Per Arne Amundsen

Summary

Publications

  1. pmc New parasites and predators follow the introduction of two fish species to a subarctic lake: implications for food-web structure and functioning
    Per Arne Amundsen
    Department of Arctic and Marine Biology, Faculty of Biosciences, Fisheries and Economics, University of Tromsø, Tromso, Norway
    Oecologia 171:993-1002. 2013
  2. doi request reprint Heavy metal contents in whitefish (Coregonus lavaretus) along a pollution gradient in a subarctic watercourse
    Per Arne Amundsen
    Department of Arctic and Marine Biology, Faculty of Biosciences, Fisheries and Economics, University of Tromsø, 9037 Tromsø, Norway
    Environ Monit Assess 182:301-16. 2011
  3. doi request reprint Food web topology and parasites in the pelagic zone of a subarctic lake
    Per Arne Amundsen
    Department of Aquatic Biosciences, Norwegian College of Fishery Science, University of Tromsø, Tromsø N 9037, Norway
    J Anim Ecol 78:563-72. 2009
  4. doi request reprint Temporal stability of individual feeding specialization may promote speciation
    Rune Knudsen
    Department of Arctic and Marine Biology, University of Tromsø, N 9037 Tromsø, Norway
    J Anim Ecol 79:161-8. 2010
  5. pmc Incipient speciation through niche expansion: an example from the Arctic charr in a subarctic lake
    Rune Knudsen
    Norwegian College of Fishery Science, University of Tromsø, Breivika, 9037 Tromsø, Norway
    Proc Biol Sci 273:2291-8. 2006
  6. ncbi request reprint Intraspecific competition and density dependence of food consumption and growth in Arctic charr
    Per Arne Amundsen
    Department of Aquatic Biosciences, Norwegian College of Fishery Science, University of Tromsø, N 9037 Tromsø, Norway
    J Anim Ecol 76:149-58. 2007
  7. pmc Parallel and non-parallel morphological divergence among foraging specialists in European whitefish (Coregonus lavaretus)
    Anna Siwertsson
    Department of Arctic and Marine Biology, University of Tromsø N 9037 Tromsø, Norway
    Ecol Evol 3:1590-602. 2013
  8. ncbi request reprint Diversity and structure of Chironomidae (Diptera) communities along a gradient of heavy metal contamination in a subarctic watercourse
    Seyed Karim Mousavi
    Department of Marine and Freshwater Biology, Norwegian College of Fishery Science, University of Tromsø, N 9037, Tromso, Norway
    Sci Total Environ 307:93-110. 2003
  9. pmc Invasion genetics of vendace (Coregonus albula (L.)) in the Inari-Pasvik watercourse: revealing the origin and expansion pattern of a rapid colonization event
    Kim Præbel
    Department of Arctic and Marine Biology, Faculty of Biosciences, Fisheries and Economics, University of Tromsø N 9037, Tromsø, Norway
    Ecol Evol 3:1400-12. 2013

Collaborators

Detail Information

Publications9

  1. pmc New parasites and predators follow the introduction of two fish species to a subarctic lake: implications for food-web structure and functioning
    Per Arne Amundsen
    Department of Arctic and Marine Biology, Faculty of Biosciences, Fisheries and Economics, University of Tromsø, Tromso, Norway
    Oecologia 171:993-1002. 2013
    ..Parasites, in particular trophically transmitted species, had a prominent role in the network alterations that followed the introductions...
  2. doi request reprint Heavy metal contents in whitefish (Coregonus lavaretus) along a pollution gradient in a subarctic watercourse
    Per Arne Amundsen
    Department of Arctic and Marine Biology, Faculty of Biosciences, Fisheries and Economics, University of Tromsø, 9037 Tromsø, Norway
    Environ Monit Assess 182:301-16. 2011
    ..Potential population ecology impacts of high heavy metal contaminations where mainly observed in whitefish in Kuetsjarvi, which showed depletions in growth rate, condition factor and size and age at maturation...
  3. doi request reprint Food web topology and parasites in the pelagic zone of a subarctic lake
    Per Arne Amundsen
    Department of Aquatic Biosciences, Norwegian College of Fishery Science, University of Tromsø, Tromsø N 9037, Norway
    J Anim Ecol 78:563-72. 2009
    ..5. The study supports a prominent role for parasites in ecological networks and demonstrates that their incorporation may substantially alter considerations of food-web structure and functioning...
  4. doi request reprint Temporal stability of individual feeding specialization may promote speciation
    Rune Knudsen
    Department of Arctic and Marine Biology, University of Tromsø, N 9037 Tromsø, Norway
    J Anim Ecol 79:161-8. 2010
    ....
  5. pmc Incipient speciation through niche expansion: an example from the Arctic charr in a subarctic lake
    Rune Knudsen
    Norwegian College of Fishery Science, University of Tromsø, Breivika, 9037 Tromsø, Norway
    Proc Biol Sci 273:2291-8. 2006
    ..Apparently, this represents a case of incipient segregation by expansion to new resource types (niche invasion), and not by subdivision of one broad ancestral niche...
  6. ncbi request reprint Intraspecific competition and density dependence of food consumption and growth in Arctic charr
    Per Arne Amundsen
    Department of Aquatic Biosciences, Norwegian College of Fishery Science, University of Tromsø, N 9037 Tromsø, Norway
    J Anim Ecol 76:149-58. 2007
    ..8. The findings demonstrate that quantitative food consumption represents the connective link between population density and individual growth rates, apparently being highly influenced by intraspecific competition for limited resources...
  7. pmc Parallel and non-parallel morphological divergence among foraging specialists in European whitefish (Coregonus lavaretus)
    Anna Siwertsson
    Department of Arctic and Marine Biology, University of Tromsø N 9037 Tromsø, Norway
    Ecol Evol 3:1590-602. 2013
    ..Whitefish in this study may represent an early stage of divergence towards the evolution of specialized morphs. ..
  8. ncbi request reprint Diversity and structure of Chironomidae (Diptera) communities along a gradient of heavy metal contamination in a subarctic watercourse
    Seyed Karim Mousavi
    Department of Marine and Freshwater Biology, Norwegian College of Fishery Science, University of Tromsø, N 9037, Tromso, Norway
    Sci Total Environ 307:93-110. 2003
    ..Densities of Procladius (Holotanypus) spp., Tanytarsus spp. and Chironomus anthracinus were negatively correlated with heavy metal concentrations and these taxa appeared to be the best indicators of heavy metal contamination...
  9. pmc Invasion genetics of vendace (Coregonus albula (L.)) in the Inari-Pasvik watercourse: revealing the origin and expansion pattern of a rapid colonization event
    Kim Præbel
    Department of Arctic and Marine Biology, Faculty of Biosciences, Fisheries and Economics, University of Tromsø N 9037, Tromsø, Norway
    Ecol Evol 3:1400-12. 2013
    ....