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Bilde av Rikardsen, Audun
Photo: Tor H. Evensen
Bilde av Rikardsen, Audun
Department of Arctic and Marine Biology audun.rikardsen@uit.no +4777644475 92443354 Tromsø You can find me here

Audun Rikardsen

  • Emma, Meghan Van, Ingvild Ytterhus, Martin, Audun H. :
    Characterizing movement patterns of killer whales along the Norwegian coast
    Animal Biotelemetry 09. August 2025 DOI
  • Christian, Marie-Anne, Kit M., Tiu, Carla Freitas, Zoë Luccia Juliette et al.:
    Migration to breeding areas by male sperm whales Physeter macrocephalus from the Northeast Atlantic Arctic
    Scientific Reports 2025 DOI
  • Christian, Marie-Anne Ermeline, Kit M., Tiu, Carla, Zoë Luccia Juliette et al.:
    Migration to breeding areas by male sperm whales Physeter macrocephalus from the Northeast Atlantic Arctic
    Scientific Reports 2025 DOI
  • Emma Frances, Audun H., Marie-Anne, Pierre, Martin :
    Norwegian killer whale movements reflect their different prey types
    Polar Research 2024 DOI / ARKIV
  • Zoë Luccia Juliette, Tiu, Audun H., Marie-Anne :
    Seasonal changes in the feeding aggregation structure of male sperm whales (Physeter macrocephalus) in Northern Norway
    Marine mammal science 2024 DOI / ARKIV
  • Ingvild Ytterhus, Emma Frances, Martin, Meghan Van, Audun Håvard :
    Characterizing humpback whale behavior along the North-Norwegian coast
    Animal Biotelemetry 2024 DOI / ARKIV
  • Anaïs, Rune, Christian, Filipa I. P., Audun H., Lisa Elena et al.:
    Quantitative fatty acid signature analysis reveals a high level of dietary specialization in killer whales across the North Atlantic
    Journal of Animal Ecology 2023 DOI / ARKIV
  • Anaïs, Rune, Christian, Filipa I P, Robert J., Audun H. et al.:
    Varying Diet Composition Causes Striking Differences in Legacy and Emerging Contaminant Concentrations in Killer Whales across the North Atlantic
    Environmental Science and Technology 2023 DOI
  • Clare, Pierre, Mikael, Katrine, Eve, Richard et al.:
    Phthalate contamination in marine mammals off the Norwegian coast
    Marine Pollution Bulletin 2023 DOI / ARKIV
  • Lisa Elena, Theresia, Fredrik Björn, Martin, Marie-Anne, Sophie et al.:
    Don't mind if I do: Arctic humpback whales respond to winter foraging opportunities before migration
    Royal Society Open Science 2023 DOI / ARKIV
  • Julius, Daniel, Søren, Helle Torp, Anja, Lorenz et al.:
    Validation of pop-up satellite archival tags (PSATs) on Atlantic cod (Gadus morhua) in a Greenland fjord
    Fisheries Research 2023 DOI / ARKIV
  • Emma, Stine, Martin, Marie-Anne, Lars, Georg et al.:
    Foraging movements of humpback whales relate to the lateral and vertical distribution of capelin in the Barents Sea
    Frontiers in Marine Science 2023 DOI / ARKIV
  • J., P., P.M., R.A., A., M. et al.:
    Establishment of killer whale (Orcinus orca) primary fibroblast cell cultures and their transcriptomic responses to pollutant exposure
    Environment International 2023 DOI / ARKIV
  • John Fredrik, Ola, Audun H., Eva Bonsak :
    Marine food consumption by adult Atlantic salmon and energetic impacts of increased ocean temperatures caused by climate change
    Hydrobiologia 2023 DOI / ARKIV
  • Ronan James, Mikhail, Geir Hysing, John, Jan Arge, Jaakko et al.:
    Genetic stock identification reveals greater use of an oceanic feeding ground around the Faroe Islands by multi-sea winter Atlantic salmon, with variation in use across reporting groups
    ICES Journal of Marine Science 2022 DOI / ARKIV
  • Richard David, Mari, Eva Bonsak, John Fredrik, Audun H. :
    Diving and feeding of adult Atlantic salmon when migrating through the coastal zone in Norway
    Environmental Biology of Fishes 2022 DOI / ARKIV
  • Helena Sofia Gomes, Andrew, Christopher, Oddbjørn, Audun H., Courtney Alice :
    Blowing in the Wind: Using a Consumer Drone for the Collection of Humpback Whale (Megaptera novaeangliae) Blow Samples during the Arctic Polar Nights
    Drones 2022 DOI / ARKIV
  • Anna, Mikael, Jon, Pierre, Jenny, Geir W. et al.:
    Occurrence of emerging brominated flame retardants and organophosphate esters in marine wildlife from the Norwegian Arctic
    Environmental Pollution (1987) 2022 DOI / ARKIV
  • Lisa Elena, Audun, Martin, Fredrik Björn, Evert, Marie-Anne :
    Round-trip migration and energy budget of a breeding female humpback whale in the Northeast Atlantic
    PLOS ONE 2022 DOI / ARKIV
  • Emma, Martin, Marie-Anne, Ian D., Evert, Espen et al.:
    Killer whale movements on the Norwegian shelf are associated with herring density
    Marine Ecology Progress Series 2021 DOI
  • Audun H., David, John Fredrik, Eva Bonsak, Patrick G., Timothy F. et al.:
    Redefining the oceanic distribution of Atlantic salmon
    Scientific Reports 2021 DOI / ARKIV
  • Charmain Danielle, Christian, Jon, Martin, Andrei, Erik W. et al.:
    Marine mammal hotspots in the Greenland and Barents Seas
    Marine Ecology Progress Series 2021 DOI / ARKIV
  • Pierre, Audun H., Pim, Aaron T., Sabrina, Emma et al.:
    A deep dive into fat: Investigating blubber lipidomic fingerprint of killer whales and humpback whales in northern Norway
    Ecology and Evolution 2021 DOI / ARKIV
  • Ana Sofia, Luca, Audun H., Pierre :
    Mass standings of seven toothed and baleen whale species in Northern Norway in March 2020 call for further investigation
    Polar Biology 2021 DOI
  • Ana Sofia, Luca, Audun, Pierre :
    Mass strandings of seven toothed and baleen whale species in Northern Norway in March 2020 call for further investigation
    Polar Biology 2021 DOI / ARKIV
  • Benjamin J., Eva Bonsak, Audun H., Jenny Lovisa Alexandra :
    Keeping close to the river, shore and surface: the first marine migration of brown trout (Salmo trutta) and Arctic charr (Salvelinus alpinus) post-smolts
    Journal of Fish Biology 2021 DOI / ARKIV
  • Evert, Marie-Anne, Brett, James, Martin, Audun H. :
    Killer whales are attracted to herring fishing vessels
    Marine Ecology Progress Series 2020 DOI / ARKIV
  • Rune, Audun H., Martin, Lars, Christina Lehmkuhl, Dominique et al.:
    Migratory and diurnal activity of North Atlantic killer whales (Orcinus orca) off northern Norway
    Journal of Experimental Marine Biology and Ecology 2020 DOI
  • Evert, Marie-Anne, Martin, Audun H. :
    Implications of tag positioning and performance on the analysis of cetacean movement
    Animal Biotelemetry 17. Mai 2019 DOI / ARKIV
  • John Fredrik, Eva Bonsak, Audun :
    Thermal habitat of adult Atlantic salmon Salmo salar in a warming ocean
    Journal of Fish Biology 2019 DOI / ARKIV
  • John Fredrik, Audun H., Steven E., David, Jonathan, Kim et al.:
    Ocean predation and mortality of adult Atlantic salmon
    Scientific Reports 2019 DOI / ARKIV
  • Michael B., Mark D., John Fredrik, Audun H., Andrew C. :
    Behavior and thermal environment of Chinook salmon Oncorhynchus tshawytscha in the North Pacific Ocean, elucidated from pop-up satellite archival tags
    Environmental Biology of Fishes 2019 DOI / ARKIV
  • John Fredrik, Eva Bonsak, Richard David, Audun H. :
    Revealing the full ocean migration of individual Atlantic salmon
    Animal Biotelemetry 2018 DOI / ARKIV
  • Eva Marita, Anders, Arne Johan, Bengt, Eva Bonsak, Audun H. et al.:
    Return migration of adult Atlantic salmon (Salmo salar L.) to northern Norway
    ICES Journal of Marine Science 2018 DOI / ARKIV
  • Arne Johan, Bengt, Peder, Torbjørn, Audun H., Ola :
    Relationship between marine growth and sea survival of two anadromous salmonid fish species
    Canadian Journal of Fisheries and Aquatic Sciences 2018 DOI / ARKIV
  • Michael B., Brendan S., Randy J, Audun H., Colin P, Andrew C. :
    Offshore ocean dispersal of adult Dolly Varden Salvelinus malma in the Beaufort Sea
    Polar Biology 2018 DOI
  • Sofie, Anya, Sara, Maud Van, Demetri, Heli Anna Irmeli et al.:
    Marma-detox: Whales and polar bear in a petri dish: decoding marine mammal toxicology through in vitro and in silico approaches
    09. August 2025 DOI
  • Diogo, Heli Anna Irmeli, Jenny, Filipe, Bram, A et al.:
    POPs in Barents Sea Marine Mammals: Accumulation vs Biotransformation
    24. Juli 2025
  • Audrey, Eve Marie, Clare Margaret, Audun H., Sofie, Pierre et al.:
    Den forgiftede hvalen
    01. Juli 2025 DOI
  • Audrey, Pierre, Laura, maud van, Veslemøy, Sofie et al.:
    From Sea to Lab: Using innovative methods to study large marine mammals
    03. März 2025 DOI
  • maud van, Anders, Audun H., cathy, demetri, Jon et al.:
    Marine mammals and polar bears in a petri dish: Cell isolation, differentiation, and exposure experiments for pollution impact assessment
    28. August 2025
  • Veslemøy, Derrick Kwame, Audun H., Jasmine, Aurelien, Cathy et al.:
    Blubber under stress: ex vivo cortisol exposure induced anti-inflammatory state in adipose tissue slices of humpback whale
    28. August 2025
  • Sofie, Pierre, Audun H., Emily, Elizabeth, Fekadu et al.:
    Marma-detox Whales and polar bear in a petri dish: decoding marine mammal toxicology through in vitro and in silico approaches
    26. Januar 2024 DOI
  • Maria, Lise Doksæter, Martin, Audun H. :
    Sluttrapport for prosjekt: "Kartlegging og testing av metoder for å redusere interaksjoner mellom fiskeri og hval" - FHF 901681
    Havforskningsinstituttet 2024 ARKIV / FULLTEKST
  • Sofie Karin, Pierre, Audun Håvard, Emily, Elizabeth, Fekadu et al.:
    The Marma-detox project ( 2023-2027) “Whales and polar bear in a petri dish: decoding marine mammal toxicology through in vitro and in silico approaches
    2024
  • Juni, Pierre, Pål Marius, Roy Ambli, Anders, Giacomo et al.:
    Establishment of killer whale cell cultures and their transcriptome responses to pollutant exposure
    2022
  • Helena, Andrew, Chris, Oddbjørn, Cesc, Charles Patrick et al.:
    Blowing in the wind: testing a consumer drone for the collection of humpback whales’ blows during the Arctic polar nights
    2022
  • Audun H. :
    Winter whales
    Tofoto 2019
  • Audun H. :
    Vinterkval
    Tofoto 2019
  • John Fredrik, Eva Bonsak, Richard David, Audun H. :
    Correction: Revealing the full ocean migration of individual Atlantic salmon
    Animal Biotelemetry 2018 DOI

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    Publikasjoner utenom Cristin

    Scientific publications since 2000 (international per reviewed journal articles)

    1. Rikardsen, A.H. & Dempson (2010). Dietary life-support: The marine feeding of Atlantic salmon (Chapter 5). In: Salmon Ecology (Aas, Ø, Einum, S., Klemetsen, A., Skurldal. J. eds). Blackwell (in press).
    2. Thorstad, E.B, Whoriskey, F, Rikardsen, A.H. & Aarestrup, K. (2010). Aquatic nomads: the life and migrations of the Atlantic salmon (Chapter 1). In: Salmon Ecology (Aas, Ø, Einum, S., Klemetsen, A. eds). Blackwell (in press).
    3. Strand, J.E.T., Davidsen, J.G., Jørgensen, E. & Rikardsen, A.H. (2010). Descending Atlantic salmon smolts with low levels of gill Na+, K+ -ATPase activity; do they delay sea entry? Ecology of Freshwater Fishes (in press).
    4. Jensen, J.L.A., Halttunen, E., Thorstad, E.B., Næsje, T.F., Rikardsen, A.H. (2010). Does catch-and-release angling alter the migratory behavior of Atlantic salmon? Fisheries Research (in press).
    5. Davidsen, J.G., Rikardsen, A.H., Halttunen, E., Mitamura, H., Thorstad, E.B., Præbel, K., Skarðhamar, J. & Næsje, T.F (2010). Homing behaviour of Atlantic salmon during final phase of marine migration and river entry: Alta Fjord, a case study. Fisheries Management and Ecology (in press).
    6. Halttunen, E., Rikardsen, A.H., Thorstad, E.B., Næsje, T.F., Jensen, J.L.A. & Aas, Ø. (2010). Impact of catch-and-release practices on behaviour and mortality of Atlantic salmon (Salmo salar L.) kelts. Fisheries Research 105, 141-147.
    7. Cedar M. Chittenden, C.M., Biagi, C., Davidsen, J.G., Davidsen, A.G., Kondo, H., McKnight, A, Pedersen, O.P., Raven, P., Rikardsen, A.H., Shrimpton, J.M., Zuehlke, B., McKinley, R.S. & Devlin, R.H. (2010). Genetic Versus Rearing-environment Effects on Phenotype: Hatchery and Natural Rearing Effects on Hatchery- and Wild-born Coho Salmon. PLoS ONE  5(8): e12261. doi:10.1371/journal.pone.0012261
    8. Johansen, M, Thorstad, E.B., Rikardsen, A.H., Koksvik, J.I, Ugedal, O., Jensen, A.J, Saksgård, L. & T. F. Næsje. (2010). Does loss of ice cover during winter in a regulated arctic river effect drift of potential prey for juvenile Atlantic salmon? Hydrobiologia (in press)
    9. Davidsen, J.G., Rikardsen, A.H., Halttunen, E., Thorstad, E.B., Økland, F., Letcher, B.H., Skarðhamar, J. & Næsje, T.F. (2009). Migratory behaviour and survival rates of wild northern Atlantic salmon (Salmo salar) post-smolts: effects of environmental factors. Journal of Fish Biology 75, 1700-1718.
    10. Nils Arne Hvidsten, N.A., Jensen, A.J., Rikardsen, A.H., Finstad, B., Aure, J., Stefansson, S., Fiske, P, Johnsen, B.O. (2009). Influence of sea temperature and initial marine feeding on survival of Atlantic salmon post-smolts. Journal of Fish Biology 74, 1532-1548.
    11. Halttunen, E., Rikardsen, A.H., Davidsen, J.G., Thorstad, E.B. & Dempson, B.J. (2009). Survival, migration speed and swimming depth of Atlantic salmon kelts during sea entry and fjord migration. In Tagging and tracking of Marine Animals with Electronic Devices, Reviews: Methods and Technologies in Fish Biology and Fisheries 9 (Nielsen, J. L., Arrizabalaga, H., Fragoso, N., Hobday, A., Lutcavage, M. & Sibert, J., eds.), pp. 35-49. Dordrecht: Springer.
    12. Rikardsen, A.H., Hansen, L.P., Jensen, A., Vollen, T. & Finstad, B. (2008). Do Norwegian Atlantic salmon feed in the northern Barents Sea? - Tag recoveries from 70 - 78º N. Journal of Fish Biology 72, 1792-1798.
    13. Jensen J.L.A. & Rikardsen, A.H. (2008). Do northern riverine anadromous Arctic charr and sea trout overwinter in estuarine and marine waters? Journal of Fish Biology 73, 1810-1818
    14. Davidsen, J.G., Plantalech Manel-la, N., Økland, F., Diserud, O.H., Thorstad, E.B., Finstad, B., Sivertsgård, R., McKinley, S & A. H. Rikardsen. (2008). Changes in swimming depths of Atlantic salmon postsmolts in relation to light intensity. Journal of Fish Biology 73, 1065-1074.
    15. Rikardsen, A.H., Diserud, O., Elliott, J.M, Dempson, J.B., Sturlaugsson, J. & Jensen, A. (2007). The marine temperature and depth preferences of Arctic charr and sea trout, as recorded by data storage tags. Fisheries oceanography 16, 436-447.
    16. Rikardsen, A.H., Dempson, J.B., Amundsen, P.-A., Bjørn, P.A., Finstad, B. & Jensen, A.J. (2007). Temporal variability in marine feeding of sympatric Arctic charr and sea trout. Journal of Fish Biology 70, 837-847.
    17. Bjørn, P.A., Finstad, B., R. Kristoffersen, R. McKinley, S. & Rikardsen, A.H. (2007). Differences in risks and consequences of salmon lice, Lepeophtheirus salmonis (Krøyer) infection on sympatric populations of Atlantic salmon, sea trout and Arctic charr in northern fjords. ICES Journal of Marine Science 64, 386-393.
    18. Knudsen, R., Adolfsen, P., Sandring, S., Kristoffersen, R., Siikavoupio, S. &. Rikardsen, A.H. (2007). The suitability of anadromous Arctic charr as host and vector of the monogenean Gyrodactylus salaries. Ecology of Freshwater Fish 16, 99-104.
    19. Rikardsen, A.H. & Thorstad, E.B. (2006). External attachment of data storage tags increases probability of being recaptured in nets compared to internal tagging. Journal of Fish Biology 68, 963-968.
    20. Rikardsen, A.H., Amundsen, P-.A., Knudsen, R. & Sandring, S. (2006). Seasonal marine feeding and body condition of sea trout Salmo trutta (L.) at its northern distribution area. ICES Journal of Marine Science 63, 466-475.
    21. Rikardsen, A.H. & Sandring, S. (2006). Diet and size-selective feeding by escaped hatchery rainbow trout Oncorhynchus mykiss (Walbaum). ICES Journal of Marine Science 63, 460-465.
    22. Rikardsen, A.H. & Amundsen, P.A. (2005). Pelagic marine feeding behaviour of Arctic charr Salvelinus alpinus and sea trout Salmo trutta. Journal of Fish Biology 66, 1163-1166.
    23. Knudsen, R, Rikardsen, A.H., Dempson, J.B., Bjørn, P.A., Finstad, B., Amundsen, P.-A. & Holm, M. (2005). Intestinal trophic transmitted parasites as bio-indicators of prolonged fjord-feeding of Atlantic salmon (Salmo salar) post-smolts in Northern Norway. Journal of Fish Biology 66, 758-772.
    24. Rikardsen, A.H., Thorpe, J.E. & Dempson, B. (2004). Modelling the life-history variation of Arctic charr. Ecology of Freshwater Fish 13, 305-311
    25. Rikardsen, A.H., Haugland, M., Bjørn, P.A. Finstad, B., Knudsen, R., Dempson, J.B., Holm, M., Holst, J.C. & Hvidsten, N.A. (2004). Geographical differences in early marine feeding of Atlantic salmon post-smolt in Norwegian fjords. Journal of Fish Biology 64, 1655-1679.
    26. Rikardsen, A.H. (2004). Seasonal occurrence of sea lice Lepeophtheirus salmonis on sea trout in two north Norwegian fjords. Journal of Fish Biology 65, 711-722.
    27. Rikardsen, A.H. & Johansen, M. (2003). A morphometric method for estimation of total fat level in live Arctic charr: a case study of its application on wild fish. Journal of Fish Biology 62, 724-734.
    28. Rikardsen, A.H., Amundsen, P.-A. & Bodin, P.J. (2003). Growth and diet of anadromous Arctic charr after their return to freshwater. Ecology of Freshwater Fish 12, 74-80
    29. Rikardsen, A.H., Woodgate, M. & Thomson, D. (2002). A comparison of Floy and soft VIalpha tags on hatchery Arctic charr, with emphasis on tag retention, growth and mortality. Environmental Biology of Fishes 64, 269-273.
    30. Rikardsen, A.H., Amundsen, P.-A. & Bodin, P.J. (2002). Foraging behaviour changes of Arctic charr during smolt migration in northern Norway. Journal of Fish Biology 60, 489-491.
    31. Rikardsen, A.H. (2000). Effects of Floy and soft VIalpha tags on growth and survival of juvenile Arctic char. North American Journal of Fisheries Management 20, 719-728.
    32. Rikardsen, A.H., Amundsen, P.-A., Bjørn, P.A. & Johansen, M. (2000). Comparison of growth, diet and food consumption of sea‑run and lake‑dwelling Arctic charr. Journal of Fish Biology 57, 1172-1188.
    33. Rikardsen, A.H., & Elliott, J.M. (2000). Variations in juvenile growth, energy allocation and life-history strategies of two populations of Arctic charr in North Norway. Journal of Fish Biology 56, 328-346.
    34. Rikardsen, A.H., Svenning, M.-A. & Klemetsen, A. (1997). The relationships between anadromy, sex ratio and parr growth of Arctic charr in a lake in North Norway. Journal of Fish Biology 51, 447-461.

     

    Research interests

    Populasjons økologi, livshistoriestrategier, fersk- og saltvannsøkologi til laksefisk, parasittologi, interaksjoner, fiskemerking- og fangstteknikker, telemetri (elektronisk sporing), egnethetsanalyser for oppdrettsanlegg, vassdrag- og kystsoneforvaltning, EU's vanndirektiv, biologisk mangfold, konsekvensanalyser og prøvefiske

    Scientific interests: Freshwater and marine ecology of anadromous salmonids, population ecology, life-history strategies, parasitology, fish-marking and trapping techniques, telemetry, suitability analysis for locations of fish farms, costal zone and watercourse management, consequence analysis and freshwater fish surveys.


    Member of research group

    Research Group for Genetics   English content

    Member of project

    Whale research at UiT    English content
    Norges fiskerihøgskole C221


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