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Knut Helge Jensen

Senior Engineer
  • E-mailKnut.Jensen@uib.no
  • Phone+47 55 58 35 98+47 934 46 065
  • Visitor Address
    Thormøhlensgt. 53 A/B
  • Postal Address
    Postboks 7803
    5020 Bergen
Academic article
  • Bjordal, Mari Vold; Jensen, Knut Helge; Sjøtun, Kjersti. 2019. A field study of the edible red alga Vertebrata lanosa (Rhodophyta). Journal of Applied Phycology. 1-11.
  • Krafft, Bjørn Arne; Krag, Ludvig Ahm; Knutsen, Tor; Skaret, Georg; Jensen, Knut Helge; Krakstad, Jens-Otto; Larsen, Stuart; Melle, Webjørn Raunsgård; Iversen, Svein Arnholt; Godø, Olav Rune. 2018. Summer distribution and demography of Antarctic krill Euphausia superba Dana, 1852 (Euphausiacea) at the South Orkney Islands, 2011–2015. Journal of Crustacean Biology. 1-7.
  • Lützen, Jørgen; Jensen, Knut Helge; Glenner, Henrik. 2018. Life history of Sacculina carcini Thompson, 1836 (Cirripedia: Rhizocephala: Sacculinidae) and the intermoult cycle of its host, the shore crab Carcinus maenas (Linnaeus, 1758) (Decapoda: Brachyura: Carcinidae). Journal of Crustacean Biology. 413-419.
  • Paulsen, Torbjørn Rage; Stiller, Sebastian; Weber, Klaus; Donath, Claudia; Schreiband, Gudrun; Jensen, Knut Helge. 2018. A 90-day toxicity and genotoxicity study with high-purity phenylcapsaicin. Toxicology Research and Application. 1-21.
  • Marwaha, Janhavi; Jensen, Knut Helge; Jakobsen, Per Johan; Geist, Jürgen. 2017. Duration of the parasitic phase determines subsequent performance in juvenile freshwater pearl mussels (Margaritifera margaritifera). Ecology and Evolution. 1375-1383.
  • Skorping, Arne; Jensen, Knut Helge; Mennerat, Adele; Högstedt, Göran. 2016. When to reproduce? A new answer to an old question. American Naturalist.
  • Aspaas, Stian; Grefsrud, Ellen Sofie; Fernø, Anders; Jensen, Knut Helge; Trengereid, Henrik; Agnalt, Ann-Lisbeth. 2016. An enriched environment promotes shelter-seeking behaviour and survival of hatchery-produced juvenile European lobster (Homarus gammarus). PLOS ONE.
  • Langård, Lise; Skaret, Georg; Jensen, Knut Helge; Johannessen, Arne; Slotte, Aril; Nøttestad, Leif; Fernø, Anders. 2015. Tracking individual herring within a semi-enclosed coastal marine ecosystem: 3-Dimensional dynamics from pre- To post-spawning. Marine Ecology Progress Series. 267-279.
  • Utne-Palm, Anne Christine; Eduard, Kjartan; Jensen, Knut Helge; Mayer, Ian; Jakobsen, Per Johan. 2015. Size dependent male reproductive tactic in the two-spotted goby (Gobiusculus flavescens). PLOS ONE.
  • Luyiga, Suzan; Haande, Sigrid; Semyalo, Ronald P.; Kizito, Yusuf S.; Miyingo-Kezimbira, Anne; Brettum, Pål; Solheim, Anne Lyche; Odong, Robinson; Asio, Santa Maria; Jensen, Knut Helge; Larsson, Petter. 2015. How water exchange and seasonality affect the eutrophication of Murchison Bay, Lake Victoria. Limnologica. 60-73.
  • Langård, Lise; Fatnes, Ole Andreas; Johannessen, Arne; Skaret, Georg; Axelsen, Bjørn Erik E; Nøttestad, Leif; Slotte, Aril; Jensen, Knut Helge; Fernø, Anders. 2014. State-dependent spatial and intra-school dynamics in pre-spawning herring Clupea harengus in a semi-enclosed ecosystem. Marine Ecology Progress Series. 251-263.
  • Armitage, Caroline Susanne; Sjøtun, Kjersti; Jensen, Knut Helge. 2014. Correlative evidence for competition between fucus serratus and the introduced chlorophyte codium fragile subsp. fragile on the southwest coast of norway. Botanica Marina. 85-97.
  • Eide, Marta; Rusten, Marte; Male, Rune; Jensen, Knut Helge; Goksøyr, Anders. 2014. A characterization of the ZFL cell line and primary hepatocytes as in vitro liver cell models for the zebrafish (Danio rerio). Aquatic Toxicology. 7-17.
  • Marwaha, Janhavi; Jensen, Knut Helge; Jakobsen, Per Johan. 2013. The protection afforded by the outer layer to procercoids of Schistocephalus solidus during passage through the stomach lumen of their vertebrate host (Gasterosteus aculeatus). Experimental parasitology. 12-17.
  • Salvanes, Anne Gro Vea; Moberg, Olav; Ebbesson, Lars O.E.; Nilsen, Tom Ole; Jensen, Knut Helge; Braithwaite, Victoria Anne. 2013. Environmental enrichment promotes neural plasticity and cognitive ability in fish. Proceedings of the Royal Society of London. Biological Sciences. 7 pages.
  • Salvanes, Anne Gro Vea; Moberg, Olav; Ebbesson, Lars O.E.; Nilsen, Tom Ole; Jensen, Knut Helge; Braithwaite, Victoria Anne. 2013. Environmental enrichment promotes neural plasticity and cognative behaviour in fish. Proceedings of the Royal Society of Edinburgh Section B.
  • Magerøy, Jon; Grepperud, Eldfrid Johanne; Jensen, Knut Helge. 2011. Who benefits from reduced reproduction in parasitized hosts? An experimental test using the Pasteuria ramosa-Daphnia magna system. Parasitology. 1910-1915.
  • Michaelsen, Tore Christian; Jensen, Knut Helge; Høgstedt, Gøran. 2011. Topography is a limiting distributional factor in the soprano pipistrelle at its latitudinal extreme. Mammalian Biology. 295-301.
  • Moberg, Olav; Braithwaite, Victoria Anne; Jensen, Knut Helge; Salvanes, Anne Gro Vea. 2011. Effects of habitat enrichment and food availability on the foraging behaviour of juvenile Atlantic Cod (Gadus morhua L). Environmental Biology of Fishes. 449-457.
  • Strand, David Allan; Utne-Palm, Anne Christine; Jakobsen, Per Johan; Braithwaite, Victoria Anne; Jensen, Knut Helge; Salvanes, Anne Gro Vea. 2010. Enrichment promotes learning in fish. Marine Ecology Progress Series. 273-282.
  • Holmstad, Per Ragnvald; Jensen, Knut Helge; Skorping, Arne. 2008. Ectoparasite intensities are correlated with endoparasite infection loads in willow ptarmigan. Oikos. 515-520.
  • Holmstad, Per Ragnvald; Jensen, Knut Helge; Skorping, Arne. 2006. Vector-borne parasites decrease host mobility: A field test of freeze or flee behaviour of willow ptarmigan. International Journal of Parasitology. 735-740.
  • Jensen, Knut Helge; Little, Tom; Skorping, Arne; Ebert, Dieter. 2006. Empirical support for optimal virulence in a castrating parasite. PLoS Biology. 1265-1269.
  • Mucklow, Patrick T.; Vizoso, Dita B.; Jensen, Knut Helge; Refardt, Dominik; Ebert, Dieter. 2004. Variation for phenoloxidase activity and its relation to parasite resistance within and between populations of Daphnia magna. Proceedings of the Royal Society of London. Biological Sciences. 1175-1183.
  • Skorping, Arne; Jensen, Knut Helge. 2004. Disease dynamics: all caused by males? Trends in Ecology & Evolution. 219-220.
  • Jensen, Knut Helge; Larsson, Petter. 2002. Predator evasion in Daphnia: the adaptive value of aggregation associated with attack abatement. Oecologia. 461-467.
  • Jensen, Knut Helge; Larsson, Petter. 2001. Experimental field and laboratory tests of food search in Daphnia pulex. Verhandlungen - Internationale Vereinigung für Theoretische und Angewandte Limnologie. 1795-1802.
  • Jensen, Knut Helge; Larsson, Petter; Høgstedt, Gøran. 2001. Detecting food search in Daphnia in the field. Limnology and Oceanography. 1013-1020.
  • Jensen, Knut Helge; Kleiven, Ole T.; Jakobsen, Per Johan. 1999. How important is light in the aggregating behaviour of Daphnia pulex (Cladocera: Crustacea)? Hydrobiologia. 13-18.
  • Jensen, Knut Helge; Jakobsen, Per Johan; Kleiven, Ole T. 1998. Fish kairomone regulation of internal swarm structure in Daphnia pulex (Cladocera: Crustacea). Hydrobiologia. 123-127.
Popular scientific lecture
  • Salvanes, Anne Gro Vea; Skoglund, Helge; Jensen, Knut Helge; Kambestad, Ove; Henden, Geir Ove; Barlaup, Bjørn Torgeir. 2014. Gir «møblert oppvekst» smartare settefisk med betre overleving?
Academic lecture
  • Utne-Palm, Anne Christine; Edvard, Kjartan; Jensen, Knut Helge; Mayer, Ian; Jakobsen, Per Johan. 2015. Size dependent male reproductive tactic in the two-spotted goby (Gobiusculus flavescens).
  • Rønnestad, Ivar; Angotzi, Anna Rita; Hoang Le, M.T.D; Edvardsen, Rolf; Ebbesson, Lars O.E.; Arukwe, Augustine; Karlsen, Ørjan; van der Meeren, Terje; Jensen, Knut Helge; Jordal, Ann-Elise Olderbakk. 2014. Characterizing appetite controlling system in fast-growing Atlantic cod larvae.
  • Jensen, Knut Helge. 1998. Zooplankton and patchy food distributions.
Academic anthology/Conference proceedings
  • Salvanes, Anne Gro Vea; Devine, Jennifer Ann; Jensen, Knut Helge; Hestetun, Jon Thomassen; Sjøtun, Kjersti; Glenner, Henrik. 2018. Marine Ecological Field Methods - A guide for marine biologists and fisheries scientists. John Wiley & Sons.
Compendium
  • Breistøl, Arild; Jensen, Knut Helge. 1998. Anvendt statistikk ved bruk av SAS/STAT.
Thesis at a second degree level
  • Jensen, Knut Helge. 1996. Spatial distribution of <EM>Daphnia pulex</EM> : the role of fish kairomones, light distribution and food level.
Masters thesis
  • Grepperud, Elfrid Johanne. 2006. Does Daphnia magna Straus adaptively respond to a castrating parasite by changing its mode of reproduction?
Popular scientific article
  • Jensen, Knut Helge. 2004. Flokkdanning hos byttedyr � beskyttelse og kamp om ressurser. Naturen. 37-40.
  • Jensen, Knut Helge; Skorping, Arne. 2004. Akvakultur � oppdrett av sykdomsorganismer? Fiskehelse. 15-19.
Doctoral dissertation
  • Jensen, Knut Helge. 2000. Gregariousness in Daphnia: Significance of food distribution and predator evation.
Academic chapter/article/Conference paper
  • Hestetun, Jon Thomassen; Sjøtun, Kjersti; Aksnes, Dag Lorents; Asplin, Lars; Devine, Jennifer Ann; Falkenhaug, Tone; Glenner, Henrik; Jensen, Knut Helge; Salvanes, Anne Gro Vea. 2018. The marine Environment. 31 pages.
  • Salvanes, Anne Gro Vea; Glenner, Henrik; Devine, Jennifer Ann; Hestetun, Jon Thomassen; Hordnes, Mette; Jensen, Knut Helge; Midtøy, Frank; Sjøtun, Kjersti. 2018. Sorting specimens and preserving materials. 30 pages.
  • Salvanes, Anne Gro Vea; Glenner, Henrik; Aksnes, Dag Lorents; Asplin, Lars; Dahl, Martin; Devine, Jennifer Ann; Engås, Arill; Erga, Svein Rune; Falkenhaug, Tone; Ferter, Keno; Hestetun, Jon Thomassen; Jensen, Knut Helge; Ona, Egil; Rosen, Shale; Sjøtun, Kjersti. 2018. Sampling gears and equipment. 46 pages.
  • Devine, Jennifer Ann; Ferter, Keno; Glenner, Henrik; Hestetun, Jon Thomassen; Jensen, Knut Helge; Nøttestad, Leif; Pennington, Michael Robert; Rees, David John; Salvanes, Anne Gro Vea; Sjøtun, Kjersti; Staby, Arved. 2018. Planning marine field studies. 41 pages.
  • Jensen, Knut Helge; Devine, Jennifer Ann; Glenner, Henrik; Hestetun, Jon Thomassen; Salvanes, Anne Gro Vea; Sjøtun, Kjersti. 2018. Data analysis. 57 pages.
Poster
  • Magerøy, Jon; Grepperud, Elfrid Johanne; Jensen, Knut Helge. 2009. Daphnia magna castrated by Pasteuria ramosa regain reproduction: Testing models on evolution of parasitic castration.
  • Jensen, Knut Helge; Larsson, Petter; Høgstedt, Gøran. 2000. Detecting food search in Daphnia in the field.

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