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Per Johan Jakobsen

Professor
  • E-mailPer.Jakobsen@uib.no
  • Phone+47 55 58 44 86+47 975 57 113
  • Visitor Address
    Thormøhlensgt. 53 A/B
  • Postal Address
    Postboks 7803
    5020 Bergen
Textbook
  • Giske, Jarl; Jakobsen, Per Johan. 2007. Evolusjon og økologi. En innføring. 2. utgave. Fagbokforlaget.
  • Giske, Jarl; Jakobsen, Per Johan. 1999. Evolusjon og økologi - en innføring. Fagbokforlaget.
Academic article
  • Wacker, Sebastian; Larsen, Bjørn Mejdell; Jakobsen, Per Johan; Karlsson, Sten. 2019. Multiple paternity promotes genetic diversity in captive breeding of a freshwater mussel. Global Ecology and Conservation.
  • Marwaha, Janhavi; Aase, Hans; Geist, Juergen; Stoeckle, Bernhard C; Kuehn, Ralph; Jakobsen, Per Johan. 2019. Host (Salmo trutta) age influences resistance to infestation by freshwater pearl mussel (Margaritifera margaritifera) glochidia. Parasitology Research. 1519-1532.
  • Erin, Noémie; Benesh, Daniel P; Henrich, Tina; Samonte, Irene E; Jakobsen, Per Johan; Kalbe, Martin. 2019. Examining the role of parasites in limiting unidirectional gene flow between lake and river sticklebacks. Journal of Animal Ecology.
  • Wacker, Sebastian; Larsen, Bjørn Mejdell; Jakobsen, Per Johan; Karlsson, Sten. 2018. High levels of multiple paternity in a spermcast mating freshwater mussel. Ecology and Evolution.
  • Schartum, Eivind; Mortensen, Stein; Pittman, Karin; Jakobsen, Per Johan. 2017. From pedal to filter feeding: Ctenidial organogenesis and implications for feeding in the postlarval freshwater pearl mussel Margaritifera margaritifera (Linnaeus, 1758). Journal of molluscan studies. 36-42.
  • 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.
  • Kalbe, Martin; Eizaguirre, Christophe; Scharsack, Jörn Peter; Jakobsen, Per Johan. 2016. Reciprocal cross infection of sticklebacks with the diphyllobothriidean cestode Schistocephalus solidus reveals consistent population differences in parasite growth and host resistance. Parasites & Vectors. 1-12.
  • 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.
  • Giske, Jarl; Eliassen, Sigrunn; Fiksen, Øyvind; Jakobsen, Per Johan; Aksnes, Dag Lorents; Mangel, Marc; Jørgensen, Christian. 2014. The emotion system promotes diversity and evolvability. Proceedings of the Royal Society of London. Biological Sciences.
  • Franke, Frederik; Rahn, Anna K.; Dittmar, Janine; Erin, Noémie; Rieger, Jennifer K.; Haase, David Jürgen; Samonte-Padilla, Irene E.; Lange, Joseph; Jakobsen, Per Johan; Hermida, Miguel; Fernández, Carlos; Kurtz, Joachim; Bakker, Theo C.M.; Reusch, Thorsten B.H.; Kalbe, Martin; Scharsack, Jörn Peter. 2014. Invitro leukocyte response of three-spined sticklebacks (Gasterosteus aculeatus) to helminth parasite antigens. Fish and Shellfish Immunology. 130-140.
  • 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.
  • Giske, Jarl; Eliassen, Sigrunn; Fiksen, Øyvind; Jakobsen, Per Johan; Aksnes, Dag Lorents; Jørgensen, Christian; Mangel, Marc. 2013. Effects of the emotion system on adaptive behavior. American Naturalist. 689-703.
  • Jakobsen, Per Johan; Scharsack, Jörn Peter; Hammerschmidt, Katrin; Deines, Peter; Kalbe, Martin; Milinski, Manfred. 2012. In vitro transition of Schistocephalus solidus (Cestoda) from coracidium to procercoid and from procercoid to plerocercoid. Experimental parasitology. 267-273.
  • Giske, Jarl; Jakobsen, Per Johan; Jørgensen, Christian. 2012. Hva er et menneske? Hjernen mellom natur og kultur i et langt, historisk perspektiv. Arr. Idéhistorisk tidsskrift. 81-85.
  • 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.
  • Knudsen, Frank Reier; Larsson, Petter; Jakobsen, Per Johan. 2006. Acoustic scattering from a larval insect (Chaoborus flavicans) at six echosounder frequencies: Implication for acoustic estimates of fish abundance. Fisheries Research. 84-89.
  • Giske, Jarl; Mangel, Marc; Jakobsen, Per Johan; Huse, Geir; Wilcox, Chris; Strand, Espen. 2003. Explicit trade-off rules in proximate adaptive agents. Evolutionary Ecology Research. 835-865.
  • 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.
  • Wedekind, C.; Jakobsen, Per Johan. 1998. Male-biased susceptibility to helminth infection: An experimental test with a copepod. Oikos. 458-462.
  • 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.
  • Jakobsen, Per Johan; Wedekind, C. 1998. Copepod reaction to odor stimuli influenced by cestode infection. Behavioral Ecology. 414-418.
  • Birkeland, Kjersti; Jakobsen, Per Johan. 1997. Salmon lice, Lepeophtheris salmonis, infestation as a causal agent of premature return to rivers and estuaries by sea trout, Salmo trutta, juvenile. Environmental Biology of Fishes. 129-137.
  • Grimnes, Andrea; Jakobsen, Per Johan. 1996. The physiological effects of salmon lice infection on post-smolt of Atlantic salmon. Journal of Fish Biology. 1179-1194.
  • Nylund, Are; Jakobsen, Per Johan. 1995. Sea trouts as a carrier of infectous salmon anemia virus. Journal of Fish Biology. 174-176.
  • Nylund, Are; Alexandersen, S.; Løvik, P.; Jakobsen, Per Johan. 1994. The response of brown trout (Salmo trutta L.) to repeated challenge with infectious salmonanaemia (ISA). Bulletin of The European Association of Fish Pathologists. 167-170.
  • Nylund, Are; Jakobsen, Per Johan; Løvik, P. 1993. Sjø-ørret; symptomfri bærer av ILA-viruset. Norsk Fiskeoppdrett. 28-29.
Report
  • Grimnes, Andrea; Birkeland, Kjersti; Jakobsen, Per Johan; Finstad, Bengt. 1996. Lakselus - nasjonal og internasjonal kunnskapsstatus. .
Lecture
  • Wacker, Sebastian; Jakobsen, Per Johan; Larsen, Bjørn Mejdell; Karlsson, Sten. 2018. Ivaretaking av genpool til elvemuslingbestander.
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).
Reader opinion piece
  • Mysterud, Iver; Slagsvold, Tore; Mysterud, Ivar; Grinde, Bjørn; Ottesen, Vibeke Kennair; Bendixen, Mons; Kennair, Leif Edward Ottesen; Bongard, Terje; Røskaft, Eivin; Jakobsen, Per Johan. 2010. Skinnuenighet om kvinner, medisin og evolusjonsforskeres syn. Prosa - tidsskrift for skribenter.
Compendium
  • Jakobsen, Per Johan; Giske, Jarl. 1995. Forelesningskompendium for B100 i vårsemesteret. Evolusjon. Økologi.
Thesis at a second degree level
  • Weum, Frode. 2007. Sannsynligheten for samarbeid endres i eksperimentelle itererte fangenes dilemma når belønning og fristelse øker.
Masters thesis
  • Langård, Lise. 2007. The effect of habitat enrichment in the early rearing environment influences anti-predator behaviour in juvenile cod (Gadus morhua L.).
  • Strand, David Allan. 2007. The effect of early rearing environment and social learning on foraging behaviour in juvenile cod (Gadus morhua L.).
  • Eduard, Kjartan. 2007. Size dependent seasonal plasticity in the reproductive tactic of the male Two Spotted Goby, Gobiusculus flavescens (Fabricius).
  • Nilsen, Kjerstin Longva. 2007. How predator kairomones and substrate quality influelnce the behaviour of the European lobster (Homarus gammarus).
Popular scientific article
  • Giske, Jarl; Jakobsen, Per Johan; Jørgensen, Christian. 2012. Fra natur til kultur. Biolog. 12-19.
  • Nylund, Are; Jakobsen, Per Johan; Boxaspen, K. 1992. Lakselus: levesett, virkning og bekjempelse. Norsk Fiskeoppdrett. 16-18.
Doctoral dissertation
  • Jakobsen, Per Johan. 1988. Swarming behaviour as predator defence in cladocerans in relation to their food resources and in the presence of a top predator.
Academic chapter/article/Conference paper
  • Larsen, Bjørn Mejdell; Magerøy, Jon; Jakobsen, Per Johan. 2007. Oselvvassdraget, Hordaland (vassdragsnr. 055.7Z). 16 pages.
  • Fernø, Anders; Huse, Geir; Jakobsen, Per Johan; Kristiansen, Tore S. 2006. The role of fish learning skills in fisheries and aquaculture. 33 pages.
  • Fernø, Anders; Huse, Geir; Jakobsen, Per Johan; Kristiansen, Tore S; Nilsson, Jonatan. 2006. Fish Behaviour,Learning, Aquaculture and Fisheries. 46 pages.

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