701
2009	0.274	0.652	1.353	2.312	3.803	5.103	6.75	9.252	10.119	12.323	15.09	16.83	21.168
2010	0.258	0.608	1.208	2.01	3.088	4.903	6.498	7.992	9.689	12.467	14.574	17.483	19.214
2011	0.225	0.6	1.097	1.926	2.861	4.403	6.531	8.648	9.885	12.508	14.738	16.909	19.929
2012	0.227	0.555	1.182	1.834	2.831	4.124	6.056	8.584	11.498	12.249	14.785	17.092	19.3
2013	0.247	0.577	1.134	1.998	2.841	4.015	5.523	8.077	10.304	13.207	14.491	17.144	19.501
2014	0.216	0.577	1.137	1.791	2.781	3.85	5.245	6.992	9.378	12.746	15.578	16.816	19.558
2015	0.229	0.54	1.134	1.934	2.753	4.081	5.315	7.135	8.947	11.778	15.056	18.025	19.198
2016	0.21	0.536	1.001	1.812	2.72	3.958	5.64	7.064	8.569	10.885	13.954	17.445	20.522
2017	0.255	0.675	1.107	1.896	2.826	4.158	5.7	7.628	9.071	10.634	12.934	16.216	19.888
2018	0.286	0.62	1.188	1.949	2.768	4.059	5.749	7.38	9.097	10.8	12.646	15.073	18.54
2019	0.24	0.603	1.085	1.82	3.025	4.296	5.891	7.293	9.667	11.186	12.837	14.749	17.28
2020	0.148	0.503	1.055	1.692	2.59	4.064	5.617	7.673	9.313	11.306	13.278	14.964	16.922
2021	0.17	0.437	0.954	1.718	2.669	3.804	5.822	7.396	9.334	11.187	13.415	15.459	17.159
2022	0.293	0.48	0.929	1.616	2.741	3.933	5.744	8.012	9.648	11.361	13.279	15.613	17.706
2023	0.272	0.645	1.022	1.71	2.876	4.352	5.925	7.879	9.79	11.36	13.478	15.46	17.876
2024	0.246	0.706	1.075	1.803	2.667	3.995	5.95	7.011	9.436	11.714	13.477	15.683	17.707

2023 data updated,

values starting from 1993, ages 12-15, have been updated by the VB model using the most recent actual data for ages 3-11

Table 3.10. Northeast Arctic COD. Basis for maturity ogives (percent) used in the assessment. Norwegian and Russian data.

Norway
	Percentage mature
	Age
Year	3	4	5	6	7	8	9	10
1982	0	5	10	34	65	82	92	100
1983	5	8	10	30	73	88	97	100
Russia
	Percentage mature
	Age
Year	3	4	5	6	7	8	9	10
1984	0	5	18	31	56	90	99	100
1985	0	1	10	33	59	85	92	100
1986	0	2	9	19	56	76	89	100
1987	0	1	9	23	27	61	81	80
1988	0	1	3	25	53	79	100	100
1989	0	0	2	15	39	59	83	100
1990	0	2	6	20	47	62	81	95
1991	0	3	1	23	66	82	96	100
1992	0	1	8	31	73	92	95	100
1993	0	3	7	21	56	89	95	99
1994	0	1	8	30	55	84	95	98
1995	0	0	4	23	61	75	94	97
1996	0	0	1	22	56	82	95	100
1997	0	0	1	10	48	73	90	100
1998	0	0	2	15	47	87	97	96
1999	0	0.2	1.3	9.9	38.4	74.9	94	100
2000	0	0	6	19.2	51.4	84	95.5	100
2001	0.1	0.1	3.9	27.9	62.3	89.4	96.3	100
2002	0.1	1.9	10.9	34.4	68.1	82.8	97.6	100
2003	0.2	0	11	29.2	65.9	89.6	95.1	100
2004	0	0.7	8	33.8	63.3	83.4	96.4	96.4
2005	0	0.6	4.6	24.2	61.5	84.9	95.3	98.1
2006	0	0	6.1	29.6	59.6	89.5	96.4	100
2007	0	0.4	5.7	20.8	60.4	83.5	96	100
2008	0	0.5	4	24.6	48.3	84.4	94.7	98.7
2009	0	0	6	28	66	85	97	100
2010	0	0.2	1.5	22.8	47	77.4	90.2	95.5
2011	0	0	2.2	20.7	50.4	73.7	90.6	95.6
2012	0.2	0	1.5	10.8	43.9	76.1	90.8	96.4
2013	0	0	0.6	10.6	41.8	70.6	89.8	96.9
2014	0	0	1.9	14.1	45.9	76	92	97.5
2015	0	0.2	0.2	7.9	27	60.8	83.4	93.7
2016	0	0	0.2	5.2	22.4	44.1	74.8	92.5
2017*	0	0	0.8	6.3	20.8	51.6	80.4	98.6
2018	0	0.5	2.5	23.6	53.9	79.4	92.5	96.0
2019**	0	0	4.5	11.9	56.4	91.8	95.1	100
2020**	0	0.4	1.7	15.8	43.8	71.2	74.9	84.9
2021**	0	0	2.7	16.1	44.1	72.2	87.1	88.1
2022**	0	0	0.8	11.6	59.7	72.6	80.4	96.2
2023**	0	0	0.3	12.3	50.9	84.3	92.6	97.5
2024**	0	0	1.4	10.2	32.5	74.8	97.4	100
*Not used in inputs (instead ratios presented in WD 10, 2017 used for further calculations) **Not used in inputs (instead ratios presented in WD 15, 2019 used for further calculations)

Norway
	Percentage mature
	Age
Year	3	4	5	6	7	8	9	10
1985	0.31	1.36	8.94	38.33	51.27	85.13	100	79.2
1986	2.92	7	7.85	18.85	49.72	66.52	35.59	80.09
1987	0	0.07	4.49	12.42	16.28	31.23	19.32
1988	0	2.35	6.16	40.54	53.63	45.36	100	100
1989	1.52	0.67	3.88	30.65	70.36	82.02	100	100
1990	1.52	0.67	4.18	22	57.45	80.95	100	100
1991	0.1	3.4	13.93	38.03	75.52	90.12	95.39	100
1992	0.22	1.85	21.04	52.83	86.95	96.52	99.83	100
1993	0	2.6	10.37	52.6	84.8	97.25	99.3	99.73
1994	0.51	0.33	15.78	36.92	62.84	88.44	97.56	100
1995	0	0.62	8.19	51.48	63.75	81.11	98.01	99.34
1996	0.03	0	2.82	29.56	70.22	82.06	100	100
1997	0	0	1.48	17.91	73.31	93.01	99.12	100
1998	0.12	0.68	3.17	15.42	47.31	75.73	94.3	100
1999	0.42	0.16	1.6	27.46	70.48	94.57	98.99	100
2000	0	0.11	8.15	30.23	77.3	81.95	100	100
2001	0.49	0.51	9.03	43.81	62.52	74.36	94.13	100
2002	0.27	0.73	5.94	43.22	68.4	85.31	92.52	100
2003	0.02	0.18	6.5	35.97	68.56	87.97	96.3	100
2004	0.24	1.36	10.23	54.56	81.84	90.94	98.76	98.91
2005	0	0.27	9	55.16	81.77	93.51	98.03	100
2006	0	0.22	5.92	44.25	69.85	89.89	96.65	100
2007	0.12	0.33	8.7	47.88	84.29	91.68	99.11	100
2008	0	0.27	9.27	34.13	61.39	88.04	91.17	100
2009	0	0	9	46	85	86	98	99
2010	0	0.36	7.5	41.75	67.7	90.1	95.29	98.55
2011	0	0.2	5.2	48	77.7	89.7	97.3	97.2
2012	0	0	7.7	32.2	67.5	81	90.9	96.3
2013	0	0.3	1	20.2	55.3	80	91.8	99.3
2014	0	0.4	2	13.3	56.7	85	93.8	98.7
2015	0	0	1.9	10.9	29.2	79.1	93.1	99.6
2016	0.07	0.2	1.0	6.4	28.5	71.3	86.1	98.6
2017	0	0.2	0.5	18	54.8	81.4	95.9	100
2018	0	0.1	3.0	16.2	38.3	61.0	93.7	98.9
2019	0	0.4	4.0	24.0	68.6	93.2	96.7	99.8
2020	0	0.44	3.18	13.68	42.51	80.06	91.18	94.03
2021	0.28	0.25	0.79	17.11	43.21	68.80	90.75	98.63
2022	1.55	0	1.19	9.54	44.22	70.17	77.19	98.50
2023	0.80	2.10	2.29	8.89	49.84	80.60	94.93	94.05
2024	0.00	0.30	1.08	10.98	37.92	73.88	96.51	99.23

SAM Wed May 29 15:23:46 2024

Table 3.11. Northeast Arctic cod. Proportion mature-at-age

Year_age	3	4	5	6	7	8	9	10	11	12	13	14	+gp
1946	0	0	0.01	0.03	0.06	0.11	0.18	0.44	0.65	0.86	0.96	0.96	1
1947	0	0	0.01	0.03	0.06	0.13	0.16	0.42	0.75	0.91	0.95	1	1
1948	0	0	0.01	0.03	0.07	0.13	0.25	0.47	0.73	0.91	0.97	1	1
1949	0	0	0.01	0.03	0.09	0.17	0.29	0.54	0.79	0.88	0.97	1	1
1950	0	0	0.01	0.03	0.09	0.23	0.35	0.52	0.79	0.95	0.97	1	1
1951	0	0	0.01	0.03	0.1	0.24	0.4	0.58	0.72	0.85	0.96	1	1
1952	0	0	0.01	0.03	0.08	0.22	0.41	0.63	0.82	0.92	0.97	1	1
1953	0	0	0.01	0.03	0.07	0.19	0.4	0.64	0.84	0.94	0.97	1	1
1954	0	0	0.01	0.03	0.08	0.16	0.37	0.68	0.87	0.93	0.96	1	1
1955	0	0	0.01	0.03	0.07	0.13	0.26	0.53	0.83	0.92	0.97	1	1
1956	0	0	0.01	0.03	0.06	0.12	0.14	0.41	0.67	0.91	0.96	1	1
1957	0	0	0.01	0.03	0.06	0.09	0.12	0.22	0.6	0.82	0.97	1	1
1958	0	0	0.01	0.03	0.06	0.1	0.1	0.3	0.5	0.82	0.97	1	1
1959	0	0	0.01	0.04	0.12	0.34	0.49	0.67	0.84	0.87	1	1	1
1960	0	0.01	0.03	0.06	0.1	0.19	0.45	0.69	0.77	0.85	0.99	1	1
1961	0	0	0.01	0.06	0.12	0.31	0.65	0.91	0.98	0.98	1	0.96	1
1962	0	0	0.01	0.05	0.15	0.34	0.61	0.81	0.92	0.97	1	0.932	1
1963	0	0.01	0.01	0.03	0.07	0.28	0.42	0.81	0.98	0.98	1	0.966	1
1964	0	0	0	0.03	0.13	0.37	0.66	0.89	0.95	0.99	1	1	1
1965	0	0	0	0.01	0.06	0.2	0.55	0.73	0.99	0.98	1	1	1
1966	0	0	0.01	0.02	0.06	0.22	0.35	0.74	0.94	0.94	1	1	1
1967	0	0	0	0.03	0.07	0.14	0.38	0.64	0.89	0.9	1	1	1
1968	0	0	0.03	0.05	0.09	0.19	0.39	0.58	0.82	1	1	1	1
1969	0	0	0	0.02	0.04	0.12	0.34	0.55	0.74	0.95	1	1	1
1970	0	0.01	0	0.01	0.07	0.23	0.58	0.81	0.89	0.91	1	1	1
1971	0	0	0.01	0.05	0.11	0.3	0.59	0.79	0.86	0.88	1	1	1
1972	0.01	0.02	0.02	0.01	0.1	0.34	0.64	0.81	0.94	1	1	1	1
1973	0	0	0	0.02	0.16	0.53	0.81	0.92	0.95	0.98	1	1	1
1974	0	0	0	0.01	0.03	0.21	0.5	0.96	1	0.96	1	1	1
1975	0	0	0.01	0.02	0.09	0.21	0.56	0.78	0.79	0.95	1	1	1
1976	0	0	0	0.05	0.12	0.29	0.45	0.84	0.83	1	0.9	1	1
1977	0	0	0.02	0.08	0.26	0.54	0.76	0.87	0.93	0.94	0.9	1	1
1978	0	0	0	0.02	0.13	0.44	0.71	0.77	0.81	0.89	0.8	1	1
1979	0	0	0	0.03	0.13	0.39	0.77	0.89	0.83	0.78	0.9	1	1
1980	0	0	0	0.02	0.13	0.35	0.65	0.82	1	0.9	0.9	1	1
1981	0	0	0.02	0.07	0.2	0.54	0.8	0.97	1	1	1	1	1
1982	0	0.05	0.1	0.34	0.65	0.82	0.92	1	1	1	1	1	1
1983	0.01	0.08	0.1	0.3	0.73	0.88	0.97	1	1	1	1	1	1
1984	0	0.05	0.18	0.31	0.56	0.9	0.99	1	1	1	1	1	1
1985	0	0.01	0.09	0.36	0.55	0.85	0.96	0.9	1	1	1	1	1
1986	0	0.05	0.08	0.19	0.53	0.71	0.62	0.9	1	1	1	1	1
1987	0	0.01	0.07	0.18	0.22	0.46	0.5	0.75	1	1	1	1	1
1988	0	0.02	0.05	0.33	0.53	0.62	1	1	1	1	1	1	1
1989	0.008	0.003	0.029	0.228	0.547	0.705	0.915	1	1	1	1	1	1
1990	0.008	0.013	0.051	0.21	0.522	0.715	0.905	0.975	1	1	1	1	1
1991	0.001	0.032	0.075	0.305	0.708	0.861	0.957	1	1	1	1	1	1
1992	0.001	0.014	0.145	0.419	0.8	0.943	0.974	1	1	1	1	1	1
1993	0	0.028	0.087	0.368	0.704	0.931	0.972	0.994	1	1	1	1	1
1994	0	0.005	0.119	0.336	0.583	0.876	0.965	0.99	1	1	1	1	1
1995	0	0.005	0.06	0.373	0.614	0.748	0.955	0.98	1	1	1	1	1
1996	0	0	0.016	0.252	0.619	0.817	0.975	1	1	1	1	1	1
1997	0	0	0.014	0.14	0.597	0.842	0.95	0.967	1	1	1	1	1
1998	0	0.005	0.031	0.168	0.468	0.828	0.956	0.98	1	1	1	1	1
1999	0	0.001	0.014	0.17	0.506	0.841	0.961	1	1	1	1	1	1
2000	0	0	0.066	0.261	0.699	0.872	0.978	1	1	1	1	1	1
2001	0.001	0.006	0.069	0.378	0.646	0.851	0.955	1	1	1	1	1	1
2002	0.001	0.015	0.085	0.412	0.695	0.846	0.97	1	1	1	1	1	1
2003	0.001	0	0.089	0.331	0.662	0.882	0.96	1	1	1	1	1	1
2004	0	0.009	0.092	0.438	0.728	0.883	0.973	0.974	1	1	1	1	1
2005	0	0.003	0.066	0.366	0.72	0.897	0.971	0.991	1	1	1	1	1
2006	0	0.015	0.061	0.367	0.633	0.907	0.961	1	1	1	1	1	1
2007	0	0.007	0.076	0.37	0.719	0.884	0.977	1	1	1	1	1	1
2008	0.005	0.008	0.082	0.309	0.539	0.869	0.928	0.994	1	1	1	1	1
2009	0	0	0.081	0.362	0.745	0.859	0.978	0.997	0.994	1	1	1	1
2010	0.005	0.006	0.06	0.335	0.552	0.838	0.931	0.971	0.983	1	1	1	1
2011	0	0	0.04	0.339	0.644	0.798	0.932	0.963	0.991	1	1	1	1
2012	0.001	0	0.058	0.209	0.544	0.799	0.93	0.967	0.99	1	1	1	1
2013	0	0	0.01	0.156	0.482	0.763	0.913	0.982	0.985	1	1	1	1
2014	0	0	0.025	0.137	0.516	0.806	0.935	0.984	0.996	1	1	1	1
2015	0	0.001	0.004	0.074	0.282	0.681	0.891	0.963	0.984	1	1	1	1
2016	0	0	0.002	0.057	0.256	0.569	0.832	0.955	0.984	1	1	1	1
2017	0	0.018	0.003	0.148	0.463	0.749	0.931	0.99	1	1	1	1	1
2018	0	0.003	0.028	0.207	0.478	0.731	0.916	0.971	1	1	1	1	1
2019	0	0	0.01	0.126	0.466	0.842	0.942	0.968	0.996	1	1	1	1
2020	0	0	0.014	0.112	0.356	0.775	0.904	0.955	1	1	1	1	1
2021	0.002	0.002	0.006	0.14	0.386	0.657	0.893	0.974	0.959	1	1	1	1
2022	0.014	0	0.01	0.079	0.402	0.674	0.756	0.975	1	1	1	1	1
2023	0.007	0.02	0.019	0.074	0.454	0.774	0.93	0.931	1	1	1	1	1
2024	0	0.003	0.009	0.091	0.345	0.709	0.946	0.982	1	1	1	1	1



Table 3.12. The Northeast Arctic cod stock's consumption of cod in million individuals

Year/age	0	1	2	3	4	5	6
1984	0.000	444.692	22.438	0.216	0.000	0.000	0.000
1985	1627.802	354.039	71.711	0.198	0.000	0.000	0.000
1986	69.080	1114.780	343.699	87.608	0.000	0.000	0.000
1987	649.421	194.012	325.201	14.392	0.000	0.000	0.000
1988	32.172	485.301	26.482	1.791	0.000	0.000	0.000
1989	953.718	142.813	0.000	0.000	0.000	0.000	0.000
1990	0.000	110.169	23.524	0.000	0.000	0.000	0.000
1991	118.095	138.911	182.399	1.621	0.000	0.000	0.000
1992	3148.272	894.249	143.699	4.190	0.000	0.000	0.000
1993	3860.477	18251.786	479.661	46.391	1.306	0.420	0.000
1994	7963.520	7018.563	648.501	129.613	49.590	7.864	0.409
1995	8174.708	14866.757	759.039	211.213	67.018	3.730	0.222
1996	10170.629	21688.051	1473.363	136.550	52.811	18.502	1.070
1997	3069.149	17614.488	1897.232	165.961	15.751	1.218	0.220
1998	92.182	5690.457	577.717	204.732	23.508	1.459	0.467
1999	635.509	2104.161	303.649	50.828	4.193	0.004	0.000
2000	1912.370	2547.861	188.046	38.319	13.963	3.834	0.042
2001	94.476	2395.845	114.635	23.795	11.590	1.786	0.909
2002	7560.920	456.443	404.266	41.245	5.290	0.801	0.017
2003	5396.707	4104.542	107.603	24.088	0.000	0.000	0.000
2004	6482.152	2399.712	566.564	20.340	10.338	1.294	0.221
2005	2473.242	3030.902	133.121	79.648	4.494	5.462	0.509
2006	3312.722	2121.951	150.212	6.219	2.007	0.074	0.000
2007	2298.412	1150.968	187.898	73.386	3.354	0.123	0.000
2008	14416.448	704.125	84.869	95.674	31.459	4.145	0.000
2009	9627.376	7323.184	142.831	65.586	20.246	5.023	0.214
2010	4171.341	7153.213	300.278	53.225	27.346	16.245	2.153
2011	12528.280	4410.681	449.948	171.817	39.717	10.334	4.959
2012	21032.804	11923.910	1014.296	100.801	30.171	4.260	0.000
2013	26235.707	4758.523	1539.876	170.857	16.368	7.232	1.090
2014	35801.890	6042.223	721.071	189.971	51.590	4.999	0.061
2015	1524.789	10457.642	303.122	66.519	37.821	15.951	1.571
2016	11812.914	2514.074	497.623	11.528	17.665	25.755	6.078
2017	21105.989	1559.950	380.932	114.241	7.800	4.153	2.843
2018	7183.336	13321.450	272.179	35.096	2.189	0.263	0.000
2019	826.561	8344.350	824.307	52.598	5.557	0.018	0.000
2020	3143.143	2501.133	335.946	146.024	42.186	10.364	0.537
2021	23357.280	1560.840	233.110	71.256	22.308	11.927	1.408
2022	9582.112	4408.346	281.233	12.490	1.273	0.058	0.000
2023	1878.393	1732.112	192.755	43.173	0.706	0.017	0.000

Table 3.13. Northeast Arctic COD. Tuning data

104

FLT15_I: NorBarTrSur_I

1981 2024

1 1 0.085 0.189

3 12

1 1640 2330 4000 3840 480 100 30 NA NA NA

1 2830 2770 2360 1550 1600 140 20 NA NA NA

1 2495 5234 4333 1696 582 321 97 NA NA NA

1 9749 2828 2144 1174 407 40 8 NA NA NA

1 16679 12598 1992 767 334 21 7 NA NA NA

1 80500 14393 6414 830 191 34 4 NA NA NA

1 24038 39115 5435 1570 200 45 3 NA NA NA

1 14803 8049 17331 2048 358 53 3 NA NA NA

1 4636 7586 3779 9019 982 94 10 NA NA NA

1 2835 3487 3459 2056 2723 161 38 NA NA NA

1 4585 3367 2565 2149 1215 1267 61 NA NA NA

1 15826 5771 1782 1283 767 429 272 NA NA NA

1 27389 14013 7248 1583 624 389 223 NA NA NA

1 29392 30704 15333 4572 795 261 148 55 55 13

1 28284 24236 25101 7642 1798 242 107 50 61 19

1 16308 11743 13859 10888 2443 264 37 17 12 16

1 31799 6844 7426 5999 2667 485 64 91 8 NA

1 35510 16694 3167 2615 1752 816 79 52 4 4

1 18848 18075 6139 1271 681 514 101 26 2 6

1 24581 13003 11173 2675 456 184 121 33 10 5

1 18279 19511 8290 3796 945 117 44 19 4 1

1 11836 13756 10895 4579 1440 220 32 18 5 2

1 37670 12631 9393 6688 1750 467 102 17 4 4

1 6388 18462 5346 4324 3059 685 165 28 7 2

1 24888 5506 10297 2238 1636 381 92 30 4 10

1 11649 11538 2832 4342 1372 524 136 24 18 18

1 36113 12773 6851 1365 2360 682 230 41 11 10

1 19437 30059 11190 4024 1734 811 179 36 3 3

1 12628 19670 22023 6069 1790 902 524 51 17 7

1 3681 11425 15480 14450 3956 1124 367 160 58 12

1 8540 5037 12970 13866 10351 1637 436 120 82 39

1 7572 6459 3371 9069 13258 4861 902 226 88 111

1 6884 11409 6318 4043 6454 7638 3352 222 287 84

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

FLT15_II: NorBarTrSur_II

2014 2024

1 1 0.085 0.189

3 12

1 22685 9379 8859 5639 3274 5305 3619 981 101 120

1 14407 22825 14729 11353 7443 2922 5351 1808 338 98

1 9937 13548 18831 11347 7233 2856 1317 1606 677 180

1 17925 6215 8454 9016 3782 2633 818 326 261 451

1 13941 18478 6181 6417 7388 2588 928 587 129 419

1 28157 17915 22190 7965 3296 3831 815 262 54 70

1 23773 16024 13156 11488 4983 2426 2044 453 166 243

1 11150 11935 11231 5428 3798 1357 727 353 125 103

1 5198 8868 8660 6651 4460 3042 570 229 208 255

1 4121 3982 4652 4317 3224 1426 749 158 34 35

1 19871 6331 3621 2996 2822 1615 890 268 37 20

FLT16: NorBarLofAcSur

1985 2024

1 1 0.085 0.26

3 12

1 1530 1416 204 151 157 33 13 10 5 NA

1 4996 1343 684 116 77 31 3 NA 4 NA

1 628 2049 502 174 14 30 7 NA NA NA

1 504 355 578 109 40 3 0 1 NA NA

1 170 344 214 670 166 32 5 2 NA NA

1 148 206 262 269 668 73 6 3 NA NA

1 502 346 293 339 367 500 37 2 2 NA

1 1765 658 215 184 284 254 824 43 17 NA

1 3572 1911 1131 354 255 252 277 442 49 NA

1 3239 3745 2293 961 234 118 103 42 187 29

1 1377 1395 2036 1016 281 47 45 29 26 81

1 994 896 1128 974 462 59 11 4 9 15

1 1586 442 503 459 510 215 23 7 1 8

1 3912 1898 449 415 349 271 51 10 2 1

1 1476 1303 523 139 118 187 99 10 2 1

1 2948 1673 1492 546 146 69 50 13 6 2

1 1774 1606 851 621 191 27 8 6 3 1

1 614 1062 1011 713 366 94 12 8 6 0

1 3067 1168 1271 1461 677 235 38 4 1 2

1 334 852 349 456 480 217 88 24 2 7

1 1250 333 693 341 438 180 75 18 1 3

1 648 538 186 420 176 159 87 23 3 10

1 585 304 308 129 466 151 80 33 9 4

1 1999 2887 1166 789 248 352 55 28 17 7

1 1078 1825 1415 560 415 128 266 36 17 4

1 228 880 1614 1750 618 314 108 125 40 29

1 404 283 674 1595 2727 645 233 68 75 9

1 828 494 344 895 2266 1335 257 104 38 28

1 606 845 724 541 1336 2338 1617 215 111 88

1 2869 1242 1115 777 553 1490 1739 980 146 105

1 1387 2356 1300 1442 964 498 969 686 325 127

1 563 769 1199 664 594 409 356 565 344 286

1 1115 424 444 742 486 484 268 167 146 230

1 1090 1499 540 584 775 456 193 141 61 137

1 2036 1254 1446 639 493 739 273 218 65 111

1 1173 1173 819 943 506 509 495 195 84 80

1 649 591 558 402 369 163 114 143 82 34

1 294 530 570 504 476 345 116 68 53 39

1 287 265 336 346 278 183 135 32 17 15

1 1507 510 299 286 304 265 185 59 11 2

FLT18: RusSweptArea

1982 2024

1 1 0.9 1

3 12

1 1413 1525 721 198 551 174 37 19 15.1 1.5

1 520 642 506 358 179 252 94 NA NA NA

1 1189 700 489 357 154 69 61 17 14.6 7.4

1 1188 1592 1068 365 165 37 8 16 1.5 20.9

1 1622 1532 1493 481 189 42 2 6 NA NA

1 557 3076 900 701 184 60 25 4 0.7 3.3

1 993 938 2879 583 260 47 24 NA NA NA

1 490 978 1062 1454 1167 299 112 47 18.5 11.7

1 167 487 627 972 1538 673 153 49 9.1 1.7

1 1077 484 532 583 685 747 98 14 2.6 NA

1 675 308 239 273 218 175 25 25 4.0 0.1

1 1604 1135 681 416 354 87 3 7 0.6 0.7

1 1363 1309 1019 354 128 49 21 11 5.7 2.2

1 589 1065 1395 849 251 83 19 18 9.5 5.8

1 733 784 1035 773 348 132 19 5 12.0 1.6

1 1342 835 613 602 348 116 32 30 NA NA

1 2028 1363 788 470 259 130 48 5 NA 0.9

1 1587 2072 980 301 123 94 42 4 NA NA

1 1839 1286 1786 773 114 52 23 9 3.9 0.4

1 1224 1557 1290 1061 304 50 14 5 25.4 13.1

1 980 1473 1473 896 600 182 29 8 0.8 0.5

1 1246 1057 1166 1203 535 241 40 9 3.1 1.1

1 329 1576 880 1111 776 279 93 23 3.6 2.5

1 1408 631 1832 744 605 244 88 28 6.4 1.1

1 927 1613 777 1801 662 342 161 43 17.5 7.4

1 2579 1617 1903 846 1525 553 226 86 49.0 18.5

1 2203 3088 1635 1472 830 863 291 115 33.0 19.0

1 974 2317 3687 2016 1175 620 413 205 65.0 41.0

1 334 1070 2505 3715 1817 789 395 299 155.9 75.2

1 882 508 1432 3065 3300 917 439 176 175.5 105.4

1 815 1114 839 2122 3358 1878 432 195 45.7 76.3

1 747 1174 1177 884 2349 3132 1367 306 92.4 98.5

1 1399 1368 1725 1483 1111 1929 1297 383 93.4 55.1

1 657 1583 1742 1932 1610 925 1158 761 241.6 113.6

1 NA NA NA NA NA NA NA NA NA NA

1 1456 884 1063 1952 1231 567 266 120 119.8 103.8

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

1 NA NA NA NA NA NA NA NA NA NA

FLT007: Ecosystem_2018corr

2004 2023

1 1 0.65 0.75

3 12

1 1477 4215 1502 798 402 101 22 5 1.3 2

1 2166 558 1009 280 156 57 12 5 1.2 0.5

1 1861 2056 599 698 176 81 26 6 2.5 0.4

1 5862 1592 791 246 269 60 22 9 1.5 2.4

1 6526 4834 1323 511 128 175 33 9 2.3 3.9

1 2023 2806 2896 1017 319 127 73 26 8.1 5.1

1 568 1770 3972 4249 1427 385 105 68 15.9 6.2

1 1236 1015 2402 3004 1784 323 77 18 13.4 8.7

1 2291 1464 700 1508 1652 845 127 44 15.5 20.8

1 2491 1836 1257 632 1182 1302 538 91 33.2 24.6

1 NA NA NA NA NA NA NA NA NA NA

1 1744 2252 1413 726 486 262 353 266 78.7 27

1 772 937 1216 701 444 272 138 132 54.2 30.2

1 3750 1415 1049 1209 626 280 112 64 44.5 71.7

1 NA NA NA NA NA NA NA NA NA NA

1 4166 2323 2151 766 422 444 161 49 21.9 29.5

1 1395 1356 934 829 308 142 107 31 10.3 14.8

1 847 998 811 457 336 124 47 50 23.8 16.8

1 NA NA NA NA NA NA NA NA NA NA

1 699 401 571 527 450 233 93 22 8.0 8.9

Table 3.14. Parameters settings used in SAM run

# Where a matrix is specified rows corresponds to fleets and columns to ages.

# Same number indicates same parameter used

# Numbers (integers) starts from zero and must be consecutive

#

$minAge

# The minimium age class in the assessment

3

$maxAge

# The maximum age class in the assessment

15

$maxAgePlusGroup

# Is last age group considered a plus group (1 yes, or 0 no).

1 1 1 1 1 1

$keyLogFsta

# Coupling of the fishing mortality states (nomally only first row is used).

0 1 2 3 4 5 6 7 8 9 10 11 11

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

$corFlag

# Correlation of fishing mortality across ages (0 independent, 1 compound symmetry, or 2 AR(1)

0

$keyLogFpar

# Coupling of the survey catchability parameters (nomally first row is not used, as that is covered by fishing mortality).

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

0 1 2 3 4 5 6 7 8 8 -1 -1 -1

9 10 11 12 13 14 15 16 17 17 -1 -1 -1

18 19 20 21 22 23 24 25 26 26 -1 -1 -1

27 28 29 30 31 32 33 34 35 35 -1 -1 -1

36 37 38 39 40 41 42 43 44 44 -1 -1 -1

$keyQpow

# Density dependent catchability power parameters (if any).

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

$keyVarF

# Coupling of process variance parameters for log(F)-process (nomally only first row is used)

0 1 1 1 1 1 1 1 1 1 1 1 1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

$keyVarLogN

# Coupling of process variance parameters for log(N)-process

0 1 1 1 1 1 1 1 1 1 1 1 1

$keyVarObs

# Coupling of the variance parameters for the observations.

0 1 2 2 2 2 2 2 3 3 4 4 4

5 6 6 6 6 7 7 7 7 7 -1 -1 -1

5 6 6 6 6 7 7 7 7 7 -1 -1 -1

8 8 8 8 8 8 9 9 9 9 -1 -1 -1

10 10 10 10 10 10 11 11 11 11 -1 -1 -1

12 12 12 12 12 12 12 12 12 12 -1 -1 -1

$obsCorStruct

# Covariance structure for each fleet ("ID" independent, "AR" AR(1), or "US" for unstructured). | Possible values are: "ID" "AR" "US"

"ID" "AR" "AR" "AR" "AR" "AR"

$keyCorObs

# Coupling of correlation parameters can only be specified if the AR(1) structure is chosen above.

# NA's indicate where correlation parameters can be specified (-1 where they cannot).

#3-4 4-5 5-6 6-7 7-8 8-9 9-10 10-11 11-12 12-13 13-14 14-15

NA NA NA NA NA NA NA NA NA NA NA NA

0 0 0 0 1 1 2 2 3 -1 -1 -1

0 0 0 0 1 1 2 2 3 -1 -1 -1

4 4 4 5 6 6 6 7 8 -1 -1 -1

9 9 9 9 9 10 10 10 11 -1 -1 -1

12 12 12 13 13 13 14 14 15 -1 -1 -1

$stockRecruitmentModelCode

# Stock recruitment code (0 for plain random walk, 1 for Ricker, and 2 for Beverton-Holt).

0

$noScaledYears

# Number of years where catch scaling is applied.

0

$keyScaledYears

# A vector of the years where catch scaling is applied.

$keyParScaledYA

# A matrix specifying the couplings of scale parameters (nrow = no scaled years, ncols = no ages).

$fbarRange

# lowest and higest age included in Fbar

5 10

$keyBiomassTreat

# To be defined only if a biomass survey is used (0 SSB index, 1 catch index, and 2 FSB index).

-1 -1 -1 -1 -1 -1

$obsLikelihoodFlag

# Option for observational likelihood | Possible values are: "LN" "ALN"

"LN" "LN" "LN" "LN" "LN" "LN"

$fixVarToWeight

# If weight attribute is supplied for observations this option sets the treatment (0 relative weight, 1 fix variance to weight).

0

SAM May 29 15:23:46 2024

Table 3.15. Northeast Arctic cod. Fishing mortality

Year_age	3	4	5	6	7	8	9	10	11	12	13	14	+gp	FBAR5-10
1946	0.003	0.020	0.069	0.137	0.270	0.248	0.379	0.396	0.572	0.563	0.626	0.648	0.648	0.250
1947	0.002	0.021	0.090	0.187	0.387	0.294	0.450	0.446	0.692	0.635	0.689	0.781	0.781	0.309
1948	0.001	0.021	0.095	0.220	0.464	0.346	0.512	0.450	0.713	0.695	0.741	0.922	0.922	0.348
1949	0.002	0.030	0.138	0.301	0.473	0.367	0.459	0.476	0.771	0.752	0.788	1.028	1.028	0.369
1950	0.002	0.043	0.163	0.314	0.436	0.363	0.481	0.538	0.838	0.855	0.816	1.149	1.149	0.382
1951	0.010	0.078	0.231	0.343	0.445	0.392	0.496	0.567	0.781	0.866	0.841	1.197	1.197	0.413
1952	0.014	0.103	0.277	0.430	0.475	0.408	0.523	0.639	0.843	0.920	0.844	1.199	1.199	0.459
1953	0.021	0.112	0.251	0.360	0.402	0.373	0.473	0.612	0.813	0.823	0.799	1.021	1.021	0.412
1954	0.017	0.116	0.268	0.384	0.424	0.357	0.489	0.707	0.831	0.823	0.790	0.929	0.929	0.438
1955	0.015	0.108	0.295	0.494	0.497	0.509	0.565	0.751	0.895	0.866	0.790	0.862	0.862	0.518
1956	0.018	0.122	0.349	0.581	0.559	0.598	0.589	0.740	0.892	0.986	0.824	0.804	0.804	0.570
1957	0.020	0.137	0.291	0.529	0.548	0.588	0.536	0.674	0.880	0.914	0.821	0.719	0.719	0.528
1958	0.036	0.181	0.359	0.543	0.540	0.511	0.508	0.692	0.829	0.879	0.721	0.630	0.630	0.526
1959	0.036	0.203	0.425	0.524	0.526	0.527	0.552	0.721	0.786	0.801	0.708	0.644	0.644	0.546
1960	0.037	0.212	0.406	0.510	0.495	0.546	0.523	0.755	0.854	0.802	0.698	0.711	0.711	0.539
1961	0.039	0.225	0.491	0.576	0.546	0.644	0.696	0.849	0.897	0.863	0.742	0.748	0.748	0.634
1962	0.037	0.224	0.584	0.750	0.633	0.683	0.796	1.009	0.935	0.845	0.775	0.738	0.738	0.743
1963	0.023	0.194	0.584	0.800	0.759	0.773	0.893	1.083	1.080	0.851	0.802	0.735	0.735	0.815
1964	0.018	0.159	0.412	0.554	0.585	0.700	0.934	0.883	0.978	0.802	0.881	0.755	0.755	0.678
1965	0.023	0.143	0.364	0.459	0.472	0.589	0.785	0.798	0.805	0.670	0.891	0.758	0.758	0.578
1966	0.031	0.140	0.286	0.388	0.469	0.600	0.752	0.790	0.713	0.655	0.799	0.675	0.675	0.548
1967	0.029	0.155	0.265	0.329	0.463	0.639	0.828	0.811	0.771	0.665	0.792	0.610	0.610	0.556
1968	0.025	0.176	0.356	0.433	0.495	0.633	0.847	0.832	0.747	0.600	0.799	0.631	0.631	0.599
1969	0.026	0.182	0.404	0.482	0.630	0.811	1.006	0.922	0.835	0.631	0.757	0.620	0.620	0.709
1970	0.034	0.164	0.376	0.468	0.589	0.824	0.996	0.933	0.796	0.577	0.713	0.631	0.631	0.698
1971	0.029	0.155	0.306	0.355	0.505	0.810	0.981	0.920	0.801	0.604	0.691	0.617	0.617	0.646
1972	0.049	0.183	0.333	0.402	0.427	0.719	1.058	1.013	0.895	0.652	0.745	0.636	0.636	0.659
1973	0.139	0.226	0.386	0.439	0.459	0.698	0.921	0.861	0.845	0.673	0.757	0.621	0.621	0.627
1974	0.165	0.296	0.481	0.520	0.509	0.622	0.667	0.870	0.910	0.714	0.892	0.629	0.629	0.611
1975	0.113	0.277	0.507	0.622	0.641	0.729	0.721	0.728	0.937	0.778	0.952	0.599	0.599	0.658
1976	0.146	0.307	0.530	0.615	0.687	0.852	0.874	0.672	0.796	0.821	0.942	0.676	0.676	0.705
1977	0.131	0.335	0.634	0.678	0.707	0.901	1.128	0.857	0.894	0.811	1.052	0.810	0.810	0.818
1978	0.114	0.253	0.571	0.737	0.767	0.893	1.219	0.946	1.303	1.008	1.198	0.916	0.916	0.856
1979	0.055	0.202	0.410	0.622	0.711	0.804	1.094	0.992	1.295	1.095	1.124	1.009	1.009	0.772
1980	0.037	0.158	0.345	0.628	0.723	0.809	0.998	1.057	1.230	0.997	1.161	0.907	0.907	0.760
1981	0.031	0.141	0.283	0.581	0.784	0.973	1.159	0.976	1.071	0.937	1.044	0.836	0.836	0.793
1982	0.041	0.158	0.286	0.641	0.841	0.919	1.132	0.827	0.823	0.925	0.866	0.823	0.823	0.774
1983	0.027	0.164	0.300	0.549	0.903	1.080	1.068	0.848	0.714	0.726	0.802	0.866	0.866	0.791
1984	0.023	0.156	0.331	0.582	1.063	1.167	1.167	0.899	0.747	0.702	0.671	0.892	0.892	0.868
1985	0.039	0.162	0.390	0.667	0.945	1.149	0.930	0.779	0.758	0.655	0.594	0.950	0.950	0.810
1986	0.031	0.171	0.456	0.766	0.907	1.144	0.926	1.042	0.887	0.852	0.587	1.072	1.072	0.874
1987	0.039	0.155	0.470	0.828	1.013	1.117	0.893	1.249	0.976	1.002	0.636	1.255	1.255	0.928
1988	0.035	0.128	0.335	0.637	0.937	1.018	1.027	1.354	0.960	0.916	0.730	1.214	1.214	0.885
1989	0.031	0.107	0.252	0.457	0.644	0.835	0.818	1.001	0.755	0.710	0.697	1.430	1.430	0.668
1990	0.019	0.093	0.178	0.308	0.416	0.500	0.550	0.590	0.654	0.611	0.626	1.311	1.311	0.424
1991	0.020	0.101	0.212	0.343	0.435	0.471	0.505	0.483	0.496	0.593	0.571	1.264	1.264	0.408
1992	0.025	0.114	0.279	0.429	0.528	0.556	0.565	0.562	0.517	0.701	0.541	1.254	1.254	0.487
1993	0.014	0.110	0.315	0.522	0.618	0.658	0.694	0.715	0.690	0.828	0.677	1.226	1.226	0.587
1994	0.012	0.110	0.322	0.596	0.924	0.916	0.875	0.855	0.915	0.935	0.776	1.213	1.213	0.748
1995	0.014	0.117	0.323	0.605	0.932	0.895	0.950	0.924	1.010	0.963	0.854	1.125	1.125	0.772
1996	0.021	0.134	0.353	0.617	0.883	0.939	0.853	1.102	0.961	0.960	0.922	1.032	1.032	0.791
1997	0.022	0.169	0.447	0.684	0.895	1.202	1.128	1.271	1.029	1.018	0.921	0.936	0.936	0.938
1998	0.027	0.182	0.474	0.712	0.852	1.161	1.136	1.317	1.052	0.897	0.830	0.787	0.787	0.942
1999	0.015	0.150	0.464	0.682	0.869	1.101	1.224	1.299	0.956	0.883	0.693	0.697	0.697	0.940
2000	0.009	0.115	0.364	0.587	0.831	1.019	1.109	1.185	0.848	0.902	0.555	0.680	0.680	0.849
2001	0.009	0.096	0.294	0.532	0.755	0.926	0.890	1.051	0.736	0.770	0.444	0.716	0.716	0.741
2002	0.008	0.091	0.276	0.520	0.775	0.887	0.840	0.794	0.628	0.731	0.391	0.679	0.679	0.682
2003	0.010	0.089	0.284	0.473	0.729	0.812	0.776	0.748	0.572	0.633	0.364	0.647	0.647	0.637
2004	0.010	0.090	0.293	0.499	0.770	0.857	0.897	0.952	0.642	0.676	0.345	0.544	0.544	0.711
2005	0.011	0.102	0.318	0.516	0.742	0.869	0.956	0.897	0.677	0.747	0.348	0.491	0.491	0.716
2006	0.016	0.102	0.281	0.441	0.621	0.742	0.811	0.796	0.678	0.773	0.377	0.580	0.580	0.615
2007	0.018	0.091	0.241	0.348	0.451	0.545	0.566	0.542	0.646	0.751	0.389	0.507	0.507	0.449
2008	0.011	0.069	0.162	0.276	0.371	0.450	0.491	0.448	0.593	0.702	0.406	0.422	0.422	0.366
2009	0.010	0.058	0.132	0.221	0.320	0.357	0.464	0.378	0.541	0.757	0.449	0.365	0.365	0.312
2010	0.009	0.049	0.106	0.178	0.284	0.381	0.399	0.429	0.611	0.623	0.516	0.340	0.340	0.296
2011	0.006	0.048	0.105	0.161	0.257	0.356	0.454	0.545	0.577	0.527	0.504	0.282	0.282	0.313
2012	0.006	0.047	0.118	0.161	0.243	0.329	0.426	0.495	0.564	0.490	0.480	0.275	0.275	0.295
2013	0.007	0.048	0.122	0.189	0.271	0.366	0.454	0.530	0.577	0.500	0.466	0.306	0.306	0.322
2014	0.008	0.054	0.142	0.228	0.315	0.396	0.428	0.529	0.613	0.548	0.487	0.333	0.333	0.340
2015	0.010	0.056	0.150	0.269	0.327	0.398	0.371	0.517	0.761	0.624	0.523	0.368	0.368	0.339
2016	0.009	0.053	0.149	0.258	0.344	0.422	0.414	0.568	0.844	0.690	0.584	0.420	0.420	0.359
2017	0.010	0.058	0.154	0.274	0.361	0.483	0.481	0.605	0.920	0.776	0.653	0.464	0.464	0.393
2018	0.012	0.062	0.161	0.271	0.374	0.468	0.529	0.661	0.895	0.865	0.726	0.491	0.491	0.411
2019	0.009	0.066	0.163	0.261	0.385	0.511	0.537	0.717	0.863	0.882	0.744	0.487	0.487	0.429
2020	0.010	0.069	0.176	0.290	0.420	0.541	0.632	0.813	0.930	0.914	0.785	0.480	0.480	0.479
2021	0.013	0.077	0.214	0.358	0.492	0.586	0.756	0.959	0.961	1.047	0.840	0.482	0.482	0.561
2022	0.030	0.098	0.253	0.400	0.491	0.593	0.759	0.998	1.113	1.222	0.899	0.428	0.428	0.582
2023	0.047	0.111	0.250	0.380	0.467	0.608	0.757	1.070	1.125	1.275	0.874	0.386	0.386	0.589
Mean 2021-2023	0.030	0.095	0.239	0.379	0.483	0.596	0.757	1.009	1.066	1.181	0.871	0.432

SAM Wed May 29 15:23:46 2024

Table 3.16. Northeast Arctic COD Stock number-at-age (Thous)

Year_age	3	4	5	6	7	8	9	10	11	12	13	14	+gp	TOTAL
1946	1130233	675382	371790	171846	78290	84492	227481	80771	36055	30512	18876	8117	1995	2915838
1947	591326	677104	497853	298121	133484	53539	56348	132793	45806	17357	14614	8429	4506	2531281
1948	451445	339052	462772	346442	206762	75339	34926	29934	69636	18419	7644	6064	4961	2053397
1949	632170	292487	264623	354130	229166	103977	42971	16913	15969	28223	7444	2996	3599	1994667
1950	1020622	398481	231051	187664	208610	114842	57067	22806	8657	6118	11057	2743	1937	2271655
1951	2411969	774897	311756	177887	114891	111007	65972	28226	10910	2984	2094	4025	1197	4017815
1952	2316011	1130311	460653	190153	115837	61780	61037	33217	13121	4216	1025	730	1279	4389369
1953	2400790	1111650	638922	245352	91156	60037	33175	28535	13943	4525	1348	356	480	4630268
1954	832049	1380660	708239	387849	137883	49039	34631	17302	12915	5054	1646	496	245	3568009
1955	384305	551413	920908	434179	223694	74977	30566	18096	6941	4691	1835	616	240	2652462
1956	752521	246808	395197	550374	211780	112681	35638	14597	7021	2283	1654	690	298	2331542
1957	1430781	408080	151546	209100	238296	94860	49100	15408	5683	2355	668	595	362	2606833
1958	929342	715310	250138	95854	100423	109358	40982	23275	6428	1912	779	230	380	2274410
1959	1310632	486619	428363	141352	47129	47674	54762	20184	9516	2300	640	318	268	2549758
1960	1473685	625097	253662	208007	69473	23057	22998	25334	8046	3641	862	257	261	2714379
1961	1541584	705041	347642	134399	102625	36293	11320	12024	9808	2789	1371	360	209	2905465
1962	1249285	808614	390760	168465	64340	49249	15627	4559	4397	3278	943	540	221	2760276
1963	909205	702558	455313	165603	62671	28803	20757	5755	1329	1465	1159	352	300	2355270
1964	473764	412416	370078	179363	54823	21598	10559	6925	1519	351	514	432	257	1532599
1965	880243	251325	259326	200200	83134	23795	8204	3221	2387	451	123	172	266	1712846
1966	1844090	567763	167141	144903	106293	44082	10959	3046	1180	894	192	40	163	2890745
1967	1310906	1270917	397018	106400	80587	55322	20421	4379	1136	491	388	72	82	3248120
1968	182428	1012822	889592	279539	72348	42283	23745	7295	1619	422	206	145	70	2512514
1969	110961	137641	702719	495089	154408	41021	19619	8554	2638	651	194	75	95	1673664
1970	207795	86264	88130	368846	238187	64448	15100	5827	2766	915	281	75	75	1078709
1971	406859	146547	58079	45523	174417	103303	22561	4581	1862	1030	428	113	65	965367
1972	1052424	314048	105485	37358	27304	81802	36135	6969	1528	696	465	181	80	1664473
1973	1711725	752849	212662	63977	21252	15868	32375	9744	1982	500	297	180	114	2823524
1974	566788	1197630	515780	123095	35423	11342	6628	10170	3411	701	207	117	130	2471423
1975	607022	366386	669223	258194	61541	18466	5371	3069	3313	1120	283	68	109	1994166
1976	600127	444290	227174	311819	108450	26025	7500	2269	1297	1004	418	89	82	1730545
1977	371249	412546	272840	112792	137091	43303	8835	2625	1046	522	348	136	73	1363405
1978	625497	247351	218075	112306	47537	55754	14036	2250	896	383	206	99	77	1324467
1979	204057	448135	155349	90795	40819	17643	18406	3268	697	187	115	51	57	979579
1980	131441	156405	301972	87124	39225	16113	6538	5038	981	154	48	31	31	745103
1981	144740	103354	113159	174665	38014	15649	6030	2070	1396	231	47	12	20	599387
1982	182264	125716	83686	63945	81819	15217	4644	1520	640	380	74	13	11	559928
1983	140731	136554	92251	51912	28867	28244	4899	1236	567	229	119	26	9	485643
1984	441833	114911	83614	54196	24638	10635	7704	1353	438	241	94	42	12	739712
1985	528650	384971	82056	45025	24333	6372	2799	1913	438	165	100	41	18	1076880
1986	1361054	402065	243536	46408	19154	7440	1602	1006	751	176	73	46	19	2083332
1987	355144	997896	255127	109493	16420	6841	1792	573	287	255	61	35	19	1743942
1988	331994	237875	592196	118968	32991	5002	1734	627	134	90	73	27	12	1321724
1989	158526	228126	147935	305205	54954	9880	1479	486	126	40	29	27	10	906821
1990	132617	129135	130038	95741	142094	22824	2913	534	137	48	16	11	7	656113
1991	299280	126888	98052	86360	61750	81977	11416	1376	248	55	22	7	4	767434
1992	714113	271783	101122	69263	48817	33853	46269	6025	799	132	25	10	3	1292213
1993	986989	503101	240654	72783	36783	23574	15460	23776	2997	429	57	13	3	1906620
1994	749130	732747	398885	146928	39011	15934	10622	6347	9677	1301	158	24	4	2110769
1995	536724	491918	523726	232006	63182	12460	5307	3422	2194	3172	416	60	7	1874593
1996	400745	302670	335880	283629	104290	19826	4291	1582	1110	615	1001	144	18	1455801
1997	772850	207462	203965	182951	120264	37543	6295	1646	436	337	192	328	47	1534316
1998	1043689	471407	126205	97679	71065	41752	9494	1624	356	130	95	61	119	1863675
1999	622788	597860	262948	62284	32933	26114	11603	2516	343	98	45	33	68	1619632
2000	745072	408625	375066	122272	24448	11238	7407	2640	578	108	33	19	41	1697546
2001	590310	533117	290991	184957	52005	8982	3401	1929	662	198	35	15	25	1666626
2002	374816	429975	368283	186265	82224	20322	3088	1174	561	248	77	18	16	1467067
2003	758231	287940	288182	235679	84483	30267	6729	1123	438	260	95	44	14	1693486
2004	242815	577192	214954	183065	116213	33870	10909	2612	467	219	123	54	25	1382518
2005	692086	186024	407216	136528	94257	39126	11189	3909	812	201	94	76	37	1571555
2006	538831	468194	141276	232695	68654	33902	13517	3337	1298	354	78	57	63	1502255
2007	1255333	439298	305131	89157	119919	30244	12551	4455	1165	544	137	43	57	2258033
2008	1015424	975699	337003	168673	53003	62620	15383	5635	1915	524	206	77	49	2636211
2009	591345	795862	744298	249723	89506	33524	28863	7765	3004	915	218	111	68	2545203
2010	206731	461588	654037	551757	167652	54247	18913	14606	4550	1567	338	117	103	2136206
2011	365681	183969	382561	537521	388162	86085	31244	10587	8000	1981	723	156	128	1996795
2012	510602	279003	148245	317904	405897	220336	44905	15967	5184	3745	963	366	173	1953290
2013	469476	373162	227977	129922	242135	264468	135519	23139	8382	2397	1895	489	349	1879308
2014	849995	356579	299576	183518	102243	169767	146198	65255	11113	3763	1173	974	512	2190667
2015	449183	569220	300617	215625	132543	68126	97324	74461	30171	5100	1749	586	879	1945583
2016	283071	312961	418760	217056	136472	76691	43897	53386	34522	11444	2233	842	834	1592168
2017	760664	236388	227647	288518	146702	79104	41303	24244	23053	12569	4702	1019	892	1846805
2018	486272	528617	187164	160041	186504	86193	40178	21784	10862	7353	4652	1975	960	1722555
2019	622063	361216	384899	149354	91769	107377	46062	19572	9154	3703	2444	1786	1408	1800808
2020	529571	419747	276166	250300	100971	53890	54483	22319	8196	3236	1262	936	1521	1722598
2021	368238	337201	311798	194154	147400	53501	26777	23392	8684	2705	1082	471	1184	1476589
2022	182355	242396	241576	197622	121961	75017	23881	10445	7018	2647	780	384	784	1106866
2023	231028	138420	160897	141401	111521	62875	33940	9225	3171	1805	615	254	595	895748
2024	577881	167206	101584	91913	80106	55649	29258	12898	2596	817	406	208	463	1120984

SAM Wed May 29 15:23:46 2024

Table 3.17. Northeast Arctic COD. Natural mortality used in final run

Year_age	3	4	5	6	7	8	9	10	11	12	13	14	+gp
1946	0.490	0.304	0.226	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1947	0.544	0.325	0.231	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1948	0.493	0.305	0.226	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1949	0.434	0.282	0.221	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1950	0.316	0.236	0.210	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1951	0.724	0.394	0.247	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1952	0.715	0.391	0.246	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1953	0.537	0.322	0.230	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1954	0.388	0.264	0.217	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1955	0.406	0.271	0.218	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1956	0.590	0.343	0.235	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1957	0.725	0.395	0.247	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1958	0.562	0.332	0.233	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1959	0.713	0.390	0.246	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1960	0.704	0.387	0.245	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1961	0.609	0.350	0.237	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1962	0.520	0.315	0.229	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1963	0.788	0.419	0.253	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1964	0.603	0.348	0.236	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1965	0.416	0.275	0.219	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1966	0.353	0.251	0.214	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1967	0.271	0.219	0.206	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1968	0.224	0.201	0.202	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1969	0.206	0.200	0.200	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1970	0.293	0.227	0.208	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1971	0.256	0.213	0.205	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1972	0.323	0.239	0.211	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1973	0.217	0.200	0.201	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1974	0.217	0.200	0.201	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1975	0.232	0.204	0.203	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1976	0.224	0.200	0.202	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1977	0.249	0.210	0.204	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1978	0.234	0.205	0.203	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1979	0.208	0.200	0.201	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1980	0.200	0.200	0.200	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1981	0.200	0.200	0.200	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1982	0.200	0.200	0.200	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1983	0.203	0.200	0.200	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1984	0.201	0.200	0.219	0.210	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1985	0.204	0.224	0.200	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1986	0.270	0.216	0.252	0.231	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1987	0.256	0.236	0.219	0.271	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1988	0.222	0.211	0.242	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1989	0.200	0.230	0.200	0.233	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1990	0.200	0.200	0.207	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1991	0.200	0.200	0.200	0.208	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1992	0.207	0.200	0.200	0.203	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1993	0.241	0.200	0.200	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1994	0.348	0.261	0.215	0.220	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1995	0.530	0.314	0.227	0.202	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1996	0.524	0.327	0.243	0.217	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1997	0.421	0.269	0.241	0.226	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1998	0.428	0.273	0.218	0.267	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
1999	0.264	0.233	0.237	0.223	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2000	0.248	0.212	0.243	0.226	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2001	0.236	0.220	0.200	0.231	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2002	0.278	0.212	0.200	0.224	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2003	0.239	0.200	0.200	0.212	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2004	0.250	0.215	0.200	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2005	0.297	0.212	0.215	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2006	0.203	0.228	0.200	0.207	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2007	0.247	0.200	0.247	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2008	0.258	0.213	0.200	0.233	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2009	0.274	0.209	0.200	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2010	0.297	0.234	0.207	0.201	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2011	0.424	0.310	0.200	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2012	0.378	0.298	0.200	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2013	0.392	0.234	0.204	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2014	0.369	0.292	0.212	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2015	0.355	0.259	0.233	0.206	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2016	0.216	0.253	0.261	0.216	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2017	0.390	0.217	0.214	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2018	0.268	0.212	0.200	0.218	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2019	0.293	0.211	0.213	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2020	0.440	0.229	0.200	0.210	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2021	0.430	0.266	0.230	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2022	0.265	0.223	0.215	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
2023	0.332	0.202	0.222	0.200	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2

SAM Wed May 29 15:23:46 2024

Table 3.18. Northeast Arctic COD. Summary table

Year	RECRUITS	TOTALBIO	TOTSPBIO	LANDINGS	YIELD/SSB	FBAR 5-10
1946	1130233	3935180	952985	706000	0.741	0.250
1947	591326	3386475	902641	882017	0.977	0.309
1948	451445	3356715	784654	774295	0.987	0.348
1949	632170	2896946	594887	800122	1.345	0.369
1950	1020622	2795419	535869	731982	1.366	0.382
1951	2411969	3692064	495077	827180	1.671	0.413
1952	2316011	4110119	488765	876795	1.794	0.459
1953	2400790	4090773	412395	695546	1.687	0.412
1954	832049	4197512	408300	826021	2.023	0.438
1955	384305	3536136	327878	1147841	3.501	0.518
1956	752521	3318710	281174	1343068	4.777	0.570
1957	1430781	2814511	212263	792557	3.734	0.528
1958	929342	2357116	205421	769313	3.745	0.526
1959	1310632	2723988	434410	744607	1.714	0.546
1960	1473685	2351587	384829	622042	1.616	0.539
1961	1541584	2346756	386500	783221	2.026	0.634
1962	1249285	2172259	315322	909266	2.884	0.743
1963	909205	2008725	215906	776337	3.596	0.815
1964	473764	1511142	200247	437695	2.186	0.678
1965	880243	1459212	108045	444930	4.118	0.578
1966	1844090	2222881	121054	483711	3.996	0.548
1967	1310906	2735822	128761	572605	4.447	0.556
1968	182428	3282513	222997	1074084	4.817	0.599
1969	110961	2818930	148877	1197226	8.042	0.709
1970	207795	2163000	242004	933246	3.856	0.698
1971	406859	1661055	330344	689048	2.086	0.646
1972	1052424	1615131	353349	565254	1.600	0.659
1973	1711725	2280108	334153	792685	2.372	0.627
1974	566788	2176277	159026	1102433	6.932	0.611
1975	607022	2089076	133536	829377	6.211	0.658
1976	600127	1939165	167187	867463	5.189	0.705
1977	371249	1928027	335946	905301	2.695	0.818
1978	625497	1585938	227795	698715	3.067	0.856
1979	204057	1137294	180383	440538	2.442	0.772
1980	131441	853590	108436	380434	3.508	0.760
1981	144740	966706	161279	399038	2.474	0.793
1982	182264	751168	321325	363730	1.132	0.774
1983	140731	746879	311431	289992	0.931	0.791
1984	441833	830482	243534	277651	1.140	0.868
1985	528650	1000841	195541	307920	1.575	0.810
1986	1361054	1397885	163901	430113	2.624	0.874
1987	355144	1233243	114908	523071	4.552	0.928
1988	331994	1006657	191457	434939	2.272	0.885
1989	158526	956535	237314	332481	1.401	0.668
1990	132617	913000	303355	212000	0.699	0.424
1991	299280	1347064	635806	319158	0.502	0.408
1992	714113	1687381	801872	513234	0.640	0.487
1993	986989	2197863	698491	581611	0.833	0.587
1994	749130	2112773	568725	771086	1.356	0.748
1995	536724	1849957	532870	739999	1.389	0.772
1996	400745	1697388	551369	732228	1.328	0.791
1997	772850	1537459	546260	762403	1.396	0.938
1998	1043689	1350918	386165	592624	1.535	0.942
1999	622788	1199169	280597	484910	1.728	0.940
2000	745072	1223157	255138	414868	1.626	0.849
2001	590310	1477707	383239	426471	1.113	0.741
2002	374816	1594411	520404	535045	1.028	0.682
2003	758231	1682627	570813	551990	0.967	0.637
2004	242815	1568423	664368	606445	0.913	0.711
2005	692086	1516694	576671	641276	1.112	0.716
2006	538831	1539716	579579	537642	0.928	0.615
2007	1255333	1865207	644011	486883	0.756	0.449
2008	1015424	2553066	712366	464171	0.652	0.366
2009	591345	3091745	1001388	523430	0.523	0.312
2010	206731	3328980	1229135	609983	0.496	0.296
2011	365681	3552449	1782709	719830	0.404	0.313
2012	510602	3625094	1997429	727663	0.364	0.295
2013	469476	3695151	2211080	966209	0.437	0.322
2014	849995	3416507	2089429	986449	0.472	0.340
2015	449183	3243403	1676734	864384	0.516	0.339
2016	283071	2822461	1335743	849422	0.636	0.359
2017	760664	2754263	1363003	868276	0.637	0.393
2018	486272	2543558	1226591	778627	0.635	0.411
2019	622063	2421489	1161583	692609	0.596	0.429
2020	529571	2131600	923962	692903	0.750	0.479
2021	368238	1920246	792317	767284	0.968	0.561
2022	182355	1691782	674790	719211	1.066	0.582
2023	231028	1500905	709740	582552	0.821	0.589
Arith. Mean	718954	2193515	566280	673138	2.000	0.596

Table 3.19a. Northeast Arctic COD. Input for the short term prediction

2024
Age	N	M	Mat	PF	PM	SWT	Sel	CWT
3	587000	0.342	0	0	0	0.246	0.030	0.571
4	167206	0.230	0.003	0	0	0.706	0.095	0.987
5	101584	0.222	0.009	0	0	1.075	0.239	1.573
6	91913	0.200	0.091	0	0	1.803	0.379	2.296
7	80106	0.2	0.345	0	0	2.667	0.483	3.240
8	55649	0.2	0.709	0	0	3.995	0.596	4.541
9	29258	0.2	0.946	0	0	5.950	0.757	5.931
10	12898	0.2	0.982	0	0	7.011	1.009	7.100
11	2596	0.2	1	0	0	9.436	1.066	8.466
12	817	0.2	1	0	0	11.714	1.181	10.249
13	406	0.2	1	0	0	13.477	0.871	11.400
14	208	0.2	1	0	0	15.683	0.432	12.920
15	463	0.2	1	0	0	17.707	0.432	14.168
2025
Age	N	M	Mat	PF	PM	SWT	Sel	CWT
3	450000	0.342	0.007	0	0	0.263	0.030	0.563
4		0.230	0.008	0	0	0.611	0.095	0.920
5		0.222	0.013	0	0	1.194	0.239	1.505
6		0.200	0.081	0	0	1.816	0.379	2.252
7		0.2	0.400	0	0	2.883	0.483	3.190
8		0.2	0.719	0	0	3.998	0.596	4.471
9		0.2	0.877	0	0	5.838	0.757	6.002
10		0.2	0.963	0	0	7.754	1.009	7.237
11		0.2	1.000	0	0	8.873	1.066	8.424
12		0.2	1	0	0	11.324	1.181	9.938
13		0.2	1	0	0	13.823	0.871	11.662
14		0.2	1	0	0	15.672	0.432	12.801
15		0.2	1	0	0	17.936	0.432	14.296
2026
Age	N	M	Mat	PF	PM	SWT	Sel	CWT
3	375000	0.342	0.007	0	0	0.268	0.030	0.563
4		0.230	0.008	0	0	0.628	0.095	0.920
5		0.222	0.013	0	0	1.099	0.239	1.505
6		0.200	0.081	0	0	1.935	0.379	2.252
7		0.2	0.400	0	0	2.896	0.483	3.190
8		0.2	0.719	0	0	4.214	0.596	4.471
9		0.2	0.877	0	0	5.841	0.757	6.002
10		0.2	0.963	0	0	7.642	1.009	7.237
11		0.2	1.000	0	0	9.616	1.066	8.424
12		0.2	1	0	0	10.761	1.181	9.938
13		0.2	1	0	0	13.433	0.871	11.662
14		0.2	1	0	0	16.018	0.432	12.801
15		0.2	1	0	0	17.924	0.432	14.296

Table 3.19b. Northeast Arctic COD. Input for the short term prediction using RCT3

Yearclass	recruitment	BST1		BST2		BST3		BSA1	BSA2		BSA3
1982	529	NA		NA		NA		NA	NA		NA
1983	1361	NA		NA		NA		NA	NA		NA
1984	355	NA		NA		NA		NA	NA		NA
1985	332	NA		NA		NA		NA	NA		NA
1986	159	NA		NA		NA		NA	NA		NA
1987	133	NA		NA		NA		NA	NA		NA
1988	299	NA		NA		NA		NA	NA		NA
1989	714	NA		NA		NA		NA	NA		NA
1990	987	NA		NA		NA		NA	NA		NA
1991	749	NA		NA		294		NA	NA		324
1992	537	NA		557		283		NA	624		138
1993	401	1044		541		163		903	212		99
1994	773	5356		792		318		2175	272		159
1995	1044	5899		1423		355		1826	565		391
1996	623	5044		496		188		1698	475		148
1997	745	2491		350		246		2524	232		295
1998	590	473		242		183		365	263		177
1999	375	129		78		118		153	51		61
2000	758	713		419		377		364	209		307
2001	243	34		66		64		19	53