Browsing Brage IMR by Author "Krafft, Bjørn A."

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

Krafft, Bjørn A.; Skaret, Georg; Calise, Lucio (Rapport fra Havforskningen;Nr. 6-2011, Working paper, 2011-05)

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

Skaret, Georg; Krafft, Bjørn A.; Trathan, Phil (Rapport fra Havforskningen;Nr. 9-2013, Working paper, 2013-04)

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

Skaret, Georg; Krafft, Bjørn A.; Krag, Ludvig A.; Pedersen, Ronald (Rapport fra Havforskningen;9-2015, Working paper, 2015-05)

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

Krafft, Bjørn A.; Skaret, Georg; Knutsen, Tor; Melle, Webjørn; Klevjer, Thor A.; Søiland, Henrik (Journal article; Peer reviewed, 2012-09-28)

Knowledge about swarm dynamics and underlying causes is essential to understand the ecology and distribution of Antarctic krill Euphausia superba. We collected acoustic data and key environmental data continuously across ...

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

Krafft, Bjørn A.; Krag, Ludvig A.; Klevjer, Thor A.; Skaret, Georg; Pedersen, Ronald (Rapport fra Havforskningen;Nr. 10-2014, Working paper, 2014)

Distribution of sex and age groups of ringed seals Pusa hispida in the fast-ice breeding habitat of Kongsfjorden, Svalbard

Krafft, Bjørn A.; Kovacs, Kit M.; Lydersen, Christian (Journal article; Peer reviewed, 2007-04-16)

Spatial distribution of various age- and sex groups of ringed seals (N = 94; 19 adult males, 33 adult females and 42 subadults) was studied in their fast-ice breeding habitat in Kongsfjorden, Svalbard, during May 2004. ...

Impact of climate change on Antarctic krill

Flores, Humberto; Atkinson, A.; Kawaguchi, So; Krafft, Bjørn A.; Milinevsky, Gennadi; Nicol, Stewart; Reiss, Christian; Tarling, Geraint Andrew; Werner, R.; Rebolledo, E. Bravo; Cirelli, V.; Cuzin-Roudy, J.; Fielding, Sophie; Groeneveld, J.J.; Haraldsson, Matilda; Lombana, Alfonso V.; Marschoff, Enrique R.; Meyer, Bettina; Pakhomov, Evgeny A.; Rombola, Emilce; Schmidt, Katrin; Siegel, Volker; Teschke, Mathias; Tonkes, Henrieke; Toullec, Jean-Yves; Trathan, Philip N.; Tremblay, Nelly; Van de Putte, Anton Pieter; van Franeker, Jan Andries; Werner, Thorsten (Journal article; Peer reviewed, 2012-07-03)

Antarctic krill Euphausia superba (hereafter ‘krill’) occur in regions undergoing rapid environmental change, particularly loss of winter sea ice. During recent years, harvesting of krill has in - creased, possibly ...

Prey selection of offshore killer whales Orcinus orca in the Northeast Atlantic in late summer: spatial associations with mackerel

Nøttestad, Leif; Sivle, Lise Doksæter; Krafft, Bjørn A.; Langård, Lise; Anthonypillai, Valantine; Bernasconi, Matteo; Langøy, Herdis; Fernö, Anders (Journal article; Peer reviewed, 2014-03-03)

The traditional perception of prey species preference of killer whales Orcinus orca L. in the Northeast Atlantic has, to a large extent, been linked to herring Clupea harengus L. Few studies have investigated the feeding ...