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Bjørn Krafft
Arbeidsområde
Populasjonsbiologi, fysiologi, evolusjonær biologi og økologi fra ulike trofiske nivå i polare økosystemer
Publikasjoner
Vitenskapelige artikler (NVI)
2018
Summer distribution and demography of Antarctic krill Euphausia superba Dana, 1852 (Euphausiacea) at the South Orkney Islands, 2011–2015
Journal of Crustacean Biology
p. 1-7
2018
Size selection of Antarctic krill (Euphausia superba) in a commersial codend and trawl body
Fisheries Research
207
p. 49-54
2018
Collecting size-selectivity data for Antarctic krill (Euphausia superba) with a trawl independent towing rig
PLoS ONE
13
p. 1-12
2017
KRILLBASE: a circumpolar database of Antarctic krill and salp numerical densities, 1926-2016
Earth System Science Data
2016
KRILLBASE: A circumpolar database of Antarctic krill and salp numerical densities, 1926-2016
Earth System Science Data
9
p. 193-210
2016
Quantifying the Escape Mortality of Trawl Caught Antarctic Krill (Euphausia superba)
PLoS ONE
11
2016
Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)
Journal of Crustacean Biology
36
p. 267-273
2016
At-sea distribution and prey selection of antarctic petrels and commercial krill fisheries
PLoS ONE
11
2016
Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
CCAMLR science
23
p. 31-51
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
2015
Assessment of mortality of Antarctic krill (Euphausia superba) escaping from a trawl
Fisheries Research
170
p. 102-105
2015
Perfluoroalkyl substances detected in the world's southernmost marine mammal, the Weddell seal (Leptonychotes weddellii)
Environmental Pollution
197
p. 62-67
2015
Recent changes in distribution and relative abundance of cetaceans in the Norwegian Sea and their relationship with potential prey
Frontiers in Ecology and Evolution
2
p. 1-11
2014
Ecological aspects of fin whale and humpback whale distribution during summer in the Norwegian Sea
Marine Ecology
35
p. 221-232
2014
Prey selection of offshore killer whales (Orcinus orca) in the Northeast Atlantic in late summer: spatial associations with mackerel
Marine Ecology Progress Series
499
p. 275-283
2014
Observations of cetaceans in the south-east sector of the Southern Ocean during summer 2008
Polar Biology
37
p. 891-895
2014
Instrumentation and handling effects on Antarctic fur seals (Arctocephalus gazella)
Polar Research
33:21630
2014
Size selection of antarctic krill (Euphausia superba) in trawls
PLoS ONE
9
2012
Impact of climate change on Antarctic krill
Marine Ecology Progress Series
458
p. 1-19
2012
Serum chemistry and antibodies against pathogens in Antarctic fur seals, Weddell seals, crabeater seals, and Ross seals
Journal of Wildlife Diseases
48
p. 632-645
2012
Antarctic krill swarm characteristics in the Southeast Atlantic sector of the Southern Ocean
Marine Ecology Progress Series
465
p. 69-83
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
Time budgets and at-sea behaviour of lactating female Antarctic fur seals Arctocephalus gazella at Bouvetoya
Marine Ecology Progress Series
385
p. 271-284
2008
Biomarker responses and decreasing contaminant levels in ringed seals (Phoca hispida) from Svalbard, Norway
Journal of Toxicology and Environmental Health
p. 1009-1018
2007
Distribution of sex and age groups of ringed seals (Pusa hispida) in the fast-ice breeding habitat
Marine Ecology Progress Series
p. 199-206
2006
Spring haul-out behaviour of ringed seals (Pusa hipida) in Kongsfjorden, Svalbard
Marine mammal science
22
p. 379-393
2006
Growth and population parameters of ringed seals (Pusa hispida) from Svalbard, Norway, 2002-04
ICES Journal of Marine Science
63
p. 1136-1144
2006
Serum haptoglobin concentrations of ringed seals (Pusa hispida) on Svalbard
Journal of Wildlife Diseases
42
p. 442-446
2006
Serum chemistry values for free-ranging ringed seals (Pusa hispida) in Svalbard
Veterinary clinical pathology
35
p. 405-412
2006
Abundance of ringed seals (Pusa hispida) in the fjords of Spitsbergen, Svalbard, during the peak molting period
Marine mammal science
22
p. 394-412
2005
Population changes of Antarctic Fur seals at Nyrøysa, Bouvetøya
Polar Biology
28
p. 725-731
2002
Diving behaviour of sub-adult harbour seals (Phoca vitulina) at Prins Karls Forland, Svalbard
Polar Biology
25
p. 230-234
2001
Diving and haul-out patterns of walruses Odobenus rosmarus on Svalbard
Polar Biology
24
p. 314-319
2000
Diving behaviour of lactating bearded seals (Erignathus barbatus) in the Svalbard area
Canadian Journal of Zoology
78
p. 1408-1418
Informasjonsmateriale
2014
På krill-tokt i Antarktis
Poster
2018
Establishing baseline understanding of Antarctic krill (Euphausia superba) response to LED light exposure
2016
An Antarctic krill (Euphausia superba) hotspot - population characteristics, abundance and vertical structure explored from a krill fishing vessel
2012
Temporal variation in demography of Antarctic krill from the Scotia Sea, 2007-2009
2012
Scientific monitoring of Antarctic krill by a fishing vessel-a way towards krill feedback management
2010
Distribution of humpback whales (Megaptera novaengliae) along two transects between the southern part of Africa and the Antarctic continent, during summer 2008
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
2010
Patterns in plankton and nekton community structure in relation to environmental factors in the Southeast Atlantic sector of the Southern Ocean
2008
Individual feeding patterns of female Antarctic fur seals throughout lactation at Bouvetøya
2005
Growth and population parameters of ringed seals (Pusa hispida) from Svalbard, Norway, 2002-2004
2005
Abundance of ringed seals (Pusa hipida) in the fjords of Spitsbergen, Svalbard, during the peak moulting period
2005
Spring haul-out behaviour of ringed seals (Pusa hispida) in Kongsfjorden, Svalbard
2005
Spatial distribution of ringed seals (Pusa hispida) in their fast-ice breeding habitat in Kongsfjorden, Svalbard, Norway
2003
An Aerial survey of ringed seals in Svalbard, Norway, using digital photography
2001
Increase in the Antarctic fur seal population at Bouvetøya
1999
Diving behaviour of lactating bearded seals (Erignathus barbatus) in the Svalbard area
Mediebidrag
2016
Antarktisk krill overlever flukt fra fisketrålen
2016
Antarktisk krill overlever flukt fra trål
2016
Antarktisk krill overlever flukt fra trål
2015
Jobber for bærekraftig krillforvaltning
2015
Gode overlevingstal for antarktisk krill som passerer trålen
Kapitler og bøker
2012
Krill Antarktisk
p. 116-116
2012
Antarktisk krill-fra triggernivå til vitenskapelige kvoter
p. 80-82
2011
Antarktisk krill
p. 123-123
Populærvitenskapelige artikler
2016
Verdas største verneområde kjem i Antarktis
Kystmagasinet
2014
Distribution of Antarctic krill and apex predators at South Orkney Islands in 2014, and assessing escape mortality of krill in trawls
Rapport fra havforskningen
2013
Krill - Antarktisk
Fisken og Havet, Særnummer
p. 145-145
Faglige foredrag
2018
Antarcic krill size selectivity and escape mortality from fishing gear
2018
Presentation of KPH Southern Ocean Survey
2016
South Orkney Island 2016 Antarctic krill and ecosystem monitoring
2016
Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)
2016
Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
2016
Quantifying the escape mortality of trawl caught Antarctic krill (Euphausia superba)
2016
At-sea distribution and prey selection of Antarctic petrels and commercial fisheries
2016
Exploitation of Antarctic krill Euphausia superba by three air-breathing predators with contrasting foraging strategies – implications for fisheries feedback management
2016
Employing a trawl independent multi-compartment towing rig to study selectivity of crustaceans in trawls
2016
Assessment of mortality of Antarctic krill (Euphausia superba) escaping from a trawl
2014
Observations of gadoid feeding by large baleen whales in the Norwegian Sea
2014
Report from the annual survey of Antarctic krill and apex predators distribution at South Orkney Islands in 2014, and assessing escape mortality of krill in trawls
2014
Assessment of escape mortality of Antarctic krill (Euphausia superba) in trawls
2014
Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot
2013
Observations of penguins in the waters off South Orkney Islands, 2011-2013
2013
A Method to evaluate selection of Antarctic krill in towed fishing gears
2013
Antarctic krill and apex predators in the South Orkney Islands area 2012, surveyed with the commercial fishing vessel Juvel
2012
Krill stock evaluation with data from commercial fishing vessels
2012
Net escapement of Antarctic krill in trawls
2011
Havforskningsinstituttets krill og økosystemforskning I Sørishavet
2011
Antarctic krill investigations in the South Orkney Islands area by using a commercial fishing vessel as research platform
2011
Antarctic krill and climate change
2011
Preliminary results from the first survey season of Antarctic krill and apex predators with the commercial fishing vessel Saga sea in the South Orkney Island area 2011
2010
The Antarctic krill and ecosystem survey (AKES) with G.O. Sars in 2008
2009
Krill density estimates in CCAMLR subarea 48.6 based on acoustic data collected during January-March 2008
2009
Demographic studies of Antarctic krill in the South Orkney Islands area 2009, fieldwork and preliminary results
2008
The Antarctic krill and ecosystem survey with r/v GO Sars, in 2008
Annet tidsskriftbidrag
2013
Krillkroner i Sørishavet
Sunnmørsposten
Rapporter og avhandlinger
2018
Antarctic krill and ecosystem monitoring survey off the South Orkney Islands in 2018
2018
Multinational large scale krill synoptic survey in CCAMLR Area 48 in 2019-survey plan and protocol for consideration by SG-ASAM 2018
2018
Development of methods relevant to feedback management (FBM) for the krill fishery
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
2018
Antarctic krill and ecosystem monitoring survey off the South Orkney islands in 2018
2016
Antarctic krill and ecosystem monitoring survey at South Orkney Islands in 2016
2015
Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
2015
Using vessel acoustics to detect diving patterns of krill foraging predators automatically: development of a novel method for quantifying impact of krill fishing on seals and penguins
2015
Updating the Antarctic krill biomass estimates for CCAMLR Subareas 48.1 to 48.4 using available data
2015
Antarctic krill: assessment of mesh size selectivity and escape mortality from trawls
2015
Antarctic krill and ecosystem monitoring survey at South Orkney Islands in 2015, and assessing escape mortality of krill in trawls
2014
Cruise report Dr. Fridtjof Nansen Myanmar Ecosystem Survey 13. November - 17 December 2013
2013
Krill - Antarktis
2013
Norge i Antarktis: Forsker og fisker på krill
2013
Studies of Antarctic krill, krill predators and trawl gear at South Orkney Islands, 2013
2013
Antarctic krill and apex predators in the South Orkney Islands area 2012, surveyed with the commercial fishing vessel Juvel
2012
Cruise report "Dr. Fridtjof Nensen, CCLME North West Africa Ecosystem Survey, Guinea-Morocco. 20 October-21 December 2011
2012
CCLME North West Africa Ecosystem Survey: Guinea - Morocco, 05 May – 22 July 2012
2011
Antarctic krill and apex predators in the South Orkney Islands area 2011, surveyed with the commercial fishing vessel Saga Sea
2005
Population biology of ringed seals (Pusa hispida) in Svalbard, Norway
2004
Aerial survey of ringed and bearded seals in Van Mijenfjorden and Van Keulenfjorden, June 2003
2002
Marine mammals in the Bellsund-Van Mijenfjorden-Van Keulenfjorden area. New investigations and status of knowledge
1999
Diving behaviour of lactating bearded seals (Erignathus barbatus) in the Svalbard area
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