Foto: Tor H. Evensen
Audun Rikardsen
Emma Frances Vogel,
Audun H. Rikardsen,
Marie-Anne Blanchet,
Pierre Blévin,
Martin Biuw
:
Norwegian killer whale movements reflect their different prey types
Ingvild Ytterhus Utengen,
Emma Frances Vogel,
Martin Biuw,
Meghan Van Ruiten,
Audun Håvard Rikardsen
:
Characterizing humpback whale behavior along the North-Norwegian coast
Animal Biotelemetry 2024 DOI
Anaïs Remili,
Rune Dietz,
Christian Sonne,
Filipa I. P. Samarra,
Audun H. Rikardsen,
Lisa Elena Kettemer
m.fl.:
Quantitative fatty acid signature analysis reveals a high level of dietary specialization in killer whales across the North Atlantic
J. Bjørneset,
P. Blévin,
P.M. Bjørnstad,
R.A. Dalmo,
A. Goksøyr,
M. Harju
m.fl.:
Establishment of killer whale (Orcinus orca) primary fibroblast cell cultures and their transcriptomic responses to pollutant exposure
John Fredrik Strøm,
Ola Ugedal,
Audun H. Rikardsen,
Eva Bonsak Thorstad
:
Marine food consumption by adult Atlantic salmon and energetic impacts of increased ocean temperatures caused by climate change
Julius Nielsen,
Daniel Estévez-Barcia,
Søren Post,
Helle Torp Christensen,
Anja Retzel,
Lorenz Meire
m.fl.:
Validation of pop-up satellite archival tags (PSATs) on Atlantic cod (Gadus morhua) in a Greenland fjord
Emma Vogel,
Stine Skalmerud,
Martin Biuw,
Marie-Anne Blanchet,
Lars Kleivane,
Georg Skaret
m.fl.:
Foraging movements of humpback whales relate to the lateral and vertical distribution of capelin in the Barents Sea
Lisa Elena Kettemer,
Theresia Ramm,
Fredrik Björn Broms,
Martin Biuw,
Marie-Anne Blanchet,
Sophie Bourgeon
m.fl.:
Don't mind if I do: Arctic humpback whales respond to winter foraging opportunities before migration
Anaïs Remili,
Rune Dietz,
Christian Sonne,
Filipa I P Samarra,
Robert J. Letcher,
Audun H. Rikardsen
m.fl.:
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 Andvik,
Pierre Bories,
Mikael Harju,
Katrine Borgå,
Eve Jourdain,
Richard Karoliussen
m.fl.:
Phthalate contamination in marine mammals off the Norwegian coast
Richard David Hedger,
Mari Kjellman,
Eva Bonsak Thorstad,
John Fredrik Strøm,
Audun H. Rikardsen
:
Diving and feeding of adult Atlantic salmon when migrating through the coastal zone in Norway
Anna Lippold,
Mikael Harju,
Jon Aars,
Pierre Blévin,
Jenny Bytingsvik,
Geir W. Gabrielsen
m.fl.:
Occurrence of emerging brominated flame retardants and organophosphate esters in marine wildlife from the Norwegian Arctic
Ronan James O'Sullivan,
Mikhail Ozerov,
Geir Hysing Bolstad,
John Gilbey,
Jan Arge Jacobsen,
Jaakko Erkinaro
m.fl.:
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
Lisa Elena Kettemer,
Audun Rikardsen,
Martin Biuw,
Fredrik Björn Broms,
Evert Mul,
Marie-Anne Blanchet
:
Round-trip migration and energy budget of a breeding female humpback whale in the Northeast Atlantic
Helena Sofia Gomes Costa,
Andrew Rogan,
Christopher Zadra,
Oddbjørn Larsen,
Audun H. Rikardsen,
Courtney Alice Waugh
:
Blowing in the Wind: Using a Consumer Drone for the Collection of Humpback Whale (Megaptera novaeangliae) Blow Samples during the Arctic Polar Nights
Benjamin J. Atencio,
Eva Bonsak Thorstad,
Audun H. Rikardsen,
Jenny Lovisa Alexandra Jensen
:
Keeping close to the river, shore and surface: the first marine migration of brown trout (Salmo trutta) and Arctic charr (Salvelinus alpinus) post-smolts
Pierre Bories,
Audun H. Rikardsen,
Pim Leonards,
Aaron T. Fisk,
Sabrina Tartu,
Emma Vogel
m.fl.:
A deep dive into fat: Investigating blubber lipidomic fingerprint of killer whales and humpback whales in northern Norway
Audun H. Rikardsen,
David Righton,
John Fredrik Strøm,
Eva Bonsak Thorstad,
Patrick G. Gargan,
Timothy F. Sheehan
m.fl.:
Redefining the oceanic distribution of Atlantic salmon
Ana Sofia Aniceto,
Luca Tassara,
Audun Rikardsen,
Pierre Blévin
:
Mass strandings of seven toothed and baleen whale species in Northern Norway in March 2020 call for further investigation
Emma Vogel,
Martin Biuw,
Marie-Anne Blanchet,
Ian D. Jonsen,
Evert Mul,
Espen Johnsen
m.fl.:
Killer whale movements on the Norwegian shelf are associated with herring density
Marine Ecology Progress Series 2021 DOI
Charmain Danielle Hamilton,
Christian Lydersen,
Jon Aars,
Martin Biuw,
Andrei Boltunov,
Erik W. Born
m.fl.:
Marine mammal hotspots in the Greenland and Barents Seas
Rune Dietz,
Audun H. Rikardsen,
Martin Biuw,
Lars Kleivane,
Christina Lehmkuhl Noer,
Dominique Stalder
m.fl.:
Migratory and diurnal activity of North Atlantic killer whales (Orcinus orca) off northern Norway
Journal of Experimental Marine Biology and Ecology 2020 DOI
Evert Mul,
Marie-Anne Blanchet,
Brett McClintock,
James Grecian,
Martin Biuw,
Audun H. Rikardsen
:
Killer whales are attracted to herring fishing vessels
John Fredrik Strøm,
Audun H. Rikardsen,
Steven E. Campana,
David Righton,
Jonathan Carr,
Kim Aarestrup
m.fl.:
Ocean predation and mortality of adult Atlantic salmon
Evert Mul,
Marie-Anne Blanchet,
Martin Biuw,
Audun H. Rikardsen
:
Implications of tag positioning and performance on the analysis of cetacean movement
Michael B. Courtney,
Mark D. Evans,
John Fredrik Strøm,
Audun H. Rikardsen,
Andrew C. Seitz
:
Behavior and thermal environment of Chinook salmon Oncorhynchus tshawytscha in the North Pacific Ocean, elucidated from pop-up satellite archival tags
John Fredrik Strøm,
Eva Bonsak Thorstad,
Audun Rikardsen
:
Thermal habitat of adult Atlantic salmon Salmo salar in a warming ocean
Michael B. Courtney,
Brendan S. Scanlon,
Randy J Brown,
Audun H. Rikardsen,
Colin P Gallagher,
Andrew C. Seitz
:
Offshore ocean dispersal of adult Dolly Varden Salvelinus malma in the Beaufort Sea
Polar Biology 2018 DOI
Arne Johan Jensen,
Bengt Finstad,
Peder Fiske,
Torbjørn Forseth,
Audun H. Rikardsen,
Ola Ugedal
:
Relationship between marine growth and sea survival of two
anadromous salmonid fish species
Eva Marita Ulvan,
Anders Foldvik,
Arne Johan Jensen,
Bengt Finstad,
Eva Bonsak Thorstad,
Audun H. Rikardsen
m.fl.:
Return migration of adult Atlantic salmon (Salmo salar L.) to northern Norway
John Fredrik Strøm,
Eva Bonsak Thorstad,
Richard David Hedger,
Audun H. Rikardsen
:
Revealing the full ocean migration of individual Atlantic salmon
Richard David Hedger,
Audun H. Rikardsen,
Eva Bonsak Thorstad
:
Pop-up satellite archival tag effects on the diving behaviour, growth and survival of adult Atlantic salmon Salmo salar at sea
Journal of Fish Biology 2017 DOI
Sindre Håvarstein Eldøy,
Jan Grimsrud Davidsen,
Eva Bonsak Thorstad,
Frederick G. Whoriskey,
Kim Aarestrup,
Tor Næsje
m.fl.:
Marine depth use of sea trout Salmo trutta in fjord areas of central Norway
Torbjørn Forseth,
Bjørn Torgeir Barlaup,
Bengt Finstad,
Peder Fiske,
Harald Gjøsæter,
Morten Falkegård
m.fl.:
The major threats to Atlantic salmon in Norway
John Fredrik Strøm,
Eva Bonsak Thorstad,
Graham Chafe,
Sigrunn Holbek Sørbye,
David Righton,
Audun H. Rikardsen
m.fl.:
Ocean migration of pop-up satellite archival tagged Atlantic salmon from the Miramichi River in Canada
Richard David Hedger,
Audun H. Rikardsen,
John Fredrik Strøm,
David A. Righton,
Eva Bonsak Thorstad,
Tor Næsje
:
Diving behaviour of Atlantic salmon at sea: effects of light regimes and temperature stratification
Keno Ferter,
Audun H. Rikardsen,
Tor Hatten Evensen,
Martin Svenning,
Sean R. Tracey
:
Survival of Atlantic halibut (Hippoglossus hippoglossus) following catch-and-release angling
Fisheries Research 2017 DOI
Anne Cathrine Flaten,
Jan Grimsrud Davidsen,
Eva Bonsak Thorstad,
Frederick G. Whoriskey,
Lars Rønning,
Aslak Darre Sjursen
m.fl.:
The first months at sea: marine migration and habitat use of sea trout Salmo trutta post-smolts
Michael B. Courtney,
Brendan S. Scanlon,
Audun H. Rikardsen,
Andrew C. Seitz
:
Utility of Pop-Up Satellite Archival Tags to Study the Summer Dispersal and Habitat Occupancy of Dolly Varden in Arctic Alaska
Arctic 2016 DOI
J. L. A. Jensen,
G. N. Christensen,
K. H. Hawley,
C. M. Rosten,
A. H. Rikardsen
:
Arctic charr exploit restricted urbanized coastal areas during marine migration: Could they be in harm’s way?
Hydrobiologia 2016 DOI
Sofie Karin Søderstrøm,
Pierre Blévin,
Audun Håvard Rikardsen,
Emily Lam,
Elizabeth Piotrowski,
Fekadu Yadetie
m.fl.:
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
Maria Tenningen,
Lise Doksæter Sivle,
Martin Biuw,
Audun H. Rikardsen
:
Sluttrapport for prosjekt: "Kartlegging og testing av metoder for å redusere interaksjoner mellom fiskeri og hval" - FHF 901681
Helena Costa,
Andrew Rogan,
Chris Zadra,
Oddbjørn Larsen,
Cesc Gordó-Vilaseca,
Charles Patrick Lavin
m.fl.:
Blowing in the wind: testing a consumer drone for the collection of humpback whales’ blows during the Arctic polar nights
2022
Juni Bjørneset,
Pierre Blévin,
Pål Marius Bjørnstad,
Roy Ambli Dalmo,
Anders Goksøyr,
Giacomo Limonta
m.fl.:
Establishment of killer whale cell cultures and their transcriptome responses to pollutant exposure
2022
Ana Sofia Aniceto,
Luca Tassara,
Audun H. Rikardsen,
Pierre Blévin
:
Mass standings of seven toothed and baleen whale species in Northern Norway in March 2020 call for further investigation
Polar Biology 2021 DOI
Audun H. Rikardsen
:
Winter whales
2019
Audun H. Rikardsen
:
Vinterkval
2019
John Fredrik Strøm,
Eva Bonsak Thorstad,
Richard David Hedger,
Audun H. Rikardsen
:
Correction: Revealing the full ocean migration of individual Atlantic salmon
Animal Biotelemetry 2018 DOI
Richard David Hedger,
Audun H. Rikardsen,
John Fredrik Strøm,
David Righton,
Eva Bonsak Thorstad,
Tor Næsje
:
Diving behaviour of Atlantic salmon in the Norwegian and Barents Seas
2017
Andre Vaaler,
Oscar Jansen,
Audun H. Rikardsen
:
Strandkrabba
Portal forlag 2017
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Publikasjoner utenom Cristin
Scientific publications since 2000 (international per reviewed journal articles)
- 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).
- 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).
- 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).
- 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).
- 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).
- 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.
- 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
- 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)
- 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.
- 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.
- 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.
- 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.
- 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
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Rikardsen, A.H., Thorpe, J.E. & Dempson, B. (2004). Modelling the life-history variation of Arctic charr. Ecology of Freshwater Fish 13, 305-311
- 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.
- 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.
- 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.
- 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
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
Forskningsinteresser
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.