1. Enheten
  2. Ansatte
  3. Audun Rikardsen
Bilde av Rikardsen, Audun
Foto: Tor H. Evensen
Bilde av Rikardsen, Audun
Institutt for arktisk og marin biologi audun.rikardsen@uit.no +4777644475 92443354 Her finner du meg

Audun Rikardsen

Professor

Error rendering component

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.

 

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.


Medlem i forskningsgruppe

Genetics   Norsk innhold

Medlem i prosjekt

Whale research at UiT    English content