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Per-Arne-Amundsen
Photo: Karl Øystein Gjelland
Per-Arne-Amundsen
Department of Arctic and Marine Biology per-arne.amundsen@uit.no +4777644539 91833497 Tromsø NFH C 202

Per-Arne Amundsen

Professor in freshwater ecology

Job description

Professor in Freshwater Ecology

  • Soldánová, Miroslava; Born-Torrijos, Ana; Kristoffersen, Roar; Knudsen, Rune; Amundsen, Per-Arne; Scholz, Tomas. Cercariae of a Bird Schistosome Follow a Similar Emergence Pattern under Different Subarctic Conditions: First Experimental Study. Pathogens 2022; Volum 11 (647). ISSN 2076-0817.s doi: https://doi.org/10.3390/ pathogens11060647.
  • Kelly, Brianne; Amundsen, Per-Arne; Power, Michael. Trophic niche segregation among native whitefish and invasive vendace in a north Norwegian lake system. Ecology of Freshwater Fish 2021; Volum 31. ISSN 0906-6691.s 143 - 153.s doi: 10.1111/eff.12620.
  • Sanchez-Hernandez, Javier; Finstad, Anders Gravbrøt; Arnekleiv, Jo Vegar; Kjærstad, Gaute; Amundsen, Per-Arne. Beyond ecological opportunity: prey diversity rather than abundance shapes predator niche variation. Freshwater Biology 2021; Volum 66 (1). ISSN 0046-5070.s 44 - 61.s doi: 10.1111/fwb.13606.
  • Prati, Sebastian; Henriksen, Eirik Haugstvedt; Smalås, Aslak; Knudsen, Rune; Klemetsen, Anders; Sanchez-Hernandez, Javier; Amundsen, Per-Arne. The effect of inter- and intraspecific competition on individual and population niche widths: a four-decade study on two interacting salmonids. Oikos 2021; Volum 130 (10). ISSN 0030-1299.s 1679 - 1691.s doi: 10.1111/oik.08375.
  • Born-Torrijos, Ana; Van Beest, Gabrielle S.; Vyhlídalová, Tereza; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne; Thieltges, David W.; Soldánová, Miroslava. Taxa-specific activity loss and mortality patterns in freshwater trematode cercariae under subarctic conditions. Parasitology 2021. ISSN 0031-1820.s doi: 10.1017/S0031182021002006.
  • Alfredsen, K.; Amundsen, P.-A.; Hahn, L.; Harrison, P.M.; Helland, Ingeborg Palm; Martins, E.G.; Twardek, W.M.; Power, M.. A synoptic history of the development, production and environmental oversight of hydropower in Brazil, Canada, and Norway. Hydrobiologia 2021; Volum 849. ISSN 0018-8158.s 269 - 280.s doi: 10.1007/s10750-021-04709-4.
  • Eloranta, Antti; Finstad, Anders Gravbrøt; Sandlund, Odd Terje; Knudsen, Rune; Kuparinen, Anna; Amundsen, Per-Arne. Species interactions, environmental gradients and body size shape population niche width. Journal of Animal Ecology 2021; Volum 91. ISSN 0021-8790.s 154 - 169.s doi: 10.1111/1365-2656.13611.
  • Klutsch, Cornelya; Maduna, Simo; Polikarpova, Natalia; Forfang, Kristin; Beddari, Benedicte Lissner; Gjelland, Karl Øystein; Aspholm, Paul Eric; Amundsen, Per-Arne; Hagen, Snorre. Temporal analysis shows relaxed genetic erosion following improved stocking practices in a subarctic transnational brown trout population. Scientific Reports 2021; Volum 11. ISSN 2045-2322.s 1 - 15.s doi: 10.1038/s41598-021-96681-1.
  • Born-Torrijos, Ana; Paterson, Rachel; van Beest, Gabrielle; Vyhlídalová, Tereza; Henriksen, Eirik Haugstvedt; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne; Soldánová, Miroslava. Cercarial behaviour alters the consumer functional response of three-spined sticklebacks. Journal of Animal Ecology 2021; Volum 90. ISSN 0021-8790.s 978 - 988.s doi: 10.1111/1365-2656.13427.
  • Prati, Sebastian; Henriksen, Eirik Haugstvedt; Knudsen, Rune; Amundsen, Per-Arne. Seasonal dietary shifts enhance parasite transmission to lake salmonids during ice cover. Ecology and Evolution 2020; Volum 10. ISSN 2045-7758.s 4031 - 4043.s doi: 10.1002/ece3.6173.
  • Thibert-Plante, Xavier; Præbel, Kim; Østbye, Kjartan; Kahilainen, Kimmo Kalevi; Amundsen, Per-Arne; Gavrilets, Sergey. Using mathematical modelling to investigate the adaptive divergence of whitefish in Fennoscandia. (data) (fulltekst) Scientific Reports 2020; Volum 10. ISSN 2045-2322.s doi: 10.1038/s41598-020-63684-3.
  • Prati, Sebastian; Henriksen, Eirik Haugstvedt; Knudsen, Rune; Amundsen, Per-Arne. Impacts of ontogenetic dietary shifts on the food-transmitted intestinal parasite communities of two lake salmonids. International Journal for Parasitology: Parasites and Wildlife 2020; Volum 12. ISSN 2213-2244.s 155 - 164.s doi: 10.1016/j.ijppaw.2020.06.002.
  • Born-Torrijos, Ana; Paterson, Rachel; van Beest, Gabrielle; Schwelm, Jessica; Vyhlídalová, Tereza; Henriksen, Eirik Haugstvedt; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne; Soldánová, Miroslava. Temperature does not influence functional response of amphipods consuming different trematode prey. Parasitology Research 2020. ISSN 0932-0113.s doi: 10.1007/s00436-020-06859-1.
  • Perrin, Sam Wenaas; Englund, Göran; Blumentrath, Stefan; OHara, Robert Brian; Amundsen, Per-Arne; Finstad, Anders Gravbrøt. Integrating dispersal along freshwater ecosystems into species distribution models. Diversity and Distributions: A journal of biological invasions and biodiversity 2020; Volum 26. ISSN 1366-9516.s 1598 - 1611.s doi: 10.1111/ddi.13112.
  • Shaw, Jenny Carolyn; Henriksen, Eirik Haugstvedt; Knudsen, Rune; Kuhn, Jesper Andreas; Kuris, Armand M.; Lafferty, Kevin D.; Siwertsson, Anna; Soldánová, Miroslava; Amundsen, Per-Arne. High parasite diversity in the amphipod Gammarus lacustris in a subarctic lake. Ecology and Evolution 2020; Volum 10 (21). ISSN 2045-7758.s 12385 - 12394.s doi: 10.1002/ece3.6869.
  • Klemetsen, Anders; Aase, Berit Margrethe; Amundsen, Per-Arne. Diversity, abundance, and life histories of littoral chydorids (Cladocera: Chydoridae) in a subarctic European lake. Journal of Crustacean Biology 2020; Volum 40 (5). ISSN 0278-0372.s 534 - 543.s doi: 10.1093/jcbiol/ruaa048.
  • Smalås, Aslak; Strøm, John Fredrik; Amundsen, Per-Arne; Dieckmann, Ulf; Primicerio, Raul. Climate warming is predicted to enhance the negative effects of harvesting on high‐latitude lake fish. Journal of Applied Ecology 2019; Volum 57 (2). ISSN 0021-8901.s 270 - 282.s doi: 10.1111/1365-2664.13535.
  • Braaten, Hans Fredrik Veiteberg; Åkerblom, Staffan; Kahilainen, Kimmo Kalevi; Rask, Martti; Vuorenmaa, Jussi; Mannio, Jaakko; Malinen, Tommi; Lydersen, Espen; Poste, Amanda; Amundsen, Per-Arne; Kashulin, Nicholas; Kashulina, Tatiana; Terentyev, Petr; Christensen, Guttorm; de Wit, Heleen. Improved Environmental Status: 50 Years of Declining Fish Mercury Levels in Boreal and Subarctic Fennoscandia. Environmental Science and Technology 2019; Volum 53 (4). ISSN 0013-936X.s 1834 - 1843.s doi: 10.1021/acs.est.8b06399.
  • Sanchez-Hernandez, Javier; Finstad, Anders Gravbrøt; Arnekleiv, Jo Vegar; Kjærstad, Gaute; Amundsen, Per-Arne. Drivers of diet patterns in a globally distributed freshwater fish species. Canadian Journal of Fisheries and Aquatic Sciences 2019; Volum 76 (8). ISSN 0706-652X.s 1263 - 1274.s doi: 10.1139/cjfas-2018-0207.
  • Hayden, B.; Harrod, C.; Thomas, S.M.; Eloranta, Antti; Myllykangas, J.‐P.; Siwertsson, Anna; Præbel, Kim; Knudsen, Rune; Amundsen, Per-Arne; Kahilainen, Kimmo Kalevi. From clear lakes to murky waters – tracing the functional response of high-latitude lake communities to concurrent ‘greening’ and ‘browning’. Ecology Letters 2019; Volum 22. ISSN 1461-023X.s 807 - 816.s doi: 10.1111/ele.13238.
  • Henriksen, Eirik Haugstvedt; Frainer, André; Knudsen, Rune; Kristoffersen, Roar; Kuris, Armand M.; Lafferty, Kevin D.; Amundsen, Per-Arne. Fish culling reduces tapeworm burden in Arctic charr by increasing parasite mortality rather than by reducing density-dependent transmission. Journal of Applied Ecology 2019; Volum 56 (6). ISSN 0021-8901.s 1482 - 1491.s doi: 10.1111/1365-2664.13369.
  • Klutsch, Cornelya; Maduna, Simo; Polikarpova, Natalia; Forfang, Kristin; Aspholm, Paul Eric; Nyman, Tommi; Eiken, Hans Geir; Amundsen, Per-Arne; Hagen, Snorre. Genetic changes caused by restocking and hydroelectric dams in demographically bottlenecked brown trout in a transnational subarctic riverine system. Ecology and Evolution 2019; Volum 9 (10). ISSN 2045-7758.s 6068 - 6081.s doi: 10.1002/ece3.5191.
  • Moccetti, Paolo Maria; Siwertsson, Anna; Kjær, Runar; Amundsen, Per-Arne; Præbel, Kim; Tamayo, Ana-Maria Peris; Power, Michael; Knudsen, Rune. Contrasting patterns in trophic niche evolution of polymorphic Arctic charr populations in two subarctic Norwegian lakes. Hydrobiologia 2019; Volum 840 (1). ISSN 0018-8158.s 281 - 299.s doi: 10.1007/s10750-019-3969-9.
  • Skulason, Skuli; Parsons, Kevin J; Svanback, Richard; Räsänen, Katja; Ferguson, Moira M; Adams, Colin Ean; Amundsen, Per-Arne; Bartels, Pia; Bean, Colin W.; Boughman, Janette W.; Englund, Göran; Gudbrandsson, Johannes; Hooker, Oliver E.; Hudson, Alan G; Kahilainen, Kimmo Kalevi; Knudsen, Rune; Kristjánsson, Bjarni Kr.; Leblanc, Camille A-L; Jonsson, Zophonias; Ohlund, Gunnar; Smith, Carl; Snorrason, Sigurdur S. A way forward with eco evo devo: an extended theory of resource polymorphism with postglacial fishes as model systems. (fulltekst) Biological Reviews 2019; Volum 94 (5). ISSN 1464-7931.s 1786 - 1808.s doi: 10.1111/brv.12534.
  • Johansen, Ida Beitnes; Henriksen, Eirik Haugstvedt; Shaw, Jenny Carolyn; Mayer, Ian; Amundsen, Per-Arne; Øverli, Øyvind. Contrasting associations between breeding coloration and parasitism of male Arctic charr relate to parasite species and life cycle stage. Scientific Reports 2019; Volum 9. ISSN 2045-2322.s doi: 10.1038/s41598-019-47083-x.
  • Thomas, Stephen M; Kainz, Martin J.; Amundsen, Per-Arne; Hayden, Brian; Taipale, Sami Johan; Kahilainen, Kimmo Kalevi. Resource polymorphism in European whitefish: Analysis of fatty acid profiles provides more detailed evidence than traditional methods alone. PLOS ONE 2019; Volum 14 (8). ISSN 1932-6203.s doi: 10.1371/journal.pone.0221338.
  • Laske, Sarah M.; Amundsen, Per-Arne; Christoffersen, Kirsten Seestern; Erkinaro, Jaakko; Guðbergsson, Guðni; Hayden, Brian; Heino, Jani; Holmgren, Kerstin; Kahilainen, Kimmo Kalevi; Lento, Jennifer; Orell, Panu; Östergren, Jan; Power, Michael; Rafikov, Ruslan; Romakkaniemi, Atso; Svenning, Martin; Swanson, Heidi; Whitman, Matthew; Zimmerman, Christian E.. Circumpolar patterns of Arctic freshwater fish biodiversity: A baseline for monitoring. Freshwater Biology 2019; Volum 67. ISSN 0046-5070.s 176 - 193.s doi: 10.1111/fwb.13405.
  • Amundsen, Per-Arne; Sanchez-Hernandez, Javier. Feeding studies take guts - critical review and recommendations of methods for stomach contents analysis in fish. Journal of Fish Biology 2019; Volum 95 (6). ISSN 0022-1112.s 1364 - 1373.s doi: 10.1111/jfb.14151.
  • Häkli, Katja; Østbye, Kjartan; Kahilainen, Kimmo Kalevi; Amundsen, Per-Arne; Præbel, Kim. Diversifying selection drives parallel evolution of gill raker number and body size along the speciation continuum of European whitefish. Ecology and Evolution 2018; Volum 8 (5). ISSN 2045-7758.s 2617 - 2631.s doi: 10.1002/ece3.3876.
  • Frainer, André; McKie, Brendan G.; Amundsen, Per-Arne; Knudsen, Rune; Lafferty, Kevin. Parasitism and the Biodiversity-Functioning Relationship. Trends in Ecology & Evolution 2018; Volum 33 (4). ISSN 0169-5347.s 260 - 268.s doi: 10.1016/j.tree.2018.01.011.
  • Sanchez-Hernandez, Javier; Nunn, Andy D; Adams, Colin Ean; Amundsen, Per-Arne. Causes and consequences of ontogenetic dietary shifts: a global synthesis using fish models. Biological Reviews 2018; Volum 94. ISSN 1464-7931.s 539 - 554.s doi: 10.1111/brv.12468.
  • Sanchez-Hernandez, Javier; Amundsen, Per-Arne. Ecosystem type shapes trophic position and omnivory in fishes. Fish and Fisheries 2018; Volum 19 (6). ISSN 1467-2960.s 1003 - 1015.s doi: 10.1111/faf.12308.
  • Amundsen, Per-Arne; Primicerio, Raul; Smalås, Aslak; Henriksen, Eirik Haugstvedt; Knudsen, Rune; Kristoffersen, Roar; Klemetsen, Anders. Long-term ecological studies in northern lakes – challenges, experiences and accomplishments. Limnology and Oceanography 2018; Volum 64. ISSN 0024-3590.s S11 - S21.s doi: 10.1002/lno.10951.
  • Sanchez-Hernandez, Javier; Eloranta, Antti; Finstad, Anders Gravbrøt; Amundsen, Per-Arne. Community structure affects trophic ontogeny in a predatory fish. Ecology and Evolution 2017; Volum 7 (1). ISSN 2045-7758.s 358 - 367.s doi: 10.1002/ece3.2600.
  • Hirsch, Philipp E.; Eloranta, Antti; Amundsen, Per-Arne; Brabrand, Åge; Charmasson, Julie; Helland, Ingeborg Palm; Power, Michael John; Sanchez-Hernandez, Javier; Sandlund, Odd Terje; Sauterleute, Julian Friedrich; Skoglund, Sigrid Østrem; Ugedal, Ola; Yang, Hong. Effects of water level regulation in alpine hydropower reservoirs: an ecosystem perspective with a special emphasis on fish. Hydrobiologia 2017; Volum 794 (1). ISSN 0018-8158.s 287 - 301.s doi: 10.1007/s10750-017-3105-7.
  • Jensen, Hallvard; Kiljunen, Mikko; Knudsen, Rune; Amundsen, Per-Arne. Resource Partitioning in Food, Space and Time between Arctic Charr (Salvelinus alpinus), Brown Trout (Salmo trutta) and European Whitefish (Coregonus lavaretus) at the Southern Edge of Their Continuous Coexistence. PLOS ONE 2017; Volum 12 (1). ISSN 1932-6203.s doi: 10.1371/journal.pone.0170582.
  • Simonsen, Marianne; Siwertsson, Anna; Adams, Colin Ean; Amundsen, Per-Arne; Præbel, Kim; Knudsen, Rune. Allometric trajectories of body and head morphology in three sympatric Arctic charr (Salvelinus alpinus (L.)) morphs. Ecology and Evolution 2017; Volum 7 (18). ISSN 2045-7758.s 7277 - 7289.s doi: 10.1002/ece3.3224.
  • Soldánová, Miroslava; Georgieva, Simona; Roháčová, Jana; Knudsen, Rune; Kuhn, Jesper Andreas; Henriksen, Eirik Haugstvedt; Siwertsson, Anna; Shaw, Jenny C.; Kuris, Armand M.; Amundsen, Per-Arne; Scholz, Tomas; Lafferty, Kevin D.; Kostadinova, Aneta. Molecular analyses reveal high species diversity of trematodes in a sub-Arctic lake. International Journal of Parasitology 2017; Volum 47 (6). ISSN 0020-7519.s 327 - 345.s doi: 10.1016/j.ijpara.2016.12.008.
  • Sanchez-Hernandez, Javier; Gabler, Heidi Marie; Amundsen, Per-Arne. Prey diversity as a driver of resource partitioning between river-dwelling fish species. Ecology and Evolution 2017; Volum 7 (7). ISSN 2045-7758.s 2058 - 2068.s doi: 10.1002/ece3.2793.
  • Kainz, M.J.; Hager, H.H.; Rasconi, S.; Kahilainen, Kimmo K.; Amundsen, Per-Arne; Hayden, B.. Polyunsaturated fatty acids in fishes increase with total lipids irrespective of feeding sources and trophic position. Ecosphere 2017; Volum 8 (4). ISSN 2150-8925.s doi: 10.1002/ecs2.1753.
  • Smalås, Aslak; Amundsen, Per-Arne; Knudsen, Rune. The trade-off between fecundity and egg size in a polymorphic population of Arctic charr (Salvelinus alpinus (L.)) in Skogsfjordvatn, subarctic Norway. Ecology and Evolution 2017; Volum 7 (7). ISSN 2045-7758.s 2018 - 2024.s doi: 10.1002/ece3.2669.
  • Frainer, André; Johansen, Kristin M. Sommerseth; Siwertsson, Anna; Mousavi, Seyed Ali; Brittain, John Edward; Klemetsen, Anders; Knudsen, Rune; Amundsen, Per-Arne. Variation in benthic invertebrate functional trait diversity and composition across depths and seasons in a subarctic lake. Fundamental and Applied Limnology 2016; Volum 188 (2). ISSN 1863-9135.s 103 - 112.s doi: 10.1127/fal/2016/0839.
  • Præbel, Kim; Couton, Majorie; Knudsen, Rune; Amundsen, Per-Arne. Genetic consequences of allopatric and sympatric divergence in Arctic charr (Salvelinus alpinus (L.)) from Fjellfrøsvatn as inferred by microsatellite markers. Hydrobiologia 2016; Volum 783. ISSN 0018-8158.s 257 - 267.s doi: 10.1007/s10750-016-2648-3.
  • Knudsen, Rune; Amundsen, Per-Arne; Eloranta, Antti; Hayden, Brian; Siwertsson, Anna; Klemetsen, Anders. Parallel evolution of profundal Arctic charr morphs in two contrasting fish communities. Hydrobiologia 2016; Volum 783. ISSN 0018-8158.s 239 - 248.s doi: 10.1007/s10750-016-2647-4.
  • Knudsen, Rune; Gjelland, Karl Øystein; Eloranta, Antti; Hayden, Brian; Siwertsson, Anna; Amundsen, Per-Arne; Klemetsen, Anders. A specialised cannibalistic Arctic charr morph in the piscivore guild of a subarctic lake. Hydrobiologia 2016; Volum 783. ISSN 0018-8158.s 65 - 78.s doi: 10.1007/s10750-015-2601-x.
  • Thomas, Stephen; Kiljunen, Mikko; Malinen, Tommi; Eloranta, Antti; Amundsen, Per-Arne; Lodenius, Martin; Kahilainen, Kimmo K.. Food-web structure and mercury dynamics in a large subarctic lake following multiple species introductions. Freshwater Biology 2016; Volum 61 (4). ISSN 0046-5070.s 500 - 517.s doi: 10.1111/fwb.12723.
  • Kahilainen, Kimmo K.; Thomas, Stephen; Keva, Ossi; Hayden, Brian; Knudsen, Rune; Eloranta, Antti; Tuohiluoto, Kaisu; Amundsen, Per-Arne; Malinen, Tommi; Järvinen, Antero. Seasonal dietary shift to zooplankton influences stable isotope ratios and total mercury concentrations in Arctic charr (Salvelinus alpinus (L.)). Hydrobiologia 2016; Volum 783. ISSN 0018-8158.s 47 - 63.s doi: 10.1007/s10750-016-2685-y.
  • Kuhn, Jesper Andreas; Knudsen, Rune; Kristoffersen, Roar; Primicerio, Raul; Amundsen, Per-Arne. Temporal changes and between-host variation in the intestinal parasite community of Arctic charr in a subarctic lake. Hydrobiologia 2016; Volum 783. ISSN 0018-8158.s 79 - 91.s doi: 10.1007/s10750-016-2731-9.
  • Eloranta, Antti; Sanchez-Hernandez, Javier; Amundsen, Per-Arne; Skoglund, Sigrid Østrem; Brush, Jaclyn; Henriksen, Eirik Haugstvedt; Power, Michael. Water level regulation affects niche use of a lake top predator, Arctic charr (Salvelinus alpinus). Ecohydrology 2016; Volum 10:e1766. ISSN 1936-0584.s 1 - 9.s doi: 10.1002/eco.1766.
  • Siwertsson, Anna; Refsnes, Birgitte; Frainer, André; Amundsen, Per-Arne; Knudsen, Rune. Divergence and parallelism of parasite infections in Arctic charr morphs from deep and shallow lake habitats. Hydrobiologia 2016; Volum 783. ISSN 0018-8158.s 131 - 143.s doi: 10.1007/s10750-015-2563-z.
  • Amundsen, Per-Arne. Contrasting life-history strategies facilitated by cannibalism in a stunted Arctic charr population. Hydrobiologia 2016. ISSN 0018-8158.s 1 - 9.s doi: 10.1007/s10750-015-2600-y.
  • Kuhn, Jesper Andreas; Frainer, André; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne. Effects of fish species composition on Diphyllobothrium spp. infections in subarctic brown trout - is three-spined stickleback a key species?. Journal of Fish Diseases 2016; Volum 39 (11). ISSN 0140-7775.s 1313 - 1323.s doi: 10.1111/jfd.12467.
  • Sanchez-Hernandez, Javier; Gabler, Heidi Marie; Amundsen, Per-Arne. From autochthonous to allochthonous resources: Seasonal shifts in food use by stream-dwelling YOY Arctic charr Salvelinus alpinus through the ice-free season. Journal of Fish Biology 2016; Volum 88 (2). ISSN 0022-1112.s 767 - 773.s doi: 10.1111/jfb.12817.
  • Sanchez-Hernandez, Javier; Gabler, Heidi Marie; Elliott, J. Malcolm; Amundsen, Per-Arne. Use of a growth model to assess the suboptimal growth of Atlantic salmon parr in a subarctic river. Ecology of Freshwater Fish 2016; Volum 25. ISSN 0906-6691.s 518 - 526.s doi: 10.1111/eff.12230.
  • Kuhn, Jesper Andreas; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne. A simplified method to estimate Diphyllobothrium spp. infection in salmonids. Journal of Fish Diseases 2016; Volum 40 (7). ISSN 0140-7775.s 863 - 871.s doi: 10.1111/jfd.12566.
  • Sanchez-Hernandez, Javier; Amundsen, Per-Arne. Trophic ecology of brown trout (Salmo trutta L.) in subarctic lakes. Ecology of Freshwater Fish 2015; Volum 24 (1). ISSN 0906-6691.s 148 - 161.s doi: 10.1111/eff.12139.
  • Eloranta, Antti; Kahilainen, Kimmo K.; Amundsen, Per-Arne; Knudsen, Rune; Harrod, Chris; Jones, Roger I.. Lake size and fish diversity determine resource use and trophic position of a top predator in high-latitude lakes. Ecology and Evolution 2015; Volum 5 (8). ISSN 2045-7758.s 1664 - 1675.s doi: 10.1002/ece3.1464.
  • Kuhn, Jesper Andreas; Kristoffersen, Roar; Knudsen, Rune; Jakobsen, Jonas; Marcogliese, D. J.; Locke, S. A.; Primicerio, Raul; Amundsen, Per-Arne. Parasite communities of two three-spined stickleback populations in subarctic Norway—effects of a small spatial-scale host introduction. Parasitology Research 2015; Volum 114 (4). ISSN 0932-0113.s 1327 - 1339.s doi: 10.1007/s00436-015-4309-2.
  • Sanchez-Hernandez, Javier; Cobo, F; Amundsen, Per-Arne. A simple approach for assigning the conservation status of freshwater fish based on their natural variability - a case study from the Iberian Ecoregion. Fisheries Management and Ecology 2015; Volum 22 (2). ISSN 0969-997X.s 125 - 133.s doi: 10.1111/fme.12103.
  • Eloranta, Antti; Knudsen, Rune; Amundsen, Per-Arne; Merilä, Juha. Consistent isotopic differences between Schistocephalus spp. parasites and their stickleback hosts. Diseases of Aquatic Organisms 2015; Volum 115 (2). ISSN 0177-5103.s 121 - 128.s doi: 10.3354/dao02893.
  • Skoglund, Sigrid Østrem; Siwertsson, Anna; Knudsen, Rune; Amundsen, Per-Arne. Morphological divergence between three Arctic charr morphs - the significance of the deep-water environment. Ecology and Evolution 2015; Volum 5 (15). ISSN 2045-7758.s 3114 - 3129.s doi: 10.1002/ece3.1573.
  • Jensen, Hallvard; Kahilainen, Kimmo K.; Vinni, M.; Gjelland, Karl Øystein; Malinen, Tommi; Harrod, Chris; Amundsen, Per-Arne. Food consumption rates of piscivorous brown trout (Salmo trutta) foraging on contrasting coregonid prey. Fisheries Management and Ecology 2015; Volum 22 (4). ISSN 0969-997X.s 295 - 306.s doi: 10.1111/fme.12126.
  • Sanchez-Hernandez, Javier; Cobo, Fernando; Amundsen, Per-Arne. Food web topology in high mountain lakes. PLOS ONE 2015; Volum 10 (11). ISSN 1932-6203.s doi: 10.1371/journal.pone.0143016.
  • Kelly, Brianne; Amundsen, Per-Arne; Power, Michael. Thermal habitat segregation among native whitefish (Coregonus lavaretus: Salmonidae) morphotypes and invasive vendace (C. albula): a mechanism for co-existence?. Freshwater Biology 2015; Volum 60 (11). ISSN 0046-5070.s 2337 - 2348.s doi: 10.1111/fwb.12660.
  • Sanchez-Hernandez, Javier; Gabler, Heidi Marie; Amundsen, Per-Arne. Food resource partitioning between stream-dwelling Arctic charr Salvelinus alpinus (L.), Atlantic salmon Salmo salar L. and alpine bullhead Cottus poecilopus Heckel, 1836: an example of water column segregation. Hydrobiologia 2015; Volum 783. ISSN 0018-8158.s 1 - 11.s doi: 10.1007/s10750-015-2547-z.
  • Henriksen, Eirik Haugstvedt; Knudsen, Rune; Kristoffersen, Roar; Kuris, Armand M.; Lafferty, Kevin D.; Siwertsson, Anna; Amundsen, Per-Arne. Ontogenetic dynamics of infection with Diphyllobothrium spp. cestodes in sympatric Arctic charr Salvelinus alpinus (L.) and brown trout Salmo trutta L.. Hydrobiologia 2015; Volum 783. ISSN 0018-8158.s 37 - 46.s doi: 10.1007/s10750-015-2589-2.
  • Kahilainen, Kimmo K.; Smura, Teemu; Knudsen, Rune; Amundsen, Per-Arne; Jokela-Määttä, Mirka; Donner, Kristian. Visual pigments of Arctic charr (Salvelinus alpinus (L.)) and whitefish (Coregonus lavaretus (L.)) morphs in subarctic lakes. Hydrobiologia 2015; Volum 783. ISSN 0018-8158.s 223 - 237.s doi: 10.1007/s10750-015-2588-3.
  • Bhat, Shripathi; Amundsen, Per-Arne; Knudsen, Rune; Gjelland, Karl Øystein; Fevolden, Svein-Erik; Bernatchez, Louis; Præbel, Kim. Speciation Reversal in European Whitefish (Coregonus lavaretus (L.)) Caused by Competitor Invasion. (fulltekst) PLOS ONE 2014; Volum 9 (3). ISSN 1932-6203.s doi: 10.1371/journal.pone.0091208.
  • Evans, Melissa; Præbel, Kim; Peruzzi, Stefano; Amundsen, Per-Arne; Bernatchez, Louis. Phenotype-environment association of the oxygen transport system in trimorphic European whitefish (Coregonus lavaretus) populations. (fulltekst) Evolution 2014; Volum 68 (8). ISSN 0014-3820.s 2197 - 2210.s doi: 10.1111/evo.12442.
  • Knudsen, Rune; Siwertsson, Anna; Adams, Colin Ean; Newton, Jason; Amundsen, Per-Arne. Similar patterns of individual niche use are revealed by different time-integrated trophic tracers (stable isotopes and parasites). Ecology of Freshwater Fish 2014; Volum 23 (2). ISSN 0906-6691.s 259 - 268.s doi: 10.1111/eff.12074.
  • Siikavuopio, Sten Ivar; Knudsen, Rune; Amundsen, Per-Arne; Sæther, Bjørn-Steinar; James, Philip. Effects of high temperature on the growth of European whitefish (Coregonus lavaretus L.). Aquaculture Research 2013; Volum 44 (1). ISSN 1355-557X.s 8 - 12.s doi: 10.1111/j.1365-2109.2011.02999.x.
  • Præbel, Kim; Westgaard, Jon-Ivar; Amundsen, Per-Arne; Siwertsson, Anna; Knudsen, Rune; Kahilainen, Kimmo K.; Fevolden, Svein-Erik. A diagnostic tool for efficient analysis of the population structure, hybridization and conservation status of European whitefish (Coregonus lavaretus (L.)) and vendace (C-albula (L.)). Advances in Limnology 2013; Volum 64. ISSN 1612-166X.s 247 - 255.s doi: 10.1127/1612-166X/2013/0064-0026.
  • Siwertsson, Anna; Knudsen, Rune; Præbel, Kim; Adams, Colin Ean; Newton, Jason; Amundsen, Per-Arne. Discrete foraging niches promote ecological, phenotypic, and genetic divergence in sympatric whitefish (Coregonus lavaretus). Evolutionary Ecology 2013; Volum 27 (3). ISSN 0269-7653.s 547 - 564.s doi: 10.1007/s10682-012-9607-x.
  • Amundsen, Per-Arne; Lafferty, Kevin D.; Knudsen, Rune; Primicerio, Raul; Kristoffersen, Roar; Klemetsen, Anders; Kuris, Armand M. New parasites and predators follow the introduction of two fish species to a subarctic lake: implications for food-web structure and functioning. Oecologia 2013; Volum 171 (4). ISSN 0029-8549.s 993 - 1002.s doi: 10.1007/s00442-012-2461-2.
  • Eloranta, Antti; Knudsen, Rune; Amundsen, Per-Arne. Niche segregation of coexisting Arctic charr (Salvelinus alpinus) and brown trout (Salmo trutta) constrains food web coupling in subarctic lakes. Freshwater Biology 2013; Volum 58 (1). ISSN 0046-5070.s 207 - 221.s doi: 10.1111/fwb.12052.
  • Liso, Sibylle; Gjelland, Karl Øystein; Amundsen, Per-Arne. Resource Partitioning between Pelagic Coregonids in a Subarctic Watercourse Following a Biological Invasion. Journal of Ichthyology 2013; Volum 53 (1). ISSN 0032-9452.s 101 - 110.s doi: 10.1134/S0032945213010074.
  • Meissner, Helge Rainer; Fevolden, Svein-Erik; Amundsen, Per-Arne; Præbel, Kim. Evaluation of three methods for high throughput extraction of DNA from challenging fish tissues. Conservation Genetics Resources 2013; Volum 5 (3). ISSN 1877-7252.s 733 - 735.s doi: 10.1007/s12686-013-9893-9.
  • Hayden, Brian; Holopainen, Tiina; Amundsen, Per-Arne; Eloranta, Antti; Knudsen, Rune; Præbel, Kim; Kahilainen, Kimmo K.. Interactions between invading benthivorous fish and native whitefish in subarctic lakes. Freshwater Biology 2013; Volum 58 (6). ISSN 0046-5070.s 1234 - 1250.s doi: 10.1111/fwb.12123.
  • Præbel, Kim; Gjelland, Karl Øystein; Salonen, Erno; Amundsen, Per-Arne. Invasion genetics of vendace (Coregonus albula (L.)) in the Inari-Pasvik watercourse: revealing the origin and expansion pattern of a rapid colonization event. (fulltekst) Ecology and Evolution 2013; Volum 3 (5). ISSN 2045-7758.s 1400 - 1412.s doi: 10.1002/ece3.552.
  • Persson, Lennart; Amundsen, Per-Arne; De Roos, André M.; Knudsen, Rune; Primicerio, Raul; Klemetsen, Anders. Density-dependent interactions in an Arctic char - brown trout system: competition, predation, or both?. Canadian Journal of Fisheries and Aquatic Sciences 2013; Volum 70 (4). ISSN 0706-652X.s 610 - 616.s doi: 10.1139/cjfas-2012-0175.
  • Sandlund, Odd Terje; Gjelland, Karl Øystein; Bøhn, Thomas; Knudsen, Rune; Amundsen, Per-Arne. Contrasting Population and Life History Responses of a Young Morph-Pair of European Whitefish to the Invasion of a Specialised Coregonid Competitor, Vendace. PLOS ONE 2013; Volum 8 (7). ISSN 1932-6203.s doi: 10.1371/journal.pone.0068156.
  • Siwertsson, Anna; Knudsen, Rune; Adams, Colin Ean; Præbel, Kim; Amundsen, Per-Arne. Parallel and non-parallel morphological divergence among foraging specialists in European whitefish (Coregonus lavaretus). Ecology and Evolution 2013; Volum 3 (6). ISSN 2045-7758.s 1590 - 1602.s doi: 10.1002/ece3.562.
  • Thieltges, David W.; Amundsen, Per-Arne; Hechinger, Ryan F.; Johnson, Pieter T.J.; Lafferty, Kevin D.; Mouritsen, Kim N.; Preston, Daniel L.; Reise, Karsten; Zander, C. Dieter; Poulin, Robert. Parasites as prey in aquatic food webs: implications for predator infection and parasite transmission. Oikos 2013; Volum 122 (10). ISSN 0030-1299.s 1473 - 1482.s doi: 10.1111/j.1600-0706.2013.00243.x.
  • Præbel, Kim; Knudsen, Rune; Siwertsson, Anna; Karhunen, Markku; Kahilainen, Kimmo K.; Ovaskainen, Otso; Østbye, Kjartan; Peruzzi, Stefano; Fevolden, Svein-Erik; Amundsen, Per-Arne. Ecological speciation in postglacial European whitefish: rapid adaptive radiations into the littoral, pelagic, and profundal lake habitats. (fulltekst) Ecology and Evolution 2013; Volum 3 (15). ISSN 2045-7758.s 4970 - 4986.s doi: 10.1002/ece3.867.
  • Skoglund, Sigrid Østrem; Knudsen, Rune; Amundsen, Per-Arne. Selective Predation on Zooplankton by Pelagic Arctic Charr, Salvelinus alpinus, in Six Subarctic Lakes. Journal of Ichthyology 2013; Volum 53 (10). ISSN 0032-9452.s 849 - 855.s doi: 10.1134/S003294521310010X.
  • Smalås, Aslak; Amundsen, Per-Arne; Knudsen, Rune. Contrasting Life History Strategies of Sympatric Arctic Charr Morphs, Salvelinus alpinus. Journal of Ichthyology 2013; Volum 53 (10). ISSN 0032-9452.s 856 - 866.s doi: 10.1134/S0032945213100111.
  • Wrona, Frederick J.; Reist, James D.; Amundsen, Per-Arne; Chambers, P.A.. Freshwater ecosystems. 2013 ISBN 978-9935-431-22-6.s 325 - 367.
  • Siikavuopio, Sten Ivar; Knudsen, Rune; Amundsen, Per-Arne; Sæther, Bjørn-Steinar. Growth performance of European whitefish [Coregonus lavaretus (L.)] under a constant light and temperature regime. Aquaculture Research 2012; Volum 43 (11). ISSN 1355-557X.s 1592 - 1598.s doi: 10.1111/j.1365-2109.2011.02963.x.
  • Amundsen, Per-Arne; Salonen, Erno; Niva, Teuvo; Gjelland, Karl Øystein; Præbel, Kim; Sandlund, Odd Terje; Knudsen, Rune; Bøhn, Thomas. Invader population speeds up life history during colonization. Biological Invasions 2012; Volum 14 (7). ISSN 1387-3547.s 1501 - 1513.s doi: 10.1007/s10530-012-0175-3.
  • Jensen, Hallvard; Kiljunen, Mikko; Amundsen, Per-Arne. Dietary ontogeny and niche shift to piscivory in lacustrine brown trout Salmo trutta revealed by stomach content and stable isotope analyses. Journal of Fish Biology 2012; Volum 80 (7). ISSN 0022-1112.s 2448 - 2462.s doi: 10.1111/j.1095-8649.2012.03294.x.
  • Siwertsson, Anna; Knudsen, Rune; Amundsen, Per-Arne. Temporal stability in gill raker numbers of subarctic European whitefi sh populations. Advances in Limnology 2012; Volum 63. ISSN 1612-166X.s 229 - 240.s doi: 10.1127/advlim/63/2012/229.
  • Mousavi, Karim; Amundsen, Per-Arne. Seasonal variations in the profundal Chironomidae (Diptera) assemblage of a subarctic lake. Boreal Environment Research 2012; Volum 17 (2). ISSN 1239-6095.s 102 - 112.
  • Knudsen, Rune; Siwertsson, Anna; Adams, Colin Ean; Garduño-Paz, Monica; Newton, Jason; Amundsen, Per-Arne. Temporal stability of niche use exposes sympatric Arctic charr to alternative selection pressures. Evolutionary Ecology 2011; Volum 25 (3). ISSN 0269-7653.s 589 - 604.s doi: 10.1007/s10682-010-9451-9.
  • Liso, Sibylle; Gjelland, Karl Øystein; Reshetnikov, Yuri S.; Amundsen, Per-Arne. A planktivorous specialist turns rapacious: piscivory in invading vendace Coregonus albula. Journal of Fish Biology 2011; Volum 78 (1). ISSN 0022-1112.s 332 - 337.s doi: 10.1111/j.1095-8649.2010.02831.x.
  • Kahilainen, Kimmo; Siwertsson, Anna; Gjelland, Karl Øystein; Knudsen, Rune; Amundsen, Per-Arne; Bøhn, Thomas. The role of gill raker number variability in adaptive radiation of coregonid fish. Evolutionary Ecology 2011; Volum 25 (3). ISSN 0269-7653.s 573 - 588.s doi: 10.1007/s10682-010-9411-4.
  • Dauvalter, Vladimir; Kashulin, Nikolay; Sandimirov, Sergey s.; Terentjev, Petr; Denisov, Dmitry Valerevich; Amundsen, Per-Arne. Chemical composition of lake sediments along a pollution gradient in a Subarctic watercourse. Journal of Environmental Science and Health. Part A: Toxic/Hazardous Substances and Environmental Engineering 2011; Volum 46 (9). ISSN 1093-4529.s 1020 - 1033.s doi: 10.1080/10934529.2011.584503.
  • Siwertsson, Anna; Knudsen, Rune; Kahilainen, Kimmo; Præbel, Kim; Primicerio, Raul; Amundsen, Per-Arne. Sympatric diversification as influenced by ecological opportunity and historical contingency in a young species lineage of whitefish. Evolutionary Ecology Research 2011; Volum 12 (8). ISSN 1522-0613.s 929 - 947.
  • Eloranta, Antti; Siwertsson, Anna; Knudsen, Rune; Amundsen, Per-Arne. Dietary plasticity of Arctic charr (Salvelinus alpinus) facilitates coexistence with competitively superior European whitefish (Coregonus lavaretus). Ecology of Freshwater Fish 2011; Volum 20 (4). ISSN 0906-6691.s 558 - 568.s doi: 10.1111/j.1600-0633.2011.00504.x.
  • Amundsen, Per-Arne; Kashulin, Nikolay a.; Terentjev, Petr; Gjelland, Karl Øystein; Koroleva, Irina M.; Dauvalter, Vladimir; Sandimirov, Sergey s.; Kashulin, Alexander; Knudsen, Rune. Heavy metal contents in whitefish (Coregonus lavaretus) along a pollution gradient in a subarctic watercourse. Environmental Monitoring & Assessment 2011; Volum 182 (1-4). ISSN 0167-6369.s 301 - 316.s doi: 10.1007/s10661-011-1877-1.
  • Knudsen, Rune; Amundsen, Per-Arne; Rikardsen, Audun H.. Individual feeding specialisation of a naive vs. veteran predators. Ecology of Freshwater Fish 2011; Volum 20 (4). ISSN 0906-6691.s 522 - 528.s doi: 10.1111/j.1600-0633.2011.00500.x.
  • Kashulin, Nikolay a.; Terentyev, Peter M.; Amundsen, Per-Arne; Dauvalter, Vladimir A.; Sandimirov, Sergey s.; Kashulin, Alexander. Specific features of accumulation of Cu, Ni, Zn, Cd, and Hg in two whitefish Coregonus lavaretus (L.) morphs inhabiting the Inari–Pasvik lacustrine–riverine system. Inland Water Biology 2011; Volum 4 (3). ISSN 1995-0829.s 383 - 392.s doi: 10.1134/S1995082911030126.
  • Johansen, Morten; Erkinaro, Jaakko; Amundsen, Per-Arne. The When, What and Where of Freshwater Feeding. Blackwell Publishing 2011 ISBN 978-1-4051-9769-4.s 89 - 114.s doi: 10.1002/9781444327755.ch4.
  • Knudsen, Rune; Primicerio, Raul; Amundsen, Per-Arne; Klemetsen, Anders. Temporal stability of individual feeding specialization may promote speciation. Journal of Animal Ecology 2010; Volum 79 (1). ISSN 0021-8790.s 161 - 168.s doi: 10.1111/j.1365-2656.2009.01625.x.
  • Gabler, Heidi Marie; Amundsen, Per-Arne. Feeding strategies, resource utilisation and potential mechanisms for competitive coexistence of Atlantic salmon and alpine bullhead in a sub-Arctic river. Aquatic Ecology 2010; Volum 44 (2). ISSN 1386-2588.s 325 - 336.s doi: 10.1007/s10452-009-9243-x.
  • Siikavuopio, Sten Ivar; Knudsen, Rune; Amundsen, Per-Arne. Growth and mortality of Arctic charr and European whitefish reared at low temperatures. Hydrobiologia 2010; Volum 650 (1). ISSN 0018-8158.s 255 - 263.s doi: 10.1007/s10750-010-0192-0.
  • Knudsen, Rune; Amundsen, Per-Arne; Klemetsen, Anders. Arctic charr in sympatry with burbot: ecological and evolutionary consequences. Hydrobiologia 2010; Volum 650 (1). ISSN 0018-8158.s 43 - 54.s doi: 10.1007/s10750-009-0077-2.
  • Amundsen, Per-Arne; Knudsen, Rune; Bryhni, Helge. Niche use and resource partitioning of Arctic charr, European whitefish and grayling in a subarctic lake. Hydrobiologia 2010; Volum 650 (1). ISSN 0018-8158.s 3 - 14.s doi: 10.1007/s10750-009-0054-9.
  • Amundsen, Per-Arne; Siwertsson, Anna; Primicerio, Raul; Bøhn, Thomas. Long-term responses of zooplankton to invasion by a planktivorous fish in a subarctic watercourse. Freshwater Biology 2009; Volum 54. ISSN 0046-5070.s 24 - 34.s doi: 10.1111/j.1365-2427.2008.02088.x.
  • Amundsen, Per-Arne; Knudsen, Rune. Winter ecology of Arctic charr (Salvelinus alpinus) and brown trout (Salmo trutta) in a subarctic lake, Norway. Aquatic Ecology 2009; Volum 43 (3). ISSN 1386-2588.s 765 - 775.s doi: 10.1007/s10452-009-9261-8.
  • Gjelland, Karl Øystein; Bøhn, Thomas; Horne, John K.; Jensvoll, Ingrid; Knudsen, Frank Reier; Amundsen, Per-Arne. Planktivore vertical migration and shoaling under a subarctic light regime. Canadian Journal of Fisheries and Aquatic Sciences 2009; Volum 66 (4). ISSN 0706-652X.s 525 - 539.s doi: 10.1139/F09-014.
  • Amundsen, Per-Arne; Lafferty, Kevin D.; Knudsen, Rune; Primicerio, Raul; Klemetsen, Anders; Kuris, Armand M. Food web topology and parasites in the pelagic zone of a subarctic lake. Journal of Animal Ecology 2009; Volum 78 (3). ISSN 0021-8790.s 563 - 572.s doi: 10.1111/j.1365-2656.2008.01518.x.
  • Bøhn, Thomas; Amundsen, Per-Arne; Sparrow, Ashley. Competitive exclusion after invasion?. Biological Invasions 2008; Volum 10 (3). ISSN 1387-3547.s 359 - 368.s doi: 10.1007/s00244-008-9150-5.
  • Jensen, Hallvard; Kahilainen, Kimmo K.; Amundsen, Per-Arne; Gjelland, Karl øystein; Tuomaala, Anti; Malinen, Tommy; Bøhn, Thomas. Predation by brown trout (Salmo trutta) along a diversifying prey community gradient. Canadian Journal of Fisheries and Aquatic Sciences 2008; Volum 65 (9). ISSN 0706-652X.s 1831 - 1841.
  • Knudsen, Rune; Amundsen, Per-Arne; Nilsen, Rune; Kristoffersen, Roar; Klemetsen, Anders. Food borne parasites as indicators of trophic segregation between Arctic charr and brown trout. Environmental Biology of Fishes 2008; Volum 83. ISSN 0378-1909.s 107 - 116.s doi: 10.1007/s10641-007-9216-7.
  • Amundsen, Per-Arne; Knudsen, Rune; Klemetsen, Anders. Seasonal and ontogenetic variations in resource use by two sympatric Arctic charr morphs. Environmental Biology of Fishes 2008; Volum 83. ISSN 0378-1909.s 45 - 55.s doi: 10.1007/s10641-007-9262-1.
  • Amundsen, Per-Arne; Gabler, heidi marie. Food consumption and growth of Atlantic salmon Salmo salar parr in sub-Arctic rivers: empirical support for food limitation and competition. Journal of Fish Biology 2008; Volum 73. ISSN 0022-1112.s 250 - 261.s doi: 10.1111/j.1095-8649.2008.01932.x.
  • Knudsen, Rune; Amundsen, Per-Arne; Jobling, Malcolm; Klemetsen, Anders. Differences in pyloric caeca morphology between Arctic charr Salvelinus alpinus ecotypes: adaptation to trophic specialization or parasite-induced phenotypic modifications?. Journal of Fish Biology 2008; Volum 73 (1). ISSN 0022-1112.s 275 - 287.s doi: 10.1111/j.1095-8649.2008.01934.x.
  • Amundsen, Per-Arne; Knudsen, Rune; Klemetsen, Anders. Intraspecific competition and density dependence of food consumption and growth in Arctic charr. Journal of Animal Ecology 2007; Volum 76. ISSN 0021-8790.s 149 - 158.s doi: 10.1111/j.1365-2656.2006.01179.x.
  • Primicerio, Raul; Rosetti, G.; Amundsen, Per-Arne; Klemetsen, Anders. Impact of climate change on Alpine and Arctic lakes: effects on phenology and community dynamics. Springer Science+Business Media B.V. 2007 ISBN 978-3-540-48512-4.s 51 - 70.
  • Gjelland, Karl Øystein; Bøhn, Thomas; Amundsen, Per-Arne. Is coexistence mediated by microhabitat segregation? An in-depth exploration of a fish invasion. (fulltekst) Journal of Fish Biology 2007; Volum 71. ISSN 0022-1112.s 196 - 209.s doi: 10.1111/j.1095-8649.2007.01678.x.
  • Knudsen, Rune; Amundsen, Per-Arne; Primicerio, Raul; Klemetsen, Anders; Sørensen, Pål. Contrasting niche-based variation in trophic morphology within Arctic charr populations. Evolutionary Ecology Research 2007; Volum 9. ISSN 1522-0613.s 1005 - 1021.
  • Salonen, Erno; Amundsen, Per-Arne; Bøhn, Thomas. Invasion, boom and bust by vendace (Coregonus albula) in the subarctic Lake Inari, Finland and the Pasvik watercourse, Norway. Archiv für Hydrobiologie 2007; Volum 60. ISSN 0003-9136.s 331 - 342.
  • Rikardsen, Audun; Dempson, J Brian; Amundsen, Per-Arne; Bjørn, Pål Arne; Finstad, B.; Jensen, AJ. Temporal variability in marine feeding of sympatric Arctic charr and sea trout. Journal of Fish Biology 2007; Volum 70. ISSN 0022-1112.s 837 - 852.s doi: 10.1111/j.1095-8649.2007.01345.x.
  • Persson, Lennart; Amundsen, Per-Arne; De Roos, André M.; Klemetsen, Anders; Knudsen, Rune; Primicerio, Raul. Culling prey promotes predator recovery - Alternative states in a whole-lake experiment. Science 2007; Volum 316. ISSN 0036-8075.s 1743 - 1746.s doi: 10.1126/science.1141412.
  • Jensen, Hallvard; Amundsen, Per-Arne; Elliott, J. Malcolm; Bøhn, Thomas; Aspholm, Paul Eric. Prey consumption rates and growth of piscivorous brown trout in a subarctic watercourse. Journal of Fish Biology 2006; Volum 68. ISSN 0022-1112.s 838 - 848.
  • Knudsen, Rune; Klemetsen, Anders; Amundsen, Per-Arne; Hermansen, Bjørn. Incipient speciation through niche expansion: an example from the Arctic charr in a subarctic lake. Proceedings of the Royal Society of London. Biological Sciences 2006; Volum 273. ISSN 0962-8452.s 2291 - 2298.s doi: 10.1098/rspb.2006.3582.
  • Rikardsen, Audun; Amundsen, Per-Arne; Knudsen, Rune; Sandring, Stig. Seasonal marine feeding and body condition of sea trout (Salmo trutta) at its northern distribution. ICES Journal of Marine Science 2006; Volum 63. ISSN 1054-3139.s 466 - 475.
  • Klemetsen, Anders; Knudsen, Rune; Primicerio, Raul; Amundsen, Per-Arne. Divergent, genetically based feeding behaviour of two sympatric Arctic charr, Salvelinus alpinus (L.), morphs. Ecology of Freshwater Fish 2006; Volum 15 (3). ISSN 0906-6691.s 350 - 355.
  • Østbye, K; Amundsen, Per-Arne; Bernatchez, L; Klemetsen, Anders; Knudsen, Rune; Kristoffersen, Roar; Næsje, TF; Hindar, K. Parallel evolution of ecomorphological traits in the European whitefish Coregonus lavaretus (L.) species complex during postglacial times. Molecular Ecology 2006; Volum 15 (13). ISSN 0962-1083.s 3983 - 4001.
  • Knudsen, Rune; Rikardsen, Audun; Dempson, Brian J.; Bjørn, Pål Arne; Finstad, Bengt; Holm, Marianne; Amundsen, Per-Arne. Trophically transmitted parasites in wild Atlantic salmon post-smolts from Norwegian fjords. Journal of Fish Biology 2005; Volum 66. ISSN 0022-1112.s doi: 10.1111/j.1095-8649.2005.00641.
  • Rikardsen, Audun; Amundsen, Per-Arne. Pelagic marine feeding of Arctic charr and sea trout. Journal of Fish Biology 2005; Volum 66. ISSN 0022-1112.
  • Bøhn, Thomas; Amundsen, Per-Arne. Invasion-mediated changes in the population biology of a dimorphic whitefish Coregonus lavaretus population. Annales Zoologici Fennici 2004; Volum 41. ISSN 0003-455X.s 125 - 136.
  • Heikinheimo, Outi; Amundsen, Per-Arne. Preface. Annales Zoologici Fennici 2004; Volum 41. ISSN 0003-455X.s 1 - 2.
  • Bøhn, Thomas; Sandlund, Odd Terje; Amundsen, Per-Arne; Primicerio, Raul. Rapidly changing life history during invasion. Oikos 2004; Volum 106. ISSN 0030-1299.s 138 - 150.
  • Amundsen, Per-Arne; Bøhn, Thomas; Vågå, G. H.. Gill raker morphology and feeding ecology of two sympatric morphs of European whitefish (Coregonus lavaretus). Annales Zoologici Fennici 2004; Volum 41. ISSN 0003-455X.s 291 - 300.
  • Jensen, Hallvard; Bøhn, Thomas; Amundsen, Per-Arne; Aspholm, Paul Erik. Feeding ecology of piscivorous brown trout (Salmo trutta L.) in a subarctic watercourse. Annales Zoologici Fennici 2004; Volum 41. ISSN 0003-455X.s 319 - 328.
  • Heikinheimo, O.; Amundsen, Per-Arne; Auvinen, H.; Bodaly, D.; Eshenroder, R.; Huusko, A.; Mills, K.; Müller, R.; Todd, T.; Winfield, I.. Biology and Management of Coregonid Fishes. Proceedings of the Eighth International Symposium on the Biology and Management of Coregonid fishes, Rovaniemi, Finland, 26.-29. August 2002. Annales Zoologici Fennici 2004; Volum 41. ISSN 0003-455X.
  • Bøhn, Thomas; Amundsen, Per-Arne. Competition-mediated life history changes in a dimorph whitefish Coregonus lavaretus population. Annales Zoologici Fennici 2004; Volum 41. ISSN 0003-455X.s 125 - 136.
  • Gjelland, Karl Øystein; Bøhn, Thomas; Knudsen, Frank Reier; Amundsen, Per-Arne. Influence of light on the swimming speed of coregonids in subarctic lakes. (fulltekst) Annales Zoologici Fennici 2004; Volum 41. ISSN 0003-455X.s 137 - 146.
  • Amundsen, Per-Arne; Knudsen, Rune; Klemetsen, Anders; Kristoffersen, Roar. Resource competition and interactive segregation between sympatric whitefish morphs. Annales Zoologici Fennici 2004; Volum 41. ISSN 0003-455X.s 301 - 307.
  • Rikardsen, Audun H; Amundsen, Per-Arne; Bodin, Petter. Growth and diet of anadromous Arctic charr after their return to freshwater. Ecology of Freshwater Fish 2003; Volum 12. ISSN 0906-6691.s 74 - 80.
  • Mousavi, Seyed Karim; Primicerio, Raul; Amundsen, Per-Arne. Diversity and structure of Chironomidae (Diptera) communities along a gradient of heavy metal contamination in a subarctic watercourse. Science of the Total Environment 2003; Volum 307. ISSN 0048-9697.s 93 - 110.
  • Amundsen, Per-Arne; Knudsen, Rune; Kuris, Armand M; Kristoffersen, Roar. Seasonal and ontogenetic dynamics in trophic transmission of parasites. Oikos 2003; Volum 102. ISSN 0030-1299.s 285 - 293.
  • Amundsen, Per-Arne. Ontogenetic niche shifts and resource partitioning in a subarctic piscivorous fish guild. Hydrobiologia 2003; Volum 497. ISSN 0018-8158.s 109 - 119.
  • Klemetsen, Anders; Amundsen, Per-Arne; Dempson, Brian D; Jonsson, Bror; Jonsson, Nina; Mortensen, Erik; O'connel, Mike f. Atlantic salmon Salmo salar L., brown trout Salmo trutta L. and Arctic charr Salvelinus alpinus (L.): a review of aspects of their life histories. Ecology of Freshwater Fish 2003; Volum 12. ISSN 0906-6691.s 1 - 59.
  • Klemetsen, Anders; Knudsen, Rune; Staldvik, Frode; Amundsen, Per-Arne. Habitat, diet and food assimilation of Arctic charr under the winter ice in two subarctic lakes. Journal of Fish Biology 2003; Volum 62. ISSN 0022-1112.s 1082 - 1089.
  • Knudsen, Rune; Klemetsen, Anders; Amundsen, Per-Arne. Inter- and intra-morph patterns in helminth communities of sympatric whitefish morphs. Journal of Fish Biology 2003; Volum 64. ISSN 0022-1112.s 847 - 859.
  • Klemetsen, Anders; Amundsen, Per-Arne; Dempson, Brian; Jonsson, Bror; Jonsson, Nina; O'Connel, Mike; Mortensen, Erik. Atlantic salmon, brown trout and Arctic charr: a review of aspects of their life histories. Ecology of Freshwater Fish 2003; Volum 12. ISSN 0906-6691.s 1 - 59.
  • Rikardsen, Audun H; Amundsen, Per-Arne; Bodin, Petter. Foraging behaviour changes of Arctic charr during smolt migration in northern Norway. Journal of Fish Biology 2002; Volum 60. ISSN 0022-1112.s 489 - 491.
  • Klemetsen, Anders; Amundsen, Per-Arne; Grotnes, per; Knudsen, Rune; Kristoffersen, Roar; Svenning, Martin-Arne. Takvatn through 20 years: long-term effects of an experimental mass removal of charr Salvelinus alpinus from a large subarctic lake. Environmental Biology of Fishes 2002; Volum 64. ISSN 0378-1909.s 39 - 47.
  • Knudsen, Rune; Amundsen, Per-Arne; Klemetsen, Anders. Parasite induced host mortality: indirect evidence from a long-term study. Environmental Biology of Fishes 2002; Volum 64. ISSN 0378-1909.s 257 - 265.
  • Amundsen, Per-Arne; Kristoffersen, Roar; Knudsen, Rune; Klemetsen, Anders. Long-term effects of a stock depletion programme: the rise and fall of a rehabilitated whitefish population. Archiv für Hydrobiologie 2002; Volum 57. ISSN 0003-9136.s 577 - 588.
  • Bøhn, Thomas; Amundsen, Per-Arne; Reshetnikov, Yuri S.; Popova, Olga A.; Staldvik, Frode J.. Predator avoidance of coregonids: habitat choice explained by size-related prey vulnerability. Advances in Limnology 2002; Volum 57. ISSN 1612-166X.s 183 - 197.
  • Mousavi, Seyed Karim; Sandring, Stig; Amundsen, Per-Arne. Diversity of chironomid communities in contrasting subarctic lakes – impact of fish predation and lake size. Archiv für Hydrobiologie 2002; Volum 154. ISSN 0003-9136.s 461 - 484.
  • Reshetnikov, Yuri S.; Popova, Olga A.; Kashulin, Nikolay a.; Lukin, Anatoly A.; Amundsen, Per-Arne. Development of an index to assess the effect of heavy metal pollution on fish populations. Advances in Limnology 2002; Volum 57. ISSN 1612-166X.s 221 - 231.
  • Gabler, Heidi-Marie; Amundsen, Per-Arne; Herfindal, Trond. Diet segregation between introduced bullhead (Cottus gobio L.) and Atlantic salmon parr (Salmo salar L.) in a sub-Arctic river. Archiv für Hydrobiologie 2001; Volum 151. ISSN 0003-9136.s 609 - 625.
  • Bøhn, Thomas; Amundsen, Per-Arne. The competitive edge of an invading specialist. Ecology 2001; Volum 82 (8). ISSN 0012-9658.s 2150 - 2163.
  • Knudsen, Rune; Gabler, Heidi-Marie; Kuris, Armand M; Amundsen, Per-Arne. Selective predation on parasitized prey - A comparison between two helminth species with different life-history. Journal of Parasitology 2001; Volum 87 (5). ISSN 0022-3395.s 941 - 945.
  • Amundsen, Per-Arne; Gabler, Heidi-Marie; Riise, Lars S.. Intraspecific resource partitioning in Atlantic salmon parr in a subarctic river. Aquatic Living Resources 2001; Volum 14. ISSN 0990-7440.s 257 - 265.
  • Rikardsen, Audun H.; Amundsen, Per-Arne; Johansen, Morten; Bjørn, Pål A.. Comparison of growth, diet and food consumption of sea-run and lake-dwelling Arctic charr. Journal of Fish Biology 2000; Volum 57. ISSN 0022-1112.s 1172 - 1188.
  • Amundsen, Per-Arne; Gabler, Heidi-Marie; Herfindal, Trond; Riise, Lars S.. Feeding chronology of Atlantic salmon parr in subarctic rivers: consistency of nocturnal feeding. Journal of Fish Biology 2000; Volum 56. ISSN 0022-1112.s 676 - 686.
  • Akimova, N. V.; Popova, Olga A.; Reshetnikov, Yuri S.; Kashulin, Nikolay a.; Lukin, Anatoly A.; Amundsen, Per-Arne. Morphological state of reproductive system of fishes in the Kola Peninsula water bodies. Journal of Ichthyology 2000; Volum 40. ISSN 0032-9452.s 206 - 209.
  • Jørgensen, Lisbeth; Halvorsen, Morten; Amundsen, Per-Arne. Resource partitioning between lake-dwelling Atlantic salmon (Salmo salar L.) parr, brown trout (Salmo trutta L.) and Arctic charr (Salvelinus alpinus (L.)). Ecology of Freshwater Fish 2000; Volum 9. ISSN 0906-6691.s 202 - 209.
  • Amundsen, Per-Arne; Bergersen, Robert; Huru, Helge; Heggberget, Tor G.. Diel feeding rhythms and daily food consumption of juvenile Atlantic salmon in the River Alta, northern Norway. Journal of Fish Biology 1999; Volum 54. ISSN 0022-1112.s 58 - 71.
  • Amundsen, Per-Arne; Staldvik, Frode J.; Reshetnikov, Yuri S.; Kashulin, Nikolay a.; Lukin, Anatoly A.; Bøhn, Thomas; Sandlund, Odd Terje; Popova, Olga A.. Invasion of vendace (Coregonus albula) in a subarctic watercourse. Biological Conservation 1999; Volum 88. ISSN 0006-3207.s 405 - 413.
  • Amundsen, Per-Arne; Svenning, Martin; Siikavuopio, Sten Ivar. An experimental comparison of cannibalistic response in different Arctic charr (Salvelinus alpinus) stocks. Ecology of Freshwater Fish 1999; Volum 8. ISSN 0906-6691.s 43 - 48.
  • Gabler, Heidi Marie; Amundsen, Per-Arne. Resource partitioning between Siberian sculpin (Cottus poecilopus Heckel) and Atlantic salmon parr (Salmo salar L.) in a sub-Arctic river, North Norway. Ecology of Freshwater Fish 1999; Volum 8. ISSN 0906-6691.s 201 - 208.
  • Jørgensen, Lisbeth; Amundsen, Per-Arne; Gabler, Heidi Marie; Halvorsen, Morten; Erkinaro, Jaakko; Niemelä, Ero. Spatial distribution of Atlantic salmon parr (Salmo salar L.) and bullhead (Cottus gobio L.) in lotic and lentic habitats of a diversified watercourse in northern Fennoscandia. Fisheries Research 1999; Volum 41. ISSN 0165-7836.s 201 - 211.
  • Klemetsen, Anders; Grotnes, per; Amundsen, Per-Arne; Svenning, Martin-Arne; Kristoffersen, Roar; Dahl-Hansen, Geir A. P.; Knudsen, Rune. The emergence of ferox trout Salmo truth in Takvatn, North Norway -an ecological result of the mass removal of arctic charr Salvelinus alpinus. International Society of Arctic Charr Fanatics, Information Series 1998; Volum 6. ISSN 0283-586X.s 16 - 22.
  • Bøhn, Thomas; Amundsen, Per-Arne. Effects of invading vendace (Coregonus albula) on species composition and body size in two zooplankton communities of the Pasvik River System, Northern Norway. Journal of Plankton Research 1998; Volum 20. ISSN 0142-7873.s 243 - 256.
  • Reshetnikov, Yuri S.; Popova, Olga A.; Kashulin, Nikolay a.; Lukin, Anatoly A.; Amundsen, Per-Arne; Staldvik, Frode J.. Estimation of the state of whitefish populations (Coregonus lavaretus /L./) in the conditions of anthropogenic influence. Russian journal of ecology 1997; Volum 7. ISSN 1067-4136.s 75 - 82.
  • Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne. Parasite communities in two sympatric morphs of Arctic charr, Salvelinus alpinus (L.), in northern Norway. Canadian Journal of Zoology 1997; Volum 75 (12). ISSN 0008-4301.s 2003 - 2009.
  • Amundsen, Per-Arne; Kristoffersen, Roar; Knudsen, Rune; Klemetsen, Anders. Infection of Salmincola edwardsii (Copepoda: Lernaeopopdidae) in an age-structured population of arctic charr Salvelinus alpinus (L.) - a long-term study. Journal of Fish Biology 1997; Volum 51. ISSN 0022-1112.s 1033 - 1046.
  • Klemetsen, Anders; Amundsen, Per-Arne; Knudsen, Rune; Hermansen, bjØrn. A profundal, winterspawning morph of arctic charr Salvelinus alpinus (L.) in Fjellfrøsvatn, North Norway. Nordic Journal of Freshwater Research 1997; Volum 73. ISSN 1100-4096.s 13 - 23.
  • Amundsen, Per-Arne; Staldvik, Frode J.; Lukin, Anatoly A.; Kashulin, Nikolay a.; Popova, Olga A.; Reshetnikov, Yuri S.. Heavy metal contamination in freshwater fish from the border region between Norway and Russia. Science of the Total Environment 1997; Volum 201. ISSN 0048-9697.s 211 - 224.
  • Amundsen, Per-Arne; Siikavuopio, Sten Ivar; Christensen, Guttorm N.. Significance and temporal persistence of individual specialization in cannibalistic Arctic charr, Salvelinus alpinus. Nordic Journal of Freshwater Research 1997; Volum 73. ISSN 1100-4096.s 28 - 34.
  • Amundsen, Per-Arne; Gabler, Heidi Marie; Staldvik, Frode J.. A new method for graphical analysis of feeding strategy from stomach contents data. Journal of Fish Biology 1996; Volum 48. ISSN 0022-1112.s 607 - 614.
  • Amundsen, Per-Arne; Klemetsen, Anders; Grotnes, per. Rehabilitation of a stunted population of arctic char by intensive fishing. North American Journal of Fisheries Management 1993; Volum 13. ISSN 0275-5947.s 483 - 491.
  • Klemetsen, Anders; Muladal, Harald; Amundsen, Per-Arne. Diet and food consumption of young, profundal arctic charr (Salvelinus alpinus) in Lake Takvatn. Nordic Journal of Freshwater Research 1992; Volum 67. ISSN 1100-4096.s 35 - 44.
  • Klemetsen, Anders; Amundsen, Per-Arne; Muladal, Harald; Rubach, Stein; Solbakken, Jan Idar. Habitat shifts in a dense, resident population of arctic charr Salvelinus alpinus population. Physiology and Ecology Japan, Special Volume 1989; Volum 1. ISSN 0370-9612.s 187 - 200.
  • Grotnes, per; Kristoffersen, Roar; Klemetsen, Anders; Amundsen, Per-Arne. Villrøye i sjøen, et nytt oppdrettskonsept. Norsk Fiskeoppdrett 1987; Volum 12. ISSN 0332-7132.s 71 - 73.
  • Klutsch, Cornelya; Maduna, Simo; Polikarpova, Natalia; Forfang, Kristin; Beddari, Benedicte; Gjelland, Karl Øystein; Aspholm, Paul Eric; Amundsen, Per-Arne; Hagen, Snorre. Genetic diversity and fish ecology in Pasvik river. Wetland seminar 2022-02-02 - 2022-02-02 2022.
  • Amundsen, Per-Arne. Long-term ecological monitoring in the Pasvik watercourse (1991-2020). Seminar on future monitoring and research of the environmental status in the Pasvik watercourse's catchment area 2021-11-16 - 2021-11-17 2021.
  • Klutsch, Cornelya; Maduna, Simo; Polikarpova, Natalia; Forfang, Kristin; Beddari, Benedicte; Gjelland, Karl Øystein; Aspholm, Paul Eric; Amundsen, Per-Arne; Hagen, Snorre. Fish Project in the Pasvik River. 2nd Annual Online Researcher Exchange seminar 2021 2021-12-09 - 2021-12-09 2021.
  • Amundsen, Per-Arne. Takvatnprosjektet - kultivering og forvaltning av en overbefolka fiskebestand. Villfisksamlinga 2021 2021-05-29 - 2021-05-30 2021.
  • Klutsch, Cornelya; Schwensen Lindgren, Vetle; Maduna, Simo; Polikarpova, Natalia; Nyman, Tommi; Forfang, Kristin; Aspholm, Paul Eric; Amundsen, Per-Arne; Haugen, Thrond Oddvar; Eiken, Hans Geir; Hagen, Snorre. Restoration effects on trout populations in Pasvik River. VII Russian scientific conference with international participation 'Ecological Problems of the northern regions and ways to their solution ', dedicated to the 30th anniversary of the Institute of Northern Industrial Ecology 2019-06-16 - 2019-06-22 2019.
  • Klutsch, Cornelya; Schwensen Lindgren, Vetle; Haugen, Thrond Oddvar; Polikarpova, Natalia; Aspholm, Paul Eric; Fløystad, Ida; Forfang, Kristin; Maduna, Simo; Nyman, Tommi; Eiken, Hans Geir; Amundsen, Per-Arne; Hagen, Snorre. Metapopulation genetic dynamics of brown trout (Salmo trutta) in a subarctic transnational riverine system. The 2019 Congress of the European Society for Evolutionary Biology 2019-08-19 - 2019-08-24 2019.
  • Klutsch, Cornelya; Schwensen Lindgren, Vetle; Maduna, Simo; Polikarpova, Natalia; Nyman, Tommi; Aspholm, Paul Eric; Forfang, Kristin; Amundsen, Per-Arne; Haugen, Thrond Oddvar; Eiken, Hans Geir; Hagen, Snorre. Impacts of hydroelectric power dams and stocking on population genetic diversity and structure in brown trout in a subarctic river system. Seminar lecture at The Arctic University of Norway-Tromsø 2019-05-23 - 2019-05-23 2019.
  • Henriksen, Eirik Haugstvedt; Smalås, Aslak; Amundsen, Per-Arne; Knudsen, Rune. The association between parasite infection and growth in Arctic charr. 9th International Charr Symposium 2018-06-18 - 2018-06-21 2018.
  • Amundsen, Per-Arne. Takvatn - økologi og kultivering av en overbefolket fiskebestand. Sportsfiskermøte - Lars&Lars 2018-02-22 - 2018-02-22 2018.
  • Perrin, Sam; O'Hara, Robert B.; Amundsen, Per-Arne; Blumentrath, Stefan; Finstad, Anders Gravbrøt. Predicting the effects of invasive species on fish at a community level in the face of climate change. 9th International Charr Symposium 2018-06-18 - 2018-06-21 2018.
  • Smalås, Aslak; Henriksen, Eirik Haugstvedt; Knudsen, Rune; Amundsen, Per-Arne; Gjelland, Karl Øystein; Dahl-Hansen, Geir; Hansen, Øyvind Kanstad; Primicerio, Raul. Temperature-Size rule in Arctic charr. 8th Charr Symposium 2018-06-18 - 2018-06-21 2018.
  • Perrin, Sam; O'Hara, Robert B.; Amundsen, Per-Arne; Blumentrath, Stefan; Finstad, Anders Gravbrøt. Predicting the effects of climate change on fish at a community level. Ecology Across Borders 2017-12-11 - 2017-12-14 2017.
  • Soldánová, Miroslava; Born-Torrijos, Ana; Vyhlídalová, Tereza; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne. Concomitant predation on parasites and hosts affect trematode transmission success. 23rd Helminthological Days 2017-05-08 - 2017-05-12 2017.
  • Kristoffersen, Roar; Amundsen, Per-Arne; Knudsen, Rune. Statusrapport Takvatn 2017. Årsmøte i Takvatn grunneierlag 2017-03-25 - 2017.
  • Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne. Takvatnprosjektet (1980-2017): relasjoner til Fustavassdraget?. Årsmøte FUSAM forvaltningslag 2017-06-20 - 2017-06-20 2017.
  • Kristoffersen, Roar; Knudsen, Rune; Amundsen, Per-Arne. Bendelmark i ørret og røye. Jakt og fiske 2017 (9). ISSN 0800-3041.s 60 - 63.
  • Born-Torrijos, Ana; Vyhlídalová, Tereza; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne; Soldánová, Miroslava. Parasites in the food web: concomitant predation on snail hosts and their trematodes by fish can modulate the risk of infection. 18th International Conference on Diseases of Fish and Shellfish 2017-09-04 - 2017-09-08 2017.
  • Lafferty, Kevin D.; Siwertsson, Anna; Kuhn, Jesper A.; Kuris, Armand M.; Shaw, Jenny C.; Soldánová, Miroslava; Knudsen, Rune; Klemetsen, Anders; Amundsen, Per-Arne. Parasites permeate a subarctic lake food web. ASLO 2017 2017-02-27 - 2017-03-03 2017.
  • Braaten, Hans Fredrik Veiteberg; Åkerblom, Staffan; de Wit, Heleen; Skotte, Gunnar; Rask, Martti; Vuorenmaa, Jussi; Kahilainen, Kimmo K.; Malinen, Tommi; Rognerud, Sigurd; Lydersen, Espen; Amundsen, Per-Arne; Kashulin, Nicholas; Kashulina, Tatiana; Terentyev, Petr; Christensen, Guttorm; Jackson-Blake, Leah Amber; Lund, Espen; Rosseland, Bjørn Olav. Spatial and temporal trends of mercury in freshwater fish in Fennoscandia (1965-2015). 2017 (7179) ISBN 978-82-577-6914-7. ISSN 1894-7948.
  • Jensen, Hallvard; Amundsen, Per-Arne. Long-term responses of fisheries in an oligotrophic lake of sourtern Norway - ecological concequenses and management implications.. Understanding Fish Populations - FSBI 50th Anniversary 2017-07-03 - 2017-07-07 2017.
  • Amundsen, Per-Arne. Status for storørretbestanden i Pasvik - tilstand og naturlig produksjon, gyte- og oppvekstarealer og kunnskapsbehov. Seminar om storørreten i Pasvik 2016-12-13 - 2016-12-14 2016.
  • Braicovich, Paola E; Kuhn, Jesper Andreas; Amundsen, Per-Arne; Marcogliese, David J.. Three-spined stickleback Gasterosteus aculeatus, as a possible paratenic host for salmonid nematodes in a subarctic lake. Parasitology Research 2016; Volum 115 (3). ISSN 0932-0113.s 1335 - 1338.s doi: 10.1007/s00436-015-4854-8.
  • van Dorst, Renee; Knudsen, Rune; Amundsen, Per-Arne. Resource partitoning in a changing subarctic climate. Nordic Oikos conference 2016-02-02 - 2016-02-04 2016.
  • Amundsen, Per-Arne. The role of parasites in food web topology and dynamics of subarctic lakes. Invited lecture 2016-02-18 - 2016-02-18 2016.
  • Amundsen, Per-Arne. The role of parasites in food web topology and dynamics of subarctic lakes. Invited lecture 2016-01-11 - 2016-01-11 2016.
  • Amundsen, Per-Arne. Takvatnprosjektet – kultivering av en overbefolka røyebestand. Jakt, Fiske og utmarksseminar 2016 2016-04-08 - 2016-04-09 2016.
  • Amundsen, Per-Arne; Aspholm, Paul Eric. Fiskeressurser i ferskvann i Finnmark. ÅPENT MØTE OM INNLANDSFISKE OG FISKETURISME 2016-10-11 - 2016-10-12 2016.
  • Amundsen, Per-Arne; Smalås, Aslak; Knudsen, Rune; Kristoffersen, Roar; Siwertsson, Anna; Klemetsen, Anders. Forskning og kultivering av en overbefolka røyebestand. Septentrio Reports 2015; Volum 2015 (5). ISSN 2387-4597.s 1 - 53.
  • Kuhn, Jesper Andreas; Frainer, A.; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne. Effects of fish species composition on Diphyllobothrium spp. infections in subarctic brown trout and Arctic charr – is three-spined stickleback a key species?. 6th Conference of the Scandinavian Baltic Society for Parasitology. Uppsala, Sweden 2015.
  • Kuhn, Jesper Andreas; Frainer, A.; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne. Effects of fish species composition on Diphyllobothrium spp. infections in subarctic brown trout and Arctic charr – is three-spined stickleback a key species?. 6th Conference of the Scandinavian Baltic Society for Parasitology. Uppsala, Sweden 2015-04-23 - 2015.
  • Eloranta, Antti; Kahilainen, Kimmo K.; Amundsen, Per-Arne; Knudsen, Rune; Harrod, Chris; Jones, Roger I.. Lake size and fish diversity determine trophic niche of Arctic charr in subarctic lakes. 8th International Charr Symposium 2015-06-17 - 2015.
  • Knudsen, Rune; Refsnes, Birgitte; Siwertsson, Anna; Frainer, Andre Barbosa; Amundsen, Per-Arne. Parallelism in parasite infections in two polymorphic Arctic charr populations in subarctic Norway. The 8th International Charr Symposium 2015-06-15 - 2015-06-18 2015.
  • Præbel, Kim; Couton, Marjorie; Knudsen, Rune; Amundsen, Per-Arne. Genetic consequences of sympatric and allopatric divergence in subarctic Arctic charr (Salvelinus alpinus) as inferred by microsatellites. The 8th International Charr Symposium 2015-06-15 - 2015-06-18 2015.
  • Kahilainen, Kimmo K.; Smura, Teemu; Knudsen, Rune; Amundsen, Per-Arne; Jokela-Määttä, Mirka; Donner, Kristian. Visual pigments of polymorphic Arctic charr (Salvelinus alpinus (L.)) and whitefish (Coregonus lavaretus (L.)) in subarctic lakes. The 8th International Charr Symposium 2015-06-15 - 2015-06-18 2015.
  • Keva, Ossi; Eloranta, Antti; Järvinen, Antero; Thomas, Stephen; Knudsen, Rune; Mankinen, Katariina; Hayden, Brian; Amundsen, Per-Arne; Malinen, Tommi; Kahilainen, Kimmo K.. The consequences of seasonal dietary shifts to total mercury levels of Arctic charr (Salvelinus alpinus (L.)) in a subarctic lake. The 8th International Charr Symposium 2015-06-15 - 2015-06-18 2015.
  • Klemetsen, Anders; Amundsen, Per-Arne; Siwertsson, Anna; Eloranta, Antti; Hayden, Brian; Knudsen, Rune. Parallel evolution of profundal Arctic charr niches in two contrasting fish communities. The 8th International Charr Symposium 2015-06-15 - 2015-06-18 2015.
  • Knudsen, Rune; Siwertsson, Anna; Eloranta, Antti; Frainer, Andre Barbosa; Amundsen, Per-Arne; Klemetsen, Anders. Evolutionary and ecosystem consequences of a piscivore profundal morph of Arctic charr. The 8th International Charr Symposium 2015-06-15 - 2015-06-18 2015.
  • Simonsen, Marianne; Adams, Colin Ean; Siwertsson, Anna; Amundsen, Per-Arne; Knudsen, Rune. Ontogenetic trajectories of body and head morphology in three sympatric Arctic charr (Salvelinus alpinus) morphs. The 8th International Charr Symposium 2015-06-15 - 2015-06-18 2015.
  • Smalås, Aslak; Amundsen, Per-Arne; Knudsen, Rune. Fecundity, egg-size and fitness of a polymorphic population of Arctic charr. The 8th International Charr Symposium 2015-06-15 - 2015-06-18 2015.
  • Siwertsson, Anna; Knudsen, Rune; Amundsen, Per-Arne. Structure of diet specialization in Arctic charr using a network approach. The 8th International Charr Symposium 2015-06-15 - 2015-06-18 2015.
  • Primicerio, Raul; Amundsen, Per-Arne; Knudsen, Rune; Klemetsen, Anders. Facultative ontogenetic niche shifts, bistability and overcrowding in Arctic charr. The 8th International Charr Symposium 2015-06-15 - 2015-06-18 2015.
  • Henriksen, Eirik Haugstvedt; Knudsen, Rune; Kristoffersen, Roar; Kuris, Armand M; Lafferty, Kevin D.; Siwertsson, Anna; Amundsen, Per-Arne. Ontogenetic dynamics of Diphyllobothrium infections in sympatric Arctic charr and brown trout. The 8th International Charr Symposium 2015-06-15 - 2015-06-18 2015.
  • Siwertsson, Anna; Amundsen, Per-Arne; Knudsen, Rune; Kristoffersen, Roar; Klemetsen, Anders; Kuhn, Jesper Andreas; Kuris, Armand; Lafferty, Kevin; Shaw, Jenny. Food web structure in a subarctic lake. Invited guest lecture 2015-05-07 - 2015-05-07 2015.
  • Siwertsson, Anna; Amundsen, Per-Arne; Knudsen, Rune; Kristoffersen, Roar; Klemetsen, Anders; Kuhn, Jesper Andreas; Kuris, Armand; Lafferty, Kevin; Shaw, Jenny. Towards a holistic view of a lake food web - the importance of including benthic habitats and parasites. Aquatic Biodiversity and Ecosystems Conference - Evolution, interaction and global change 2015-08-30 - 2015-09-04 2015.
  • Amundsen, Per-Arne. Contrasting life-history strategies facilitated by cannibalism in a stunted Arctic charr population. 8th International Charr Symposium 2015-06-14 - 2015-06-18 2015.
  • Amundsen, Per-Arne; Kuhn, Jesper Andreas; Siwertsson, Anna; Knudsen, Rune; Kristoffersen, Roar. Økologi og forvaltning av fiskevatn – Takvatnprosjektet og resultater fra undersøkelser i seks innsjøer i Hamarøy-området. Folkemøte 2015-06-05 - 2015-06-05 2015.
  • Amundsen, Per-Arne; Smalås, Aslak; Knudsen, Rune; Kristoffersen, Roar; Siwertsson, Anna; Klemetsen, Anders. Takvatnprosjektet - Forskning og kultivering av en overbefolka røyeberstand. (fulltekst) 2015.
  • Siwertsson, Anna; Amundsen, Per-Arne; Knudsen, Rune; Kristoffersen, Roar; Kuhn, Jesper Andreas; Klemetsen, Anders; Kuris, Armand; Lafferty, Kevin; Shaw, Jenny. Towards a holistic view of a lake food web - the importance of including benthic habitats and parasites. Research open Day (instituttseminar) 2015-11-19 - 2015-11-19 2015.
  • Simonsen, Marianne; Siwertsson, Anna; Amundsen, Per-Arne; Adams, Colin Ean; Knudsen, Rune. Lake factors promoting polymorphism in Arctic charr (Salvelinus alpinus). Open research day (fagdag) UiT 2015-11-19 - 2015-11-19 2015.
  • Amundsen, Per-Arne. The Takvatn food-web project. Invited lecture 2015-11-20 - 2015-11-20 2015.
  • Amundsen, Per-Arne; Kuhn, Jesper Andreas. Spatial and temporal variations in parasite communities of freshwater fish in the subarctic. (fulltekst) 2015 ISBN 978-82-8266-105-8.
  • Kuhn, Jesper Andreas; Knudsen, Rune; Kristoffersen, Roar; Primicerio, Raul; Amundsen, Per-Arne. Temporal changes and structural variation in the intestinal parasite community of Arctic charr in a subarctic lake. 8th International Charr Symposium 2015-06-14 - 2015-06-18 2015.
  • Kuhn, Jesper Andreas; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne. Temporal changes and structural variation in the intestinal parasite community of Arctic charr in a subarctic lake. 8th International Charr Symposium - Book of Abstract 2015.
  • Kuhn, Jesper Andreas; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne. Effects of fish species composition on Diphyllobothrium spp. infections in subarctic brown trout and Arctic charr ‐ is three‐spined stickleback a key species?. Freshwater Ecology seminar, Tromsø, Norway 2014-11-07 - 2014.
  • Knudsen, Rune; Siwertsson, Anna; Amundsen, Per-Arne; Præbel, Kim; Klemetsen, Anders. Incipient speciation and ecosystem dynamics in subarctic lakes. Invited guest lecture 2014-02-13 - 2014-02-13 2014.
  • Knudsen, Rune; Siwertsson, Anna; Klemetsen, Anders; Kristoffersen, Roar; Amundsen, Per-Arne. The role of parasites in food-web of subarctic lakes. Invited guest lecture 2014-05-05 - 2014-05-05 2014.
  • Siwertsson, Anna; Knudsen, Rune; Kristoffersen, Roar; Klemetsen, Anders; Amundsen, Per-Arne. The role of parasites in food-web topology and dynamics of subarctic lakes – background and current status. Seminar at UC Santa Barbara 2014-02-03 - 2014-02-03 2014.
  • Gjelland, Karl Øystein; Amundsen, Per-Arne; Jensen, Hallvard; Sandlund, Odd Terje. Butcher or bait? Tracking the fate of brown trout stocked at piscivorous size. EcoFIL - Ecology of fish in lakes and reservoirs 2014-09-08 - 2014-09-11 2014.
  • Amundsen, Per-Arne; Knudsen, Rune; Kristoffersen, Roar; Klemetsen, Anders. Long-term population and community responses following ecological perturbation. Invited lecture - The Asymmetry Summit 2014-02-14 - 2014-02-15 2014.
  • Amundsen, Per-Arne. Long-term effects of a fish invasion in a subarctic watercourse. Invited Guest Lecture - Biologische Station Lunz 2014-06-09 - 2014-06-14 2014.
  • Amundsen, Per-Arne. Fiskens tilstand i Pasvikvassdraget fra 1991 og fram til i dag. Invitert foredrag - Pasvikseminaret 2014-03-12 - 2014-03-13 2014.
  • Amundsen, Per-Arne. Long-term ecological effects of climate change, contaminants, water regulations and biological invasions in River Pasvik. Invited lecture - Seminar Kolarctic ENPI project 2014-11-11 - 2014-11-12 2014.
  • Kuhn, Jesper Andreas; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne. Effects of fish species composition on Diphyllobothrium spp. infections in subarctic brown trout and Arctic charr ‐ is the three‐spined stickleback a key species?. DAFINET workshop, Frederiksberg, Denmark 2014-11-11 - 2014.
  • Kuhn, Jesper Andreas; Kristoffersen, Roar; Knudsen, Rune; Jakobsen, J.; Marcogliese, David J.; Locke, S. A.; Primicerio, Raul; Amundsen, Per-Arne. Parasite communities of two three-spined stickleback (Gasterosteus aculeatus) populations in subarctic Norway - Effects of a local-scale host introduction. GENOMES TO/AUX BIOMES 2014, Montreal, Canada 2014-05-25 - 2014.
  • Kuhn, Jesper Andreas; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne. Effects of fish species composition on Diphyllobothrium spp. infections in subarctic brown trout and Arctic charr - is three-spined stickleback a key species?. Research Open Day, Department of Arctic and Marine Biology, Tromsø, Norway 2014-11-26 - 2014.
  • Kuhn, Jesper Andreas; Knudsen, Rune; Kristoffersen, Roar; Amundsen, Per-Arne. Effects of fish species composition on Diphyllobothrium spp. infections in subarctic brown trout and Arctic charr ‐ is the three‐spined stickleback a key species?. DAFINET book of abstracts, Frederiksberg, Denmark 2014.
  • Jensen, Hallvard; Amundsen, Per-Arne; Kiljunen, Mikko; Knudsen, Rune. Resource partitioning of Arctic charr (Salvelinus alpinus), European whitefish (Coregonus lavaretus) and brown trout (Salmo trutta) at their southern edge of their continuous distribution. ECOFIL - Ecology of Fish in Lakes and Reservoirs 2014-09-08 - 2014-09-11 2014.
  • Jensen, Hallvard; Amundsen, Per-Arne. Ecology and management of brown trout (Salmo trutta) in a Norwegian watercourse – stocking as a sustainable conservation approach. The Wild trout Symposium – looking back and moving forward 2013-10-01 - 2013-10-04 2013.
  • Knudsen, Rune; Præbel, Kim; Siwertsson, Anna; Amundsen, Per-Arne. Incipient speciation in subarctic Scandinavia. Gjesteforelesning 2013-10-04 - 2013-10-04 2013.
  • Knudsen, Rune; Amundsen, Per-Arne. Arctic charr activities in northern Norway. Workshop on patterns and processes of intraspecific divergence and their relevance to aquatic biological diversity 2013-02-25 - 2013-02-27 2013.
  • Amundsen, Per-Arne; Knudsen, Rune; Præbel, Kim; Siwertsson, Anna; Bhat, Shripathi; Kahilainen, Kimmo K.. Incipient ecological speciation in subarctic whitefish. Workshop on patterns and processes of intraspecific divergence and their relevance to aquatic biological diversity 2013-02-25 - 2013-02-27 2013.
  • Simonsen, Marianne; Skoglund, Sigrid Østrem; Adams, Colin Ean; Amundsen, Per-Arne; Siwertsson, Anna; Knudsen, Rune. Trophic morphology and ontogenetic differences in three sympatric Arctic charr (Salvelinus alpinus) morphs in Lake Skogsfjordvatn. Speciation 2013 2013-05-27 - 2013-05-29 2013.
  • Simonsen, Marianne; Adams, Colin Ean; Amundsen, Per-Arne; Siwertsson, Anna; Knudsen, Rune. Trophic morphology and ontogenetic differences in three sympatric Arctic charr (Salvelinus alpinus) morphs in Lake Skogsfjordvatn. Research open day 2013-11-19 - 2013-11-19 2013.
  • Knudsen, Rune; Skoglund, Sigrid Østrem; Smalås, Aslak; præbel, kim; DalsbØ, laina h; Amundsen, Per-Arne. Røya i Skogsfjorden. Folkemøte 2013-04-20 - 2013-04-20 2013.
  • Amundsen, Per-Arne; Knudsen, Rune; Præbel, Kim; Siwertsson, Anna; Bhat, Shripathi; Klemetsen, Anders. Ecological speciation in subarctic whitefish and Arctic charr. CEES Seminar 2013-04-10 - 2013-04-10 2013.
  • Amundsen, Per-Arne; Knudsen, Rune; Kristoffersen, Roar; Klemetsen, Anders. Long-term studies following experimental density depletion of a stunted Arctic charr population - ecological and management implications. Long-term ecological studies in Northern Fennoscandia - Workshop 2013-03-13 - 2013-03-15 2013.
  • Gjelland, Karl Øystein; Amundsen, Per-Arne; Sandlund, Odd Terje. Butcher or bait? The potential for using brown trout as a biocontrol agent. WISER final project meeting and conference „ Current Questions in Water Management” 2012-01-25 - 2012-01-26 2012.
  • Amundsen, Per-Arne; Gjelland, Karl Øystein; Knudsen, Rune; DalsbØ, laina h; Lien, Cesilie; Evjen, jan knut. Lagesilda i Pasvikvassdraget - langtidseffekter av en biologisk invasjon. 2012.
  • Kristoffersen, Roar; Amundsen, Per-Arne; Knudsen, Rune. Statusrapport for fiskebestandene i Takvatn og tre andre innsjøer i Balsfjord og Målselv. Foredrag 2012-06-02 - 2012-06-02 2012.
  • Knudsen, Rune; Præbel, Kim; Siwertsson, Anna; Bath, Shriphati; Klemetsen, Anders; Amundsen, Per-Arne. Incipient ecological speciation in northern salmonids. Foredrag 2012-02-02 - 2012-02-02 2012.
  • Knudsen, Rune; Eloranta, Antti; Skoglund, Sigrid Østrem; Smalås, Aslak; Præbel, Kim; Amundsen, Per-Arne. Alternative trophic niche adaptations as an evolutionary promoter for divergence between sympatric deep water morphs of Arctic charr. 7th International Charr Symposium 2012-09-03 - 2012-09-06 2012.
  • Eloranta, Antti; Knudsen, Rune; Amundsen, Per-Arne. Population and individual level resource niche plasticity and specialization of Arctic charr in sympatry with brown trout. 7th International Charr Symposium 2012-09-03 - 2012-09-06 2012.
  • Amundsen, Per-Arne; Knudsen, Rune; Kristoffersen, Roar; Klemetsen, Anders. Long-term effects of experimental density depletion of a stunted Arctic charr population - ecological and management implications. 7th International Charr Symposium 2012-09-03 - 2012-09-06 2012.
  • Amundsen, Per-Arne; Knudsen, Rune; Kristoffersen, Roar. Statusrapport for fiskebestandene i Sagelvvatn og tre andre innsjøer i Balsfjord og Målselv. Folkemøte - Sagelvvatn 2012-03-24 - 2012.
  • Amundsen, Per-Arne; Knudsen, Rune; Kristoffersen, Roar. Statusrapport for fiskebestandene i Josefvatn og tre andre innsjøer i Balsfjord og Målselv. Folkemøte - Josefvatn 2012-03-21 - 2012.
  • Amundsen, Per-Arne; Knudsen, Rune; Kristoffersen, Roar; Gjelland, Karl Øystein; Klemetsen, Anders. Long-term studies in relation to fish harvesting and invasions in freshwater systems. AMINOR workshop 2012-01-23 - 2012.
  • Knudsen, Rune; Skoglund, Sigrid Østrem; Smalås, Aslak; Præbel, Kim; Siwertsson, Anna; Amundsen, Per-Arne. Early speciation into dark side of life. Instituttseminar 2012-11-21 - 2012-11-21 2012.
  • Siwertsson, Anna; Knudsen, Rune; Amundsen, Per-Arne; Præbel, Kim; Fevolden, Svein-Erik. Diversity of whitefish populations in northern Fennoscandia. Research Open Day (instituttseminar) 2012-11-21 - 2012-11-21 2012.
  • Bhat, Shripathi; Amundsen, Per-Arne; Knudsen, Rune; Bernatchez, Louis; Gjelland, Karl Øystein; Fevolden, Svein-Erik; Præbel, Kim. Ongoing work on the effect of invasion of vendace on reproductive isolation between whitefish morph-pairs in Lake Skrukkebukta and talk about my PhD objectives. Invited Presentation 2012-10-22 - 2013-01-17 2012.
  • Gjelland, Karl Øystein; Amundsen, Per-Arne; Sandlund, Odd Terje. Butcher or bait: On the potential for using brown trout stocking as a biocontrol agent. SOLVE: State of Lake Vänern Ecosystem: Past, Present and Future 2012-06-11 - 2012-06-14 2012.
  • Præbel, Kim; Westgaard, Jon-Ivar; Amundsen, Per-Arne; Siwertsson, Anna; Knudsen, Rune; Kahilainen, Kimmo K.; Fevolden, Svein-Erik. A diagnostic tool for efficient genetic analysis of population structure in coregonids. 11th International symposium on the biology and management of coregonid fishes 2011-09-26 - 2011-09-30 2011.
  • Præbel, Kim; Siwertsson, Anna; Knudsen, Rune; Amundsen, Per-Arne. Incipient speciation through ecological divergence in subarctic European whitefish populations. EV-Seminars, IFM-Geomar 2011-02-16 - 2011-02-16 2011.
  • Amundsen, Per-Arne; Knudsen, Rune; Præbel, Kim; Siwertsson, Anna; Kahilainen, Kimmo K.; Klemetsen, Anders. Polymorphism and ecological speciation in European whitefish and Arctic charr. Guest Lecture - Oregon State University 2011-03-29 - 2011.
  • Amundsen, Per-Arne; Knudsen, Rune; Præbel, Kim; Siwertsson, Anna; Kahilainen, Kimmo K.; Klemetsen, Anders. Polymorphism and ecological speciation in freshwater fish. Guest Lecture- NOAA Fisheries 2011-04-08 - 2011.
  • Amundsen, Per-Arne; Knudsen, Rune; Præbel, Kim; Siwertsson, Anna; Klemetsen, Anders. Incipient ecological speciation in subarctic salmonids. Guest Lecture - UC Santa Barbara 2011-06-27 - 2011.
  • Amundsen, Per-Arne; Gjelland, Karl Øystein. Effekter av lagesildinvasjonen i Pasvik. Folkemøte Svanhovd miljøsenter 2011-09-16 - 2011.
  • Gjelland, Karl Øystein; Amundsen, Per-Arne. Ørret som jeger og gjedde som joker: Forsøk på å kontrollere lagesilda i Pasvik. Folkemøte Svanhovd miljøsenter 2011-09-16 - 2011.
  • Knudsen, Rune; Siwertsson, Anna; Præbel, Kim; Amundsen, Per-Arne. Incipient speciation of whitefish and Arctic charr. Student exchange seminar 2011-08-25 - 2011.
  • Præbel, Kim; Østbye, Kjartan; Siwertsson, Anna; Knudsen, Rune; Kahilainen, Kimmo K.; Fevolden, Svein-Erik; Amundsen, Per-Arne. Parallel post-glacial re-colonisation of European whitefish morphs in northern Fennoscandia. 11th International symposium on the biology and management of coregonid fishes 2011-09-26 - 2011-09-30 2011.
  • Østbye, Kjartan; Præbel, Kim; Knudsen, Rune; Siwertsson, Anna; Amundsen, Per-Arne. Adaptive niche proliferation of polymorphic whitefish along the Kautokeino riversystem in northern Norway. 11th International symposium on the biology and management of coregonid fishes 2011-09-26 - 2011-09-30 2011.
  • Evans, Melissa; Præbel, Kim; Peruzzi, Stefano; Amundsen, Per-Arne; Chapman, Lauren; Bernatchez, Louis. Elucidating the role of physiological adaptations in the ecological speciation of whitefish. 11th International symposium on the biology and management of coregonid fishes 2011-09-26 - 2011-09-30 2011.
  • Bhat, Shripathi; Amundsen, Per-Arne; Knudsen, Rune; Bernatchez, Louis; Gjelland, Karl Øystein; Fevolden, Svein-Erik; Præbel, Kim. Is breakdown of reproductive isolation between a species-pair of European whitefish caused by a biological invasion?. 11th International symposium on the biology and management of coregonid fishes 2011-09-26 - 2011-09-30 2011.
  • Gjelland, Karl Øystein; Amundsen, Per-Arne. Vendace invasion and biological control. NINA foredragsserie 2011-09-28 - 2011.
  • Reshetnikov, Yuri S.; Popova, Olga A.; Amundsen, Per-Arne. Introduction of vendace (Coregonus albula) in Pasvik river ecosystem. The III International Symposium "INVASION OF ALIEN SPECIES IN HOLARTIC. BOROK - 3" 2010-10-05 - 2010-10-09 2010.
  • Eloranta, Antti; Siwertsson, Anna; Knudsen, Rune; Kahilainen, Kimmo K.; Jones, Roger I.; Præbel, Kim; Amundsen, Per-Arne. RESOURCE PARTITIONING BETWEEN ARCTIC CHARR, WHITEFISH AND GRAYLING ALONG ALTITUDE GRADIENT OF SUBARCTIC LAKES. ASLO MEETING 2010-06-06 - 2010-06-11 2010.
  • Knudsen, Rune; Klemetsen, Anders; Amundsen, Per-Arne. Deep-water adapted morphs of Arctic charr. Frospects 2010-08-03 - 2010-08-07 2010.
  • Knudsen, Rune; Siwertsson, Anna; Præbel, Kim; Amundsen, Per-Arne. Incipient speciation and adaptive radiation in fishes from northern Scandinavia. Seminar in fish polymorphism & ecology 2010-11-11 - 2010-11-12 2010.
  • Knudsen, Rune; Amundsen, Per-Arne; Siwertsson, Anna; Præbel, Kim. Resource polymorphism and incipient speciation in Arctic charr (Salvelinus alpinus) from a subarctic lake. Woorkshop in limnology/freshwater ecology 2010-05-05 - 2010-05-07 2010.
  • Kristoffersen, Roar; Amundsen, Per-Arne. Forsøk med kultivering av overbefolka sik- og røyevatn gjennom uttynningsfiske. Idédugnad: Hvordan utnytte de rike innlandsfiskressursene i Finnmark bedre? 2010-05-27 - 2010-05-28 2010.
  • Amundsen, Per-Arne. The role of parasites in the trophic network of a subarctic lake. Workshop UCSB 2010-05-24 - 2010-05-25 2010.
  • Amundsen, Per-Arne; Knudsen, Rune. Food web topology and parasites in a subarctic lake. Seminar in aquatic ecology - University of Jyväskylä, Finland 2010-05-05 - 2010-05-07 2010.
  • Amundsen, Per-Arne; Knudsen, Rune. Winter ecology of Arctic charr and brown trout in a subarctic lake. Finse International Research Workshop 2010-04-26 - 2010-04-28 2010.
  • Amundsen, Per-Arne; Gjelland, Karl Øystein. Langtidseffekter av lagesildas invasjon i Pasvikvassdraget. DN’s fagsamling for fisk og biologisk mangfold i ferskvann 2010-06-21 - 2010-06-23 2010.
  • Amundsen, Per-Arne. Tungmetallforurensing i fisk. DN’s fagsamling for fisk og biologisk mangfold i ferskvann 2010-06-21 - 2010-06-23 2010.
  • Knudsen, Rune; Præbel, Kim; Siwertsson, Anna; Kahilainen, Kimmo K.; Fevolden, Svein-Erik; Amundsen, Per-Arne. Ongoing ecological speciation in Fennoscandian whitefish?. First European Conference on Speciation Research 2010-12-12 - 2010-12-15 2010.
  • Præbel, Kim; Siwertsson, Anna; Knudsen, Rune; Fevolden, Svein-Erik; Amundsen, Per-Arne. Incipient speciation through ecological divergence in subarctic whitefish populations. Seminar at CEES 2010-11-22 - 2010-11-22 2010.
  • Gjelland, Karl Øystein; Amundsen, Per-Arne; Bøhn, Thomas. Following a fish invasion; food web characteristics and ecological interactions in the Pasvik watercourse. WETS spring seminar 2010-05-06 - 2010-05-07 2010.
  • Popova, Olga A.; Reshetnikov, Yuri S.; Amundsen, Per-Arne. Changes of "predator-prey" relations in the Pasvik river waterbodies after the vendace invasion. Biology, biotechnology of breeding, and condition of whitefish stocks VII International Scientific and Practical Workshop. 2010-02-16 - 2010-02-18 2010.
  • Reshetnikov, Yuri S.; Popova, Olga A.; Amundsen, Per-Arne. Influence of introduced species upon the freshwater ecosystem. Biology, biotechnology of breeding, and condition of whitefish stocks VII International Scientific and Practical Workshop. 2010-02-16 - 2010-02-18 2010.
  • Amundsen, Per-Arne; Gjelland, Karl Øystein. Langtidseffekter av en biologisk invasjon. Miljøverndepartementet "Peismøte" 2009-02-26 - 2009-02-26 2009.
  • Kahilainen, Kimmo K.; Siwertsson, Anna; Gjelland, Karl øystein; Knudsen, Rune; Bøhn, Thomas; Amundsen, Per-Arne. Significance of gill rakers in Coregonus radiation. Evolutionary Ecology of Fishes: Diversification, Adaptation and Speciation 2009-11-23 - 2009-11-25 2009.
  • Præbel, Kim; Fevolden, Svein-Erik; Westgaard, Jon-Ivar; Amundsen, Per-Arne. Four microsatellite multiplex panels for studies of speciation, hybridization, and population dynamics in Coregonid fishes. International Conference on “Evolutionary Ecology of Fishes” 2009-11-23 - 2009-11-25 2009.
  • Siikavuopio, Sten Ivar; Knudsen, Rune; Amundsen, Per-Arne. Comparative growth study of Arctic charr and European whitefish at low temperatures. 6th International Charr Symposium 2009-06-15 - 2009-06-18 2009.
  • Siwertsson, Anna; Knudsen, Rune; Kahilainen, Kimmo K.; Præbel, Kim; Amundsen, Per-Arne. Variable patterns of phenotypic diversification within whitefish (Coregounus lavaretus) populations in northern Scandinavia. Evolutionary Ecology of Fishes: Diversification, Adaptation and Speciation 2009-11-23 - 2009-11-25 2009.
  • Kristoffersen, Roar; Knudsen, Rune; Amundsen, Per-Arne. Næringsoverførte parasitter hos ferskvannsfisk: diversitet og endringer i forekomst. Fagseminaret "Helsesituasjonen hos vill fisk - oppdager vi endringene" 2009-03-24 - 2009-03-25 2009.
  • Amundsen, Per-Arne; Knudsen, Rune; Bryhni, Helge Thomas. Niche use and resource partitioning of Arctic charr, European whitefish and grayling in a subarctic lake. 6th International Salvelinus Symposium 2009-06-15 - 2009-06-19 2009.
  • Amundsen, Per-Arne; Knudsen, Rune; Klemetsen, Anders. Resource polymorphism and mechanisms of incipient speciation in Arctic charr (Salvelinus alpinus) from a subarctic lake. International Conference on Evolutionary Ecology of Fishes - Diversification, Adaptation and Speciation 2009-11-23 - 2009-11-25 2009.
  • Gjelland, Karl Øystein; Amundsen, Per-Arne; Horne, John K.. Contrasting behavioural strategies may suffice to explain species differences in competitive performance. Evolutionary Ecology of Fishes: Diversification, Adaptation and Speciation 2009-11-23 - 2009-11-25 2009.
  • Knudsen, Rune; Siwertsson, Anna; Primicerio, Raul; Amundsen, Per-Arne; Adams, Colin Ean; Klemetsen, Anders. High inter-individual temporal consitency of narrow niches - an early step in the speciation process?. Evolutionary Ecology of Fishes: Diversification, Adaptation and Speciation 2009-11-23 - 2009-11-25 2009.
  • Knudsen, Rune; Amundsen, Per-Arne; Klemetsen, Anders. Arctic charr sympatry with burbot: Ecological and evolutionary consequences. 6th International Charr Symposium 2009-06-15 - 2009-06-18 2009.
  • Amundsen, Per-Arne; Kristoffersen, Roar. Innledning. Ottar 2008; Volum 273 (5). ISSN 0030-6703.s 2 - 2.
  • Siwertsson, Anna; Knudsen, Rune; Amundsen, Per-Arne. Stability of Gill Raker Numbers through Time in Subarctic Whitefish (Coregonus lavaretus (L.))Polulations. Tenth International Symposium on the Biology and Management of Coregonid Fishes 2008-08-24 - 2008-08-29 2008.
  • Siwertsson, Anna; Knudsen, Rune; Amundsen, Per-Arne. Incipient ecological speciation in subarctic whitefish populations – a starting project. Graduate-meeting of the specialized section “Ecology” of the German Zoological Society. “The ecology of specialized individuals in populations: prerequisites – constraints – development – relevance” 2008-03-07 - 2008-03-09 2008.
  • Gjelland, Karl øystein; Amundsen, Per-Arne. Ecological interactions, light responses and vertical habitat use in a subarctic pelagic freshwater community. 2008 ISBN 978-82-91086-59-0.
  • Knudsen, Rune; Siwertsson, Anna; Amundsen, Per-Arne. Darwins fisker? Spennende evolusjon hos røye og sik. Ottar 2008; Volum 273 (5). ISSN 0030-6703.s 22 - 29.
  • Knudsen, Rune; Amundsen, Per-Arne; Kristoffersen, Roar; Primicerio, Raul; DalsbØ, laina h; Evjen, jan knut. Takvatnprosjektet – vellykket kultiverings- og forskningssamarbeid. Ottar 2008; Volum 273 (5). ISSN 0030-6703.s 14 - 21.
  • Gabler, Heidi-Marie; Amundsen, Per-Arne. Ferskvannsulker – en konkurrent for lakseunger?. Ottar 2008; Volum 273 (5). ISSN 0030-6703.s 58 - 60.
  • Kristoffersen, Roar; Knudsen, Rune; Amundsen, Per-Arne. Fiskeparasitter. Ottar 2008; Volum 5 (273). ISSN 0030-6703.s 61 - 68.
  • Amundsen, Per-Arne; Gjelland, Karl øystein; Siwertsson, Anna; Lien, Cesilie; DalsbØ, laina h; Jensen, Hallvard. Invasjon av lagesild i Pasvikvassdraget. Ottar 2008; Volum 273 (5). ISSN 0030-6703.s 30 - 37.
  • Kristoffersen, Roar; Amundsen, Per-Arne; Knudsen, Rune. Ferskvann og ferskvannsfisk i Nord-Norge. Ottar 2008; Volum 5 (273). ISSN 0030-6703.s 6 - 13.
  • Amundsen, Per-Arne; Kristoffersen, Roar. Anders Klemetsen – en pioner i nordnorsk ferskvannsforskning. Ottar 2008; Volum 273 (5). ISSN 0030-6703.s 3 - 5.
  • Gjelland, Karl øystein; Bøhn, Thomas; Amundsen, Per-Arne. Coexistence mediated by microhabitat segregation? - an in-depth exploration of fish invasion. Non-Native Fishes: Integrated Biology of the Establishment Success & Dispersal (fulltekst) 2007-07-23 - 2007-07-27 2007.
  • Gjelland, Karl øystein; Thorstad, EB; Økland, F.; Amundsen, Per-Arne. Habitat use of piscivorous brown trout in relation to light and prey distribution. 7th Conference on Fish Telemetry Held in Europe (fulltekst) 2007-06-17 - 2007-06-21 2007.
  • Knudsen, Rune; Amundsen, Per-Arne; Nilsen, Rune; Kristoffersen, Roar; Klemetsen, Anders. Parasites as indicators of trophic segregation between Arctic charr and brown trout. 5th International Charr Symposium 2006-08-02 - 2006-08-05 2006.
  • Bøhn, Thomas; Amundsen, Per-Arne. Ecological interactions and evolution: Forgotten parts of biodiversity?. BioScience 2004; Volum 54. ISSN 0006-3568.s 804 - 805.
  • Kristoffersen, Roar; Amundsen, Per-Arne; Knudsen, Rune. Uttynningsfisket i Stuorajavri - Foreløpige resultater (2003). 2004.
  • Amundsen, Per-Arne; Kashulin, Nikolay a.; Gjelland, Karl Øystein; Sandimirov, Sergey s.; Jensen, Hallvard; Shirokov, Vyacheslav a.; Kudrevtcheva, Lubjv p.; Bøhn, Thomas; Aspholm, Paul eric. Brown trout in the Pasvik watercourse: Population status and potentials and limitations for recruitment, production and management. 2004.
  • Kristoffersen, Roar; Amundsen, Per-Arne; Knudsen, Rune. Uttynningsfisket i Stuorajavri: Foreløpige resultater (2003). Rapport til Kautokeino kommune.. 2003.
  • Kashulin, Nikolay; Amundsen, Per-Arne; Bøhn, Thomas; Dalsbø, Laina. Environmental monitoring in the Pasvik watercourse 2002. 2003.
  • Amundsen, Per-Arne; Bøhn, Thomas. Fisk i Pasvikvassdraget og effektene av lagesildas invasjon. 2003.
  • Gjelland, Karl Øystein; Knudsen, Frank Reier; Bøhn, Thomas; Amundsen, Per-Arne. Coregonid swimming behaviour in two subarctic lakes. 8th International symposium on the biology and management of Coregonid fishes 2002-08-26 - 2002-08-29 2002.
  • Gjelland, Karl Øystein; Knudsen, Frank Reier; Bøhn, Thomas; Amundsen, Per-Arne. Season affects hydroacoustic fish distribution and abundance estimates in boreal lakes. Acoustics in fisheries and aquatic ecology 2002-06-10 - 2002-06-14 2002.
  • Klemetsen, Anders; Amundsen, Per-Arne; Grotnes, per; Knudsen, Rune; Kristoffersen, Roar; Svenning, Martin-Arne. Long-term development of the arctic charr Salvelinus alpinus of Takvatn: a preliminary report.. International Society of Arctic Charr Fanatics, Information Series 1999; Volum 7. ISSN 0283-586X.s 131 - 134.
  • Klemetsen, Anders; Grotnes, per; Amundsen, Per-Arne; Svenning, Martin-Arne. Tette røyebestander kan forbedres. 1995 ISBN 82-12-00489-9.s 190 - 197.
  • Kristoffersen, Roar; Amundsen, Per-Arne. Er parasitter et problem i innsjøer med sik og gjedde?. 1993.
  • Amundsen, Per-Arne; Bergersen, Robert; Rubach, Stein. Biologisk befaring i Haukvikåga, Glomfjord. 1983.
  • Amundsen, Per-Arne; Kristoffersen, Roar. Vanlige parasitter hos ferskvannsfisk. Gløtt fra Universitetet i Tromsø.. Nordlys 1982. ISSN 0805-5440.
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    Publications outside Cristin

     

    Scientific & popular science publications

    > 190 scientific publications in peer-reviewed journals and book

    > 60 popular science publications and reports

    Research interests

    • Freshwater ecology
    • Population and community ecology of freshwater fish
    • Trophic ecology, food webs and ecological interactions
    • Long-term ecological studies 
    • Competition, predation and parasitism
    • Polymorphism and speciation in salmonid fish
    • Management and rehabilitation of fish populations
    • Invasion biology
    • Climate change and environmental challenge

    Teaching

    Teaching at the Bachelor, Master and PhD levels:

    • Bio-3505 Ecological interactions
    • Bio-3521 Seminars in freshwater ecology
    • Bio-2017 Økologi
    • Bio-3513A Term paper in freshwater ecology
    • Bio-8006 Environmental systems: integrating monitoring, research and management

    Supervision of master and PhD candidates


    Member of research group

    Freshwater Ecology   Norsk innhold Freshwater Ecology Group   English content