Browsing Brage IMR by Author "Jensen, Knut Helge"
Now showing items 1-7 of 7
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An enriched environment promotes shelter-seeking behaviour and survival of hatchery-produced juvenile European lobster (Homarus gammarus)
Aspaas, Stian; Grefsrud, Ellen Sofie; Fernø, Anders; Jensen, Knut Helge; Trengereid, Henrik; Agnalt, Ann-Lisbeth (Journal article, 2016) -
Feeding Hotspots and Distribution of Fin and Humpback Whales in the Norwegian Sea From 2013 to 2018.
Løviknes, Sunniva; Jensen, Knut Helge; Krafft, Bjørn Arne; Anthonypillai, Valentine; Nøttestad, Leif (Peer reviewed; Journal article, 2021)Fin whales (Balaenoptera physalus) and humpback whales (Megaptera novaeangliae) are commonly found in the Norwegian Sea during the summer months. Records from around 1995 to 2004 show that their distribution patterns were ... -
Impact of size-selective mortality on waterfleas (Daphnia)
Wathne, Ingrid; Jensen, Knut Helge; Enberg, Katja; Heino, Mikko (ICES CM Documents;2010/M:25, Working paper, 2010)Size‐selective predation shapes species and induces changes in life‐history traits. Exposure to sizeselective mortality will make being the size that is vulnerable dangerous and possibly fatal; thus, if small individuals ... -
Impact of size-selective mortality on waterfleas (Daphnia)
Wathne, Ingrid; Jensen, Knut Helge; Enberg, Katja; Heino, Mikko (ICES CM Documents;2010/M:25, Working paper, 2010)Size‐selective predation shapes species and induces changes in life‐history traits. Exposure to sizeselective mortality will make being the size that is vulnerable dangerous and possibly fatal; thus, if small individuals ... -
Rapid life-history evolution in a wild Daphnia pulex population in response to novel size-dependent predation
Wathne, Ingrid; Enberg, Katja; Jensen, Knut Helge; Heino, Mikko Petteri (Peer reviewed; Journal article, 2020)The effect of size-selective predation on prey communities and their traits is well documented, but the relative roles of genetic adaptation and phenotypic plasticity continue to be debated. We looked for evidence of genetic ... -
Size Dependent Male Reproductive Tactic in the Two-Spotted Goby (Gobiusculus flavescens)
Utne-Palm, Anne Christine; Eduard, Kjartan; Jensen, Knut Helge; Mayer, Ian; Jakobsen, Per Johan (Journal article; Peer reviewed, 2015-12-07)Male investment in testes and sperm duct gland in the polygamous nest breeding two-spotted goby Gobiusculus flavescens (Fabricius) was investigated in relation to time in reproductive season and individual physical parameters. ... -
Summer distribution and demography of Antarctic krill Euphausia superba Dana, 1852 (Euphausiacea) at the South Orkney Islands, 2011–2015
Krafft, Bjørn Arne; Knutson, T; Krag, Ludvig Ahm; Jensen, Knut Helge; Skaret, Georg; Krakstad, Jens-Otto; Larsen, Stuart; Melle, Webjørn Raunsgård; Iversen, Svein Arnholt; Godø, Olav Rune (Journal article; Peer reviewed, 2018)We carried out a survey of Antarctic krill (Euphausia superbaDana, 1850) from 2011 to 2015 to establish a long-term, time-series dataset of distribution, abundance, and demography for this species in the South Orkney Islands ...