Per-Arne Amundsen, IAB
 Norwegian College of Fishery Science 
Research
- Population and community ecology
- Feeding ecology and interactions in freshwater and anadromous fish communities
- Competition, predation and parasitism
- Invasion biology
- Ecological speciation in salmonids in postglacial lakes
- Management and rehabilitation of fish populations
- Environmental effects of heavy metal pollution



Teaching areas
- Basic and advanced courses in ecology (Bio-1005 and Bio-3505)
- Basic and advanced courses in freshwater biology and ecology (Bio-2501, Bio-2505, Bio-3513, Bio-3521 and Bio-3524)
- Supervision of master and PhD students



Selected publications

  • Persson, L., Amundsen, P.-A., De Roos, A.M., Klemetsen, A., Knudsen, R. & Primicerio, R. 2007. Culling prey promotes predator recovery – alternative states in a whole-lake experiment. Science 316, 1743-1746.
    Amundsen, P.-A., Knudsen, R. & Klemetsen, A. 2007. Intraspecific competition and density dependence of food consumption and growth in Arctic charr. J. Anim. Ecol. 76, 149-158.
  • Knudsen, R., Klemetsen, A., Amundsen, P.-A. & Hermansen, B. 2006. Incipient speciation through niche expansion: an example from the Arctic charr in a subarctic lake. Proc. Roy. Soc. B 273, 2291-2298.
  • Østbye, K., Amundsen, P.-A., Bernatchez, L., Klemetsen, A., Knudsen, R., Kristoffersen, R., Næsje, T. & Hindar, K. 2006. Parallel evolution of eco-morphological traits in European whitefish Coregonus lavaretus (L.) during postglacial times. Molecular Ecology 15, 3083-4001.
    Amundsen, P.-A., Knudsen, R., Klemetsen, A. & Kristoffersen, R. 2004. Resource partitioning and interactive segregation between sympatric whitefish morphs. Ann. Zool. Fennici 41, 301-307.
  • Bøhn, T. & Amundsen, P.-A. 2004. Ecological interactions and biodiversity: forgotten parts of biodiversity? BioScience 54, 804-805.
    Bøhn, T. & Amundsen, P.-A. 2001. The competitive edge of an invading specialist. Ecology 82, 2150-2163.
  • Klemetsen, A., Amundsen, P.-A., Dempson, B., Jonsson, B., Jonsson, N., O’Connell, M.F. & Mortensen, E. 2003. Atlantic salmon Salmo salar L., brown trout Salmo trutta L. and Arctic charr Salvelinus alpinus (L.): a review of aspects of their life histories. Ecol. Freshw. Fish 12, 1-59.
    Amundsen, P.-A., Gabler, H., Herfindal, T. & Riise, L.S. 2000. Feeding chronology of Atlantic salmon parr in subarctic rivers: consistency of nocturnal feeding. J. Fish Biol. 56, 676-686.



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Course leader for
BIO-3505
Bio-3521
Production
Master degrees
Ph.D. Candidates
Int. master degrees
Projects
Publications
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