Tor Knutsen
Publications
Academic articles
2020
Dynamics of phytoplankton species composition, biomass and nutrients in the North Atlantic during spring and summer - A trans-Atlantic study
Deep-Sea Research Part II: Topical Studies in Oceanography
180
2020
Harp seal body condition and trophic interactions with prey in Norwegian high Arctic waters in early autumn
Progress in Oceanography
191
2020
Structure and functioning of four North Atlantic ecosystems - A comparative study
Deep-Sea Research Part II: Topical Studies in Oceanography
180
p. 1-13
2020
Vertical distribution and migration of mesopelagic scatterers in four north Atlantic basins
Deep-Sea Research Part II: Topical Studies in Oceanography
180
2020
Ecology of mesozooplankton across four North Atlantic basins
Deep-Sea Research Part II: Topical Studies in Oceanography
2019
Micronekton biomass distribution, improved estimates across four north Atlantic basins
Deep-sea research. Part II, Topical studies in oceanography
2019
Micronekton biomass distribution, improved estimates across four north Atlantic basins
Deep-Sea Research Part II: Topical Studies in Oceanography
p. 1-11
2019
Comparison of Juday and WP2 nets used in joint Norwegian–Russian monitoring of zooplankton in the Barents Sea
Journal of Plankton Research
41
p. 759-769
2018
Summer distribution and demography of Antarctic krill Euphausia superba Dana, 1852 (Euphausiacea) at the South Orkney Islands, 2011–2015
Journal of Crustacean Biology
38
p. 682-688
2018
Coincident mass occurrence of gelatinous zooplankton in Northern Norway
Frontiers in Marine Science
5
2018
Coincident Mass Occurrence of Gelatinous Zooplankton in Northern Norway
Front. Mar. Sci.
5
p. 1-26
2017
Evidence of diel vertical migration of mesopelagic sound-scattering organisms in the Arctic
Frontiers in Marine Science
4
2017
High Latitude Epipelagic and mesopelagic scattering layers-a reference for future Arctic ecosystem change
Frontiers in Marine Science
4
2017
Future harvest of living resources in the Arctic Ocean north of the Nordic and Barents Seas: A review of possibilities and constraints
Fisheries Research
188
p. 38-57
2015
An Antarctic krill (Euphausia superba) hotspot: population characteristics, abundance and vertical structure explored from a krill fishing vessel
Polar Biology
38
p. 1687-1700
2013
MESSOR – A towed underwater vehicle for quantifying and describing the distribution of pelagic organisms and their physical environment
IEEE Journal of Oceanic Engineering
2013
Intercomparison of zooplankton (net) sampling systems: Results from the ICES/GLOBEC sea-going workshop
Progress in Oceanography
108
p. 1-42
2013
Marine living resources of the Barents Sea – Ecosystem understanding and monitoring in a climate change perspective
Marine Biology Research
9
p. 932-947
2012
Multifrequency target strength of northern krill (Meganyctiphanes norvegica) swimming horizontally
ICES Journal of Marine Science
69
p. 119-130
2012
Climate effects on Barents Sea ecosystem dynamics
ICES Journal of Marine Science
69
p. 1303-1316
2012
Changes in Barents Sea ecosystem state, 1970-2009: climate fluctuations, human impact, and trophic interactions
ICES Journal of Marine Science
69
p. 880-889
2012
Antarctic krill swarm characteristics in the Southeast Atlantic sector of the Southern Ocean
Marine Ecology Progress Series
465
p. 69-83
2011
The joint Norwegian-Russian ecosystem survey: Overview and lessons learned
IMR/PINRO Joint Report Series
2011
p. 247-271
2010
Distribution and demography of Antarctic krill in the Southeast Atlantic sector of the Southern Ocean during the austral summer 2008
Polar Biology
33
p. 957-968
2009
Combining multibeam-sonar and multifrequency-echosounder data: examples of the analysis and imaging of large euphausiid schools
ICES Journal of Marine Science
66
p. 991-997
2006
Joint PINRO/IMR report on the state of teh Barents Sea Ecosystem 2005-2006
IMR/PINRO Joint Report Series
3
2004
Influence of seismic shooting on the lesser sandeel (Ammodytes marinus)
ICES Journal of Marine Science
61
p. 1165-1173
2001
Determining the mass density of marine copepods and their eggs with a critical focus on some of the previously used methods
Journal of Plankton Research
23
p. 859-873
1995
An Assessment of the Immediate Effect of the Braer Oil-Spill on the Growth of Herring Larvae using Otolith Microstructure Analysis
Marine Pollution Bulletin
30
p. 536-542
Posters
2018
Distribution and composition of mesopelagic macroplankton and micronekton in the North-east Atlantic.
2018
Deep Scattering Layers at the Svalbard Gateway to the Arctic Ocean
2018
Distribution and composition of mesopelagic macroplankton and micronekton in the North-east Atlantic
2016
Biogeography and biomass of North Atlantic jellyfish
2016
An Antarctic krill (Euphausia superba) hotspot - population characteristics, abundance and vertical structure explored from a krill fishing vessel
2016
Does an acoustic deep scattering layer show diel vertical migration in the Arctic?
2015
Baseline acoustic scattering structures - potential indicators to Arctic Ecosystem Change?
2015
Patterns in macrozooplankton and micronekton biomass distribution across four north Atlantic ocean basins
2012
Temporal variation in demography of Antarctic krill from the Scotia Sea, 2007-2009
2011
Fine scale structure of the physics and biology of the Arctic front in the Norwegian Sea - emphasizing Calanus spp distribution and production
2010
patterns in plankton and nekton community structure in relation to environmental factors in the Atlantic sector of the Southern Ocean
2010
Antarctic krill distribution and demography in the CCAMLR area 48.6, Southern Ocean
2009
The Joint Barents Sea Ecosystem Survey; Climate impacts on pelagic species distribution and interactions
2007
Ecosystem approach to Barents Sea Eology:spatial and trophic relationships
2006
Barents Sea Ecosystem Biomass
Mediebidrag
2017
Et varmere Arktis skaper trøbbel for de lokale artene
Chapters and books
2017
Status of the natural and human environments
p. 5-46
Popular science articles
2016
Toktet er over: Interessante funn klare for analyse
Blogg Forskning.no - Polhavstoktbloggen
Academic lectures
2018
Distribution of rorquals and predatory fish in relation to prey in the Norwegian high Arctic
2018
Plankton investigations in the Barents Sea conducted by IMR and PINRO
2017
The Hinlopen area - a regional hotspot north of Svalbard?
2017
New insight regarding vertical migration of a deep scattering layer in the Arctic
2017
The Hinlopen area - a regional hotspot north of Svalbard?
2016
Plankton investigations in the Barents Sea conducted by IMR and PINRO
2015
A North Atlantic basins comparison of diversity, abundance and vertical distribution of mesozooplankton in relation to hydrography and primary production
2015
Zooplankton and micronekton vertical distribution and diel vertical migration behaviour in the Northern North Atlantic Ocean
2014
Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot
2013
The annual joint Norwegian-Russian Barents SEa Ecosystem survey, results from 2013
2013
Uncertainty in green weight estimates from Norwegian krill fishing vessels
2013
Quantifying lower trophic level dynamics: Bridging field instrumentation, observations and models
2013
MESSOR – A towed underwater vehicle for quantifying and describing the distribution of pelagic organisms and their physical environment. OCEANS’13 MTS/IEEE Bergen, June 10-13. Oral presentation
2013
Elements of prospective future harvest of marine biological resources in the Arctic
2012
Krill stock evaluation with data from commercial fishing vessels
2011
Oppsummering av resultater fra Økosystemtoktet i Barentshavet 2011
2011
Barents Sea ecosystem state: climate fluctuations, human impact and system resilience
2011
Exploratory measurements using a broadband, split beam echo sounder system
2011
Ex situ target-strength measurements of Northern krill (Meganyctiphanes norvegica) with a broadband split-beam echosounder prototype
2011
Exploiting broadband split-beam echosounders for zooplankton; some pre-liminary results from the WESTZOO project
2010
Oppsummering av resultater fra Økosystemtoktet i Barentshavet 2010
2009
The Barents Sea Ecosystem Survey
2008
The Antarctic krill and ecosystem survey with r/v GO Sars, in 2008
Annet tidsskriftbidrag
2014
Erratum: Changes in Barents Sea ecosystem state, 1970-2009: Climate fluctuations, human impact, and trophic interactions (ICES Journal of Marine Science 69 (880-889) DOI: 10.1093/icesjms/fss046)
ICES Journal of Marine Science
71
p. 1308-1309
Reports and papers
2019
Report from a krill focused survey with RV Kronprins Haakon and land-based predator work in Antarctica during 2018/2019
2018
Fish atlas of the Southern Ocean based on the AKES survey in 2008
2018
Multinational large scale krill synoptic survey in CCAMLR Area 48 in 2019-survey plan and protocol for consideration by SG-ASAM 2018
2018
Acoustic manual for the krill synoptic survey in 2019
2018
Protocols for trawl sampling, recording of biological data, and hydrography for the 2019 international synoptic krill survey in Area 48
2017
Cruise report SI_ARCTIC / Arctic Ecosystem survey R/V Helmer Hanssen, 2-16 September 2016
2017
Cruise report SI_ARCTIC / Arctic Ecosytem Survey R/V Helmer Hanssen, 21 August - 7 September 2017
2016
Cruise report SI_ARCTIC/Arctic Ecosystem Survey R/V Helmer Hanssen, 19 August - 7 September 2014
2016
Cruise report SI_ARCTIC/Arctic Ecosystem survey R/V Helmer Hanssen, 17 August - 7 September 2015
2016
Reporting procedures for the continuous fishing method
2013
IMR ecosystem activity in the Arctic Ocean - Report from a committee
2012
Kunnskap om marine naturressurser i Barentshavet sørøst
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