Gå til hovedinnhold

Bjørn Krafft

krafft
Forsker
Telefon: 47685728
Avdeling: Plankton
Arbeidsområde

Arbeidsområde

Populasjonsbiologi, fysiologi, evolusjonær biologi og økologi fra ulike trofiske nivå i polare økosystemer

Publikasjoner

Publikasjoner

Vitenskapelige artikler (NVI)

2020

Bearded seal (Erignathus barbatus) birth mass and pup growth in periods with contrasting ice conditions in Svalbard, Norway

Kit M. Kovacs, Bjørn Arne Krafft, Christian Lydersen
Marine mammal science 36 p. 276-284
2020

Comparison of visual and molecular taxonomic methods to identify ichthyoplankton in the North Sea

Alejandro Mateos-Rivera, Rasmus Skern-Mauritzen, Geir Dahle, Svein Sundby, Bahar Mozfar, Anders Thorsen, Henning Wehde, Bjørn Arne Krafft
Limnology and Oceanography : Methods 18 p. 599-605
2019

Bearded seal (Erignathus barbatus) birth mass and pup growth in periods with contrasting ice conditions in Svalbard, Norway

16. Kovacs KM, Krafft BA, Lydersen C.
Marine Mammal Science Mar Mam Sci. (Ja) p. 1–9
2018

Summer distribution and demography of Antarctic krill Euphausia superba Dana, 1852 (Euphausiacea) at the South Orkney Islands, 2011–2015

Bjørn Arne Krafft, Ludvig Ahm Krag, Tor Knutsen, Georg Skaret, Knut Helge Jensen, Jens-Otto Krakstad, Stuart Larsen, Webjørn Raunsgård Melle, Svein Arnholt Iversen, Olav Rune Godø
Journal of Crustacean Biology 38 p. 682-688
2018

Size selection of Antarctic krill (Euphausia superba) in a commersial codend and trawl body

Bent Herrmann, Ludvig Ahm Krag, Bjørn Arne Krafft
Fisheries Research 207 p. 49-54
2018

Collecting size-selectivity data for Antarctic krill (Euphausia superba) with a trawl independent towing rig

Ludvig Ahm Krag, Bjørn Arne Krafft, Arill Engås, Bent Herrmann
PLOS ONE 13 p. 1-12
2017

KRILLBASE: a circumpolar database of Antarctic krill and salp numerical densities, 1926-2016

Angus Atkinson, Simeon L Hill, Evgeny A Pakhomov, Volker Siegel, Ricardo Anadon, Sanae Chiba, Kendra L Daly, Rod Downie, Peter T. Fretwell, Laura Gerrish, Graham W Hosie, Mark J Jessopp, So Kawaguchi, Bjørn Arne Krafft, Valerie Loeb, Jun Nishikawa, Helen J Peat, Christian S Reiss, Robin M Ross, Langdon B Quetin, Katrin Schmidt, Deborah K Steinberg, Roshni C Subramaniam, Geraint A. Tarling, Peter Ward
Earth System Science Data
2016

KRILLBASE: A circumpolar database of Antarctic krill and salp numerical densities, 1926-2016

Angus Atkinson, Simeon L Hill, Evgeny A Pakhomov, Volker Siegel, Ricardo Anadon, Sanae Chiba, Kendra L. Daly, Rod Downie, Sophie Fielding, Peter T. Fretwell, Laura Gerrish, Graham W Hosie, So Kawaguchi, Mark J Jessopp, So Kawaguchi, Bjørn Arne Krafft, Valerie Loeb, Jun Nishikawa, Helen J Peat, Christian S Reiss, Robin M Ross, Langdon B Quetin, Katrin Schmidt, Deborah K Steinberg, Roshni C Subramaniam, Geraint A. Tarling, Peter Ward
Earth System Science Data 9 p. 193-210
2016

Quantifying the Escape Mortality of Trawl Caught Antarctic Krill (Euphausia superba)

Bjørn Arne Krafft, Ludvig Ahm Krag, Arill Engås, Sigve Nordrum, Inge Bruheim, Bent Herrmann
PLOS ONE 11
2016

Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)

Bjørn Arne Krafft, Merete Kvalsund, Guldborg Søvik, Eva Farestveit, Ann-Lisbeth Agnalt
Journal of Crustacean Biology 36 p. 267-273
2016

At-sea distribution and prey selection of antarctic petrels and commercial krill fisheries

Sebastien Descamps, Arnaud Tarroux, Yves Cherel, Karine Delord, Olav Rune Godø, Akiko Kato, Bjørn Arne Krafft, Svein-Håkon Lorentsen, Yan Ropert-Coudert, Georg Skaret, Øystein Varpe
PLOS ONE 11
2016

Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

Simeon L Hill, Angus Atkinson, Chris Darby, Sofie Fielding, Bjørn Arne Krafft, Olav Rune Godø, Georg Skaret, Philip Trathan, John Watkins
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

Bjørn Arne Krafft, Georg Skaret, Tor Knutsen
Polar Biology 38 p. 1687-1700
2015

Assessment of mortality of Antarctic krill (Euphausia superba) escaping from a trawl

Bjørn Arne Krafft, Ludvig Ahm Krag
Fisheries Research 170 p. 102-105
2015

Perfluoroalkyl substances detected in the world's southernmost marine mammal, the Weddell seal (Leptonychotes weddellii)

Heli Anna Irmeli Routti, Bjørn Arne Krafft, Dorte Herzke, Regina Eisert, Olav T. Oftedal
Environmental Pollution (1987) 197 p. 62-67
2015

Recent changes in distribution and relative abundance of cetaceans in the Norwegian Sea and their relationship with potential prey

Leif Nøttestad, Bjørn Arne Krafft, Valentine Anthonypillai, Matteo Bernasconi, Lise Langård, Herdis Langøy Mørk, Anders Fernø
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

Leif Nøttestad, Lise Henriksen Doksæter, Bjørn Arne Krafft, Lise Langård, Valentine Anthonypillai, Matteo Bernasconi, Herdis Langøy, Bjørn Erik E Axelsen
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

Leif Nøttestad, Lise Henriksen Doksæter, Bjørn Arne Krafft, Lise Langård, Valentine Anthonypillai, Matteo Bernasconi, Herdis Langøy, Anders Fernø
Marine Ecology Progress Series 499 p. 275-283
2014

Observations of cetaceans in the south-east sector of the Southern Ocean during summer 2008

Leif Nøttestad, Bjørn Arne Krafft, Henrik Søiland, Georg Skaret
Polar Biology 37 p. 891-895
2014

Instrumentation and handling effects on Antarctic fur seals (Arctocephalus gazella)

Marie Ann Blanchet, Christian Lydersen, Erik Martin Biuw, P.J. Nico de Bruyn, Greg Hofmeyr, Bjørn Arne Krafft, Kit M. Kovacs
Polar Research 33:21630
2014

Size selection of antarctic krill (Euphausia superba) in trawls

Ludvig Ahm Krag, Bent Herrmann, Svein Arnholt Iversen, Arill Engås, Sigve Nordrum, Bjørn Arne Krafft
PLOS ONE 9
2012

Impact of climate change on Antarctic krill

H Flores, A Atkinson, S Kawaguchi, Bjørn Arne Krafft, G Milinevsky, S. Nicol, Charles Reiss, GA Tarling, R Werner, E Bravo Rebolledo, V Cirelli, J Cuzin-Roudy, S Fielding, J. Groeneveld, M Haraldsson, A Lombana, E Marschoff, B. Meyer, EA Pakhomov, E Rombola, K Schmidt, volker siegel, M Teschke, H Tonkes, J Y Toullec, P N Trathan, N Tremblay, A P Van de Putte, J A van Franeker, T Werner
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

Morten Tryland, Ingebjørg Helena Nymo, Ole Nielsen, Erling Sverre Nordøy, Kit Kovacs, Bjørn Are Krafft, Stein Istre Thoresen, Kjetil Åsbakk, Klaus Osterrieder, Swaantje J. Roth, Christian Lydersen, Jacques Godfroid, Arnoldus S Blix
Journal of Wildlife Diseases 48 p. 632-645
2012

Antarctic krill swarm characteristics in the Southeast Atlantic sector of the Southern Ocean

Bjørn Are Krafft, Georg Skaret, Tor Knutsen, Webjørn Raunsgård Melle, Thor A. Klevjer, Henrik Søiland
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

Bjørn Arne Krafft, Webjørn Raunsgård Melle, Tor Knutsen, Espen Bagøien, Cecilie Broms, Bjørn Ellertsen, V. Siegel
Polar Biology 33 p. 957-968
2009

Time budgets and at-sea behaviour of lactating female Antarctic fur seals Arctocephalus gazella at Bouvetoya

Martin Biuw, Bjørn Arne Krafft, GJG Hofmeyr, Christian Lydersen, Kit Kovacs
Marine Ecology Progress Series 385 p. 271-284
2008

Biomarker responses and decreasing contaminant levels in ringed seals (Phoca hispida) from Svalbard, Norway

Hans Wolkers, Bjørn Arne Krafft, B. vanBavel, LB Helgason, Christian Lydersen, Kit M. Kovacs
Journal of Toxicology and Environmental Health, Part A p. 1009-1018
2007

Distribution of sex and age groups of ringed seals (Pusa hispida) in the fast-ice breeding habitat

Bjørn Arne Krafft, Kit M. Kovacs, Christian Lydersen
Marine Ecology Progress Series p. 199-206
2006

Spring haul-out behaviour of ringed seals (Pusa hipida) in Kongsfjorden, Svalbard

helen carlens, Christian Lydersen, Bjørn Arne Krafft, Kit M. Kovacs
Marine mammal science 22 p. 379-393
2006

Growth and population parameters of ringed seals (Pusa hispida) from Svalbard, Norway, 2002-04

Bjørn Arne Krafft, Kit M. Kovacs, Anne Kirstine Højholt Frie, Tore Haug, Christian Lydersen
ICES Journal of Marine Science 63 p. 1136-1144
2006

Serum haptoglobin concentrations of ringed seals (Pusa hispida) on Svalbard

Bjørn Arne Krafft, Christian Lydersen, Kit M. Kovacs
Journal of Wildlife Diseases 42 p. 442-446
2006

Serum chemistry values for free-ranging ringed seals (Pusa hispida) in Svalbard

Morten Tryland, B. A. Krafft, Christian Lydersen, Kit M. Kovacs, Stein Istre Thoresen
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

Bjørn A. Krafft, K.M. Kovacs, Torbjørn Ergon, Magnus Andersen, Jon Aars, T. Haug, Christian Lydersen
Marine mammal science 22 p. 394-412
2005

Population changes of Antarctic Fur seals at Nyrøysa, Bouvetøya

GJG Hofmeyr, Bjørn Arne Krafft, S.P. Kirkman, MN Bester, Christian Lydersen, Kit M. Kovacs
Polar Biology 28 p. 725-731
2002

Diving behaviour of sub-adult harbour seals (Phoca vitulina) at Prins Karls Forland, Svalbard

Bjørn Arne Krafft, Christian Lydersen, Kit M. Kovacs, Ian Gjertz
Polar Biology 25 p. 230-234
2001

Diving and haul-out patterns of walruses Odobenus rosmarus on Svalbard

David Griffiths, Ian Gjertz, Øystien Wiig, B. A. Krafft, Christian Lydersen
Polar Biology 24 p. 314-319
2000

Diving behaviour of lactating bearded seals (Erignathus barbatus) in the Svalbard area

Bjørn Arne Krafft, Christian Lydersen, Kit Kovacs, Ian Gjertz, Tore Haug
Canadian Journal of Zoology 78 p. 1408-1418

Informasjonsmateriale

2014

På krill-tokt i Antarktis

Bjørn Arne Krafft, Ingunn Bakketeig

Poster

2020

Mercury in the Southern Ocean: Spatial distribution of mercury in Antarctic krill and trophic transfer in the Southern Ocean food web

Liholt HN, Krafft BA, Borgå K
abstract for NETS conference, Bergen 22-24 April (Ja)
2018

Establishing baseline understanding of Antarctic krill (Euphausia superba) response to LED light exposure

Bjørn Arne Krafft, Georg Skaret, Ludvig Ahm Krag
2016

An Antarctic krill (Euphausia superba) hotspot - population characteristics, abundance and vertical structure explored from a krill fishing vessel

Bjørn Arne Krafft, Georg Skaret, Tor Knutsen
2012

Temporal variation in demography of Antarctic krill from the Scotia Sea, 2007-2009

Bjørn Arne Krafft, Georg Skaret, Webjørn Raunsgård Melle, Tor Knutsen, Svein Arnholt Iversen
2012

Scientific monitoring of Antarctic krill by a fishing vessel-a way towards krill feedback management

Georg Skaret, Bjørn Arne Krafft, Svein Arnholt Iversen, X Zhao, nina jensen
2010

Distribution of humpback whales (Megaptera novaengliae) along two transects between the southern part of Africa and the Antarctic continent, during summer 2008

Leif Nøttestad, Bjørn Arne Krafft, Henrik Søiland, Øystein Skagseth, Cecilie Broms, Webjørn Raunsgård Melle, Georg Skaret
2010

patterns in plankton and nekton community structure in relation to environmental factors in the Atlantic sector of the Southern Ocean

Cecilie Broms, Webjørn Raunsgård Melle, Tor Knutsen, Bjørnar Ellertsen, Bjørn Arne Krafft, Espen Bagøien, Svein Arnholt Iversen, Leif Nøttestad, Øystein Skagseth, Henrik Søiland
2010

Antarctic krill distribution and demography in the CCAMLR area 48.6, Southern Ocean

Bjørn Are Krafft, Webjørn Raunsgård Melle, Tor Knutsen, Espen Bagøien, Cecilie Broms, Bjørnar Ellertsen, Volker Siegel
2010

Patterns in plankton and nekton community structure in relation to environmental factors in the Southeast Atlantic sector of the Southern Ocean

Cecilie Broms, Webjørn Melle, Tor Knutsen, B Ellertsen, Bjørn Are Krafft, Espen Bagøien, Svein Iversen, Leif Nøttestad, Lars Naustvoll, Bente Edvardsen, Henrik Søiland, Øystein Skagseth
2008

Individual feeding patterns of female Antarctic fur seals throughout lactation at Bouvetøya

Erik Martin Biuw, Bjørn Arne Krafft, GJG Hofmeyr, Christian Lydersen, Kit M. Kovacs
2005

Growth and population parameters of ringed seals (Pusa hispida) from Svalbard, Norway, 2002-2004

Bjørn Arne Krafft, Kit M. Kovacs, Tore Haug, Christian Lydersen
2005

Abundance of ringed seals (Pusa hipida) in the fjords of Spitsbergen, Svalbard, during the peak moulting period

Bjørn Arne Krafft, Kit M. Kovacs, Torbjørn Ergon, Magnus Andersen, Jon Aars, Tore Haug, Christian Lydersen
2005

Spring haul-out behaviour of ringed seals (Pusa hispida) in Kongsfjorden, Svalbard

helen carlens, Christian Lydersen, Bjørn Arne Krafft, Kit M. Kovacs
2005

Spatial distribution of ringed seals (Pusa hispida) in their fast-ice breeding habitat in Kongsfjorden, Svalbard, Norway

Bjørn Arne Krafft, Kit M. Kovacs, Christian Lydersen
2003

An Aerial survey of ringed seals in Svalbard, Norway, using digital photography

Bjørn Arne Krafft, Christian Lydersen, Magnus Andersen, Tore Haug, Kit M. Kovacs
2001

Increase in the Antarctic fur seal population at Bouvetøya

GJG Hofmeyr, Bjørn Arne Krafft, Steve Kirkman, Kit M. Kovacs, marthan besther, Ian Gjertz
1999

Diving behaviour of lactating bearded seals (Erignathus barbatus) in the Svalbard area

Bjørn Arne Krafft, Christian Lydersen, Kit M. Kovacs, Ian Gjertz, Tore Haug

Vitenskapelige foredrag

2020

A new dawn for adaptive management of the Antarctic krill fishery: predators, parameters and a progressive approach for CCAMLR

Lowther A, Bergstad OA, Biuw M, Godø OR, Krafft BA, Lindstrøm U
abstract for ICES ASC (Ja)

Kapitler og bøker

2020

Rødt gull i sør

Krafft, Bjørn
Polarboken 2019-2020 (Ja) p. 4
2012

Krill Antarktisk

Bjørn Arne Krafft, Svein Arnholt Iversen
p. 116-116
2012

Antarktisk krill-fra triggernivå til vitenskapelige kvoter

Bjørn Arne Krafft, Marie Hauge, Georg Skaret, Svein Arnholt Iversen
p. 80-82
2011

Antarktisk krill

Bjørn Arne Krafft, Svein Arnholt Iversen
p. 123-123

Populærvitenskapelige artikler

2016

Verdas største verneområde kjem i Antarktis

Marie Hauge, Bjørn Arne Krafft
Kystmagasinet
2014

Distribution of Antarctic krill and apex predators at South Orkney Islands in 2014, and assessing escape mortality of krill in trawls

Bjørn Arne Krafft, Ludvig Ahm Krag, Thor A. Klevjer, Georg Skaret, Ronald Pedersen
Rapport fra havforskningen
2013

Krill - Antarktisk

Olav Rune Godø, Bjørn Arne Krafft, Svein Arnholt Iversen
Fisken og Havet, Særnummer p. 145-145

Rapporter og avhandlinger

2020

The United Nations' Intergovernmental Panel on Climate Change's (IPCC) Special Report on the Ocean and Cryosphere in a Changing Climate: what does CCAMLR need to know?

R.D. Cavanagh, P.N. Trathan, S.M. Grant, S. Hill, P. Hollyman, B.A. Krafft, J. Melbourne- Thomas, M. Meredith, M.M.C. Muelbert, E.J. Murphy, M. Sommerkorn and J. Turner
SC-CAMLR 39/BG/12 (Ja) p. 24
2020

Planned updates for the krill fishery management Risk Assessment framework

P.N. Trathan, V. Warwick-Evans, S. Fielding, E.J. Murphy, N. Kelly, D. Welsford, L. Dalla Rosa, E. Secchi, E. Seyboth, B.A. Krafft, J. Hinke, C. Reiss and G. Watters
SC-CAMLR 39/BG/11 (Ja) p. 9
2020

Identifying and integrating relevant scientific research outputs on climate change into the work of the Scientific Committee and its Working Groups

Delegations of the United Kingdom, Argentina, Australia, Belgium, Norway and Sweden
SC-CAMLR 39/03 (Ja) p. 4
2020

Mapping of Fish Spawning in the North Sea; Report of the “KINO-2” Project for 2019

Alejandro Mateos-Rivera, Bahar Mozfar, Rasmus Skern-Mauritzen, Geir Dahle, Henning Wehde, Lisbeth Kleppe, Svein Sundby, Anders Thorsen, Lars Asplin, Stamatina Isari, Bjørn Arne Krafft
2019

Report from a krill focused survey with RV Kronprins Haakon and land-based predator work in Antarctica during 2018/2019

Bjørn Arne Krafft, Kjell Gunnar Bakkeplass, Terje Berge, Martin Biuw, Julio Alberto Erices, Elizabeth Marie Jones, Tor Knutsen, Rokas Kubilius, Merete Kvalsund, Ulf Lindstrøm, Gavin Macaulay, Angelika Renner, Alina Rey, Henrik Søiland, Rupert Wienerroither, Heidi Ahonen, Jade Goto, Nils Hoem, Magdelena Huerta, Juan Höfer, Oda Iden, William Jouanneau, Lucas Kruger, Håvard Liholt, Andy Lowther, Azwianewi B. Makhado, Mireia Mestre, Audun Narvestad, Chris Oosthuisen, Jose Rodrigues, Rune Øyerhamn
2019

Mapping of fish spawning in the North Sea — Report of the KINO-2 project for 2018

Alejandro Mateos-Rivera, Bahar Mozfar, Rasmus Skern-Mauritzen, Geir Dahle, Henning Wehde, Lisbeth Kleppe, Svein Sundby, Anders Thorsen, Bjørghild Breistein Seliussen, Lars Asplin, Gaston Ezequiel Aguirre, Stamatina Isari, Bjørn Arne Krafft
2018

Fish atlas of the Southern Ocean based on the AKES survey in 2008

Merete Kvalsund, Herdis Langøy Mørk, Rupert Wienerroither, Jaime Tapia Alvarez, Leif Nøttestad, Jostein Røttingen, Øyvind Tangen, Helga Agnethe Gill, Kjell Gunnar Bakkeplass, Georg Skaret, Cecilie Broms, Tor Knutsen, Svein Arnholt Iversen, Bjørn Arne Krafft
2018

Antarctic krill and ecosystem monitoring survey off the South Orkney Islands in 2018

Bjørn Arne Krafft, Georg Skaret, Ludvig Ahm Krag, Ronald Pedersen
2018

Multinational large scale krill synoptic survey in CCAMLR Area 48 in 2019-survey plan and protocol for consideration by SG-ASAM 2018

Bjørn Arne Krafft, Odd Aksel Bergstad, Tor Knutsen, Georg Skaret, Gavin Macaulay
2018

Development of methods relevant to feedback management (FBM) for the krill fishery

Bjørn Arne Krafft, Andrew Lowther, Gavin Macaulay, Melissa Chierici, Martin Biuw, Angelika Renner, tor klevjer, Rune Øyerhamn, cecar cardenas, arata makhado, Christian Reiss, Odd Aksel Bergstad
2018

Acoustic manual for the krill synoptic survey in 2019

gavin macaulay, Georg Skaret, Tor Knutsen, Odd Aksel Bergstad, Bjørn Arne Krafft
2018

Protocols for trawl sampling, recording of biological data, and hydrography for the 2019 international synoptic krill survey in Area 48

Tor Knutsen, Bjørn Arne Krafft, Angelika Renner, Georg Skaret, gavin macaulay, Odd Aksel Bergstad
2018

Antarctic krill and ecosystem monitoring survey off the South Orkney islands in 2018

Bjørn Arne Krafft, Georg Skaret, Ludvig Ahm Krag, Ronald Pedersen
2016

Antarctic krill and ecosystem monitoring survey at South Orkney Islands in 2016

Bjørn Arne Krafft, Georg Skaret, Ludvig Ahm Krag, Torborg Rustand, Ronald Pedersen
2015

Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015

Georg Skaret, Bjørn Arne Krafft, Lucio Calise, J Watkins, Ronald Pedersen, Olav Rune Godø
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

Thor A. Klevjer, Olav Rune Godø, Bjørn Arne Krafft
2015

Updating the Antarctic krill biomass estimates for CCAMLR Subareas 48.1 to 48.4 using available data

Simeon Hill, Angus Atkinson, Chris Darby, Sofie Fielding, Bjørn Arne Krafft, Olav Rune Godø, Georg Skaret, Phil Trathan, J Watkins
2015

Antarctic krill: assessment of mesh size selectivity and escape mortality from trawls

Bjørn Arne Krafft, Ludvig Ahm Krag, Bent Herrmann, Arill Engås, Inge Bruheim, Sigve Nordrum
2015

Antarctic krill and ecosystem monitoring survey at South Orkney Islands in 2015, and assessing escape mortality of krill in trawls

Georg Skaret, Bjørn Arne Krafft, Ludvig Ahm Krag, Ronald Pedersen
2014

Cruise report Dr. Fridtjof Nansen Myanmar Ecosystem Survey 13. November - 17 December 2013

Jens-Otto Krakstad, Kathrine Michalsen, Bjørn Arne Krafft, Espen Bagøien, Oddgeir Berg Alvheim, Tore Strømme
2013

Krill - Antarktis

Olav Rune Godø, Bjørn Arne Krafft, Svein Arnholt Iversen
2013

Norge i Antarktis: Forsker og fisker på krill

Olav Rune Godø, Svein Arnholt Iversen, Bjørn Arne Krafft, Georg Skaret, Kit M. Kovacs
2013

Studies of Antarctic krill, krill predators and trawl gear at South Orkney Islands, 2013

Bjørn Arne Krafft, Georg Skaret, Ludvig Ahm Krag, Phil Trathan, Y Ying
2013

Antarctic krill and apex predators in the South Orkney Islands area 2012, surveyed with the commercial fishing vessel Juvel

Georg Skaret, Bjørn Arne Krafft, Phil Trathan
2012

Cruise report "Dr. Fridtjof Nensen, CCLME North West Africa Ecosystem Survey, Guinea-Morocco. 20 October-21 December 2011

Jens-Otto Krakstad, Kathrine Michalsen, Oddgeir Berg Alvheim, diana zaera, Espen Bagøien, Bjørn Arne Krafft, Eva García-Isarch, f ramil, k van waerebeek
2012

CCLME North West Africa Ecosystem Survey: Guinea - Morocco, 05 May – 22 July 2012

Jens-Otto Krakstad, Kathrine Michalsen, Åge Sigurd Høines, Oddgeir Berg Alvheim, Diana Zaera-Perez, Magne Olsen, Ines Dias Bernardes, Espen Bagøien, Bjørn Arne Krafft, Ana Ramos, Eva García-Isarch, Eli Muñoz, Fran Ramil, Paul Robinson
2011

Antarctic krill and apex predators in the South Orkney Islands area 2011, surveyed with the commercial fishing vessel Saga Sea

Bjørn Arne Krafft, Georg Skaret, Lucio Calise
2005

Population biology of ringed seals (Pusa hispida) in Svalbard, Norway

Bjørn Arne Krafft, Tore Haug, Christian Lydersen, Kit M. Kovacs
2004

Aerial survey of ringed and bearded seals in Van Mijenfjorden and Van Keulenfjorden, June 2003

Bjørn Arne Krafft, Christian Lydersen, Magnus Andersen, Kit M. Kovacs
2002

Marine mammals in the Bellsund-Van Mijenfjorden-Van Keulenfjorden area. New investigations and status of knowledge

Christian Lydersen, Bjørn Arne Krafft, Magnus Andersen, Kit M. Kovacs
1999

Diving behaviour of lactating bearded seals (Erignathus barbatus) in the Svalbard area

Bjørn Arne Krafft, Tore Haug, Christian Lydersen, Kit M. Kovacs

Faglige foredrag

2021

KINO-prosjektene (2014-2016 og 2018-2020)

Svein Sundby, Bjørn Arne Krafft, Geir Dahle, Alejandro Mateos-Rivera, Bahar Mozfar, Rasmus Skern-Mauritzen, Anders Thorsen, Henning Wehde
2020

Scientific Committee on Antarctic Research (SCAR), Life Science group activities

Krafft, Bjørn
Antarktisseminar (Norsk Polarinstitutt, Norges Forskningsråd) 6-7 oktober (Ja)
2020

Multinational Large-scale Krill survey in the Southern Ocean

Krafft, Bjørn
Antarktisseminar i Tromsø (Norsk Polarinstitutt og Norges Forskningsråd) 6-7 oktober (Ja)
2019

Detection of predator dive patterns from stationary echosounder data

Thor A. Klevjer, Bjørn Arne Krafft, Georg Skaret
2019

Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys

Thor A. Klevjer, Georg Skaret, Bjørn Arne Krafft
2018

Antarcic krill size selectivity and escape mortality from fishing gear

Krafft, Bjørn Arne
2018

Presentation of KPH Southern Ocean Survey

Krafft, Bjørn Arne
2016

South Orkney Island 2016 Antarctic krill and ecosystem monitoring

Bjørn Arne Krafft, Georg Skaret, Ludvig Ahm Krag, Torborg Rustand, Ronald Pedersen
2016

Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)

Bjørn Arne Krafft, Merete Kvalsund, Guldborg Søvik, Eva Farestveit, Ann-Lisbeth Agnalt
2016

Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

Simeon Hill, Angus Atkinson, Chris Darby, Sophie Fielding, Bjørn Arne Krafft, Olav Rune Godø, Georg Skaret, Phil N. Trathan, Jon L. Watkins
2016

Quantifying the escape mortality of trawl caught Antarctic krill (Euphausia superba)

Bjørn Arne Krafft, Ludvig Ahm Krag, Arill Engås, Sigve Nordrum, Inge Bruheim, Bent Herrmann
2016

At-sea distribution and prey selection of Antarctic petrels and commercial fisheries

Sebastien Descamps, Arnaud Tarroux, Yves Cherel, Karine Delord, Olav Rune Godø, Akiko Kato, Bjørn Arne Krafft, Svein-Håkon Lorentsen, Yan Ropert-Coudert, Georg Skaret, Øystein Varpe
2016

Exploitation of Antarctic krill Euphausia superba by three air-breathing predators with contrasting foraging strategies – implications for fisheries feedback management

Andrew D. Lowther, Olav Rune Godø, Kit Kovacs, Bjørn Arne Krafft, Christian Lydersen, Iain Staniland, Phil Trathan, Jon l Watkins
2016

Employing a trawl independent multi-compartment towing rig to study selectivity of crustaceans in trawls

Ludvig Ahm Krag, Bjørn Arne Krafft, Arill Engås, Bent Herrmann
2016

Assessment of mortality of Antarctic krill (Euphausia superba) escaping from a trawl

Bjørn Arne Krafft, Ludvig Ahm Krag
2014

Observations of gadoid feeding by large baleen whales in the Norwegian Sea

Leif Nøttestad, Bjørn Arne Krafft, Valentine Anthonypillai, Øyvind Tangen, Lise Langård, Matteo Bernasconi
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

Bjørn Arne Krafft, Ludvig Ahm Krag, Thor A. Klevjer, Georg Skaret, Ronald Pedersen
2014

Assessment of escape mortality of Antarctic krill (Euphausia superba) in trawls

Bjørn Arne Krafft, Ludvig Ahm Krag
2014

Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot

Bjørn Arne Krafft, Georg Skaret, Tor Knutsen
2013

Observations of penguins in the waters off South Orkney Islands, 2011-2013

Bjørn Arne Krafft, Georg Skaret, Phil Trathan
2013

A Method to evaluate selection of Antarctic krill in towed fishing gears

Ludvig Ahm Krag, Bent Herrmann, Svein Arnholt Iversen, Arill Engås, Sigve Nordrum, Bjørn Arne Krafft
2013

Antarctic krill and apex predators in the South Orkney Islands area 2012, surveyed with the commercial fishing vessel Juvel

Georg Skaret, Bjørn Arne Krafft, Phil Trathan
2012

Krill stock evaluation with data from commercial fishing vessels

Georg Skaret, jm clark, Olav Rune Godø, Rolf Korneliussen, Tor Knutsen, Bjørn Arne Krafft, Svein Arnholt Iversen
2012

Net escapement of Antarctic krill in trawls

Bjørn Arne Krafft, Ludvig Ahm Krag, Bent Herrmann, Arill Engås, Sigve Nordrum, Svein Arnholt Iversen
2011

Havforskningsinstituttets krill og økosystemforskning I Sørishavet

Bjørn Arne Krafft, Georg Skaret, Svein Arnholt Iversen, Leif Nøttestad
2011

Antarctic krill investigations in the South Orkney Islands area by using a commercial fishing vessel as research platform

Krafft, Bjørn Arne
2011

Antarctic krill and climate change

H Flores, Angus Atkinson, e Bravo rebolledo, V Cirelli, J Cuzin-Roudy, Sophie Fielding, jan van franeker, jj groeneveld, M Haraldsson, so kawaguchi, Bjørn Arne Krafft, a lombano, e marschoff, B. Meyer, G Milinevsky, steve nicol, EA Pakhomov, ap van de putte, Christian Reiss, E Rombola, Katrin Schmidt, volker siegel, GA Tarling, M Teschke, h torikes, jy toullec, pn trathan, N Tremblay, R. Werner, T Werner
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

Bjørn Arne Krafft, Georg Skaret, Lucio Calise
2010

The Antarctic krill and ecosystem survey (AKES) with G.O. Sars in 2008

Svein Arnholt Iversen, Webjørn Raunsgård Melle, Bente Edvardsen, Bjørn Arne Krafft, Georg Skaret, Henrik Søiland
2009

Krill density estimates in CCAMLR subarea 48.6 based on acoustic data collected during January-March 2008

Georg Skaret, Bjørn Arne Krafft
2009

Demographic studies of Antarctic krill in the South Orkney Islands area 2009, fieldwork and preliminary results

Bjørn Arne Krafft, Georg Skaret
2008

The Antarctic krill and ecosystem survey with r/v GO Sars, in 2008

Svein Arnholt Iversen, Webjørn Raunsgård Melle, Espen Bagøien, d chu, Bente Edvardsen, Bjørnar Ellertsen, Eirik Grønningsæter, Knut Jørstad, Egil Karlsbakk, Thor Aleksander Klevjer, Tor Knutsen, Rolf Korneliussen, h kowall, Bjørn Arne Krafft, Stein Kaartvedt, pb lona, S. Murray, Lars Johan Naustvoll, Leif Nøttestad, Marek Ostrowski, volker siegel, Øystein Skagseth, Henrik Søiland, X Zhao, Cecilie Broms

Annet tidsskriftbidrag

2019

Results from the 2019 annual acoustic krill monitoring off the South Orkney Islands

Skaret G, Krafft BA, Macaulay G, Knutsen T, Bergstad OA
CCAMLR WG-EMM 2019/69 (Ja) p. 8pp
2019

Preliminary results from the International Synoptic Survey in Area 48, 2019

Macaulay G, Skaret G, Knutsen T, Bergstad OA, Krafft B, Fielding S, Choi SG, Chung S, Demianenko K, Podhornyi V, Vishnyakova K, Pshenichnov L, Chuklin A, Shishman A, Cox MJ
CCAMLR WG-EMM 2019/47 (Ja) p. 16pp
2019

Summary of monitoring and research effort and preliminary results from the 2019 Scotia Sea krill monitoring survey with FV Cabo de Hornos

• Skaret G, Martinussen M, McCallum G, Pedersen R, Rønning J, Donoso AL, Bergstad OA, Krafft BA
CCAMLR WG-EMM 2019/46 (Ja) p. 26pp
2019

Revisiting ageing methods using eyestalk cuticules

Kawaguchi S, Barnes T, Waller N, Farmer B, Hayes D, Kilada R, Reiss C, Zhu G, Krafft B, Agnalt T, Ichii T, Matsuda T
CCAMLR WG-EMM 2019/45 (Ja) p. 5pp
2019

Empirically-driven feedback management incorporating multi-scale risk assessment and an experimental framework to facilitate adaptive improvement

Lowther AD, Krafft B, Godø OR, Cardenas X, Bergstad OA
CCAMLR WG-EMM 2019/18 (Ja) p. 24pp
2019

Development of an acoustic sensor to estimate catch directly from the trawl during continuous krill harvesting

Godø OR, Krafft BA, Grebstad F
CCAMLR WG-EMM 2019/15 (Ja) p. 4pp
2013

Krillkroner i Sørishavet

Olav Rune Godø, Bjørn Arne Krafft, Kit M. Kovacs
Sunnmørsposten

Mediebidrag

2016

Antarktisk krill overlever flukt fra fisketrålen

Marie Hauge, Bjørn Arne Krafft
2016

Antarktisk krill overlever flukt fra trål

Krafft, Bjørn Arne
2016

Antarktisk krill overlever flukt fra trål

Marie Hauge, Bjørn Arne Krafft
2015

Jobber for bærekraftig krillforvaltning

Bjørn Arne Krafft, Ludvig Ahm Krag
2015

Gode overlevingstal for antarktisk krill som passerer trålen

Bjørn Arne Krafft, Marie Hauge
Nettrapporter
Nyheter
Er denne profilen din? Rediger denne profilen (logg inn)

Sidepanel