Publikasjonsliste for Finn Økland
2009
*Davidsen, J.G., Rikardsen, Audun H., Halttunen, E., Thorstad, E.B., Økland, F., Letcher, B.-H., Skardhamar, J. & Næsje, Tor 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.
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*Kerwath, S.E., Thorstad, E.B., Næsje, Tor F., Cowley, P.D., Økland, F., Wilke, C. & Attwood, C.G. 2009. Crossing invisible boundaries: the effectiveness of the langebaan lagoon marine protected area asa harvest refuge for a migratory fish species in South Africa. - Conservation Biology 23(3): 653-661.
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*Plantalech Manel-La, N., Thorstad, E.B., Davidsen, J.G., Økland, F., Sivertsgård, R., McKinley, R.S. & Finstad, B. 2009. Vertical movements of Atlantic salmon postsmolts relative to measures of salinity and watertemperature during the first phase of the marine migration. - Fisheries Management and Ecology 16: 147-154.
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*Sundt-Hansen, Line., Neregård, L., Einum, S., Höjesjö, J., Bjørnsson, B.T., Hindar, K., Økland, F. & Johnsson, J.I. 2009. Growth enhanced brown trout show increased movement activity in the wild. - Functional Ecology 23: 551-558.
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*Thorstad, E.B., Kerwath, S.E., Attwood, C.G., Økland, F., Wilke, C.G., Cowley, P.D. & Næsje, Tor F. 2009. Long-term effects of two sizes of surgically implanted acoustic transmitters on a predatory marine fish(
Pomatomus saltatrix). - Marine and Freshwater Research 60: 183-186.
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Thorstad, E.B., Uglem, I., Finstad, B., Chittenden, C.M., Nilsen, R., Økland, F. & Bjørn, P.A. 2009. Are we following a tagged fish – or the predator that has eaten it?. Poster presented at The Eight Conference on Fish Telemetry held in Europe, Umeå, Sweden, 14-18 September 2009.
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Thorstad, E.B., Uglem, I., Finstad, B., Chittenden, C.M., Nilsen, R., Økland, F. & Bjørn, P.A. 2009. Migration and survival of hatchery-reared Atlantic salmon smolts in a river and a fjord. Poster presented at The Eight Conference on Fish Telemetry held in Europe, Umeå, Sweden, 14-18 September 2009.
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*Uglem, I., Dempster, T., Bjørn, P.A., Sanchez-Jerez, P. & Økland, F. 2009. High connectivity of salmon farms revealed by aggregation, residence and repeated movements of wild fish among farms. - Marine Ecology Progress Series 384: 251-260.
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*Aarestrup, K., Økland, F., Hansen, M.M., Righton, D., Gargan, P., Castonguay, M., Bernatchez, L., Howey, P., Sparholt, H., Pedersen, M.F. & McKinley, R.S. 2009. Oceanic Spawning Migration of the European Eel (Anguilla anguilla). - Science 325(5948): 1660-1660.
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2008
*Childs, A.-R., Booth, A.J., Cowley, P.D., Potts, W.M., Næsje, T.F., Thorstad, E.B. & Økland, F. 2008. Home range of an estuarine-dependent fish species
Pomadasys commersonnii in a South African estuary. - Fisheries Management and Ecology 15: 441-448.
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*Childs, A.-R., Cowley, P.D., Næsje, T.F., Booth, A.J., Thorstad, E.B. & Økland, F. 2008. Estuarine use by spotted grunter
Pomadasys commersonnii in a South African estuary, as determined by acoustic telemetry. - African Journal of Marine Science 30(2): 123-132.
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*Childs, A.-R., Cowley, P.D., Næsje, Tor F., Booth, A.J., Potts, W.M., Thorstad, E.B. & Økland, F. 2008. Do environmental factors influence the movement of estuarine fish? A case study using acoustic telemetry. - Estuarine, Coastal and Shelf Science 78(1): 227-236.
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*Chittenden, C.M., Sura, S., Butterworth, K., Cubitt, F., Plantalech Manel-La, N., Balfry, S., Økland, F. & McKinley, R.S. 2008. Riverine, estuarine and marine migratory behaviour and physiology of wild and hatchery-reared coho salmon Oncorhynchus kisutch (Walbaum) smolts descending the Campbell River, BC, Canada. - Journal of Fish Biology 72(3): 614-628.
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*Cowley, P.D., Kerwath, S.E., Childs, A.-R., Thorstad, E.B., Økland, F. & Næsje, T.F. 2008. Estuarine habitat use by juvenile dusky kob
Argyrosomus japonicus (Sciaenidae), with implications for management. - African Journal of Marine Science 30(2): 247-253.
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*Davidsen, J.G., Plantalech Manel-La, N., Økland, F., Diserud, O.H., Thorstad, E.B., Finstad, B., Sivertsgård, R., McKinley, R.S. & Rikardsen, Audun H. 2008. Changes in swimming depths of Atlantic salmon
Salmo salar post-smolts relative to light intensity. - Journal of Fish Biology 73: 1065-1074.
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*Thorstad, E.B., Økland, F., Aarestrup, K. & Heggberget, T.G. 2008. Factors affecting the within-river spawning migration of Atlantic salmon, with emphasis on human impacts. - Reviews in Fish Biology and Fisheries 18: 345-371.
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Thorstad, E.B., Økland, F., Aasestad, I., Diserud, O.H. & Forseth, T. 2008.
Oppvandring av laks i Numedalslågen. Påvirker vannføring og andre miljøfaktorer passering av naturlige oppvandringshindre?. - NINA Rapport 360. 46 pp. Norsk institutt for naturforskning (NINA), Trondheim.
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*Uglem, I., Bjørn, P.A., Dale, T., Kerwath, S., Økland, F., Nilsen, R., Aas, K., Fleming, I. & McKinley, R.S. 2008. Movements and spatiotemporal distribution of escaped farmed and local wild Atlantic cod (
Gadus morhua L.). - Aquaculture Research 39(2): 158-170.
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*Aarestrup, K., Thorstad, E.B., Koed, A., Jepsen, N., Svensen, J.C., Pedersen, M.I., Skov, C. & Økland, F. 2008. Survival and behaviour of European silver eel in late freshwater and early marine phase duringspring migration. - Fisheries Management and Ecology 15: 435-440.
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2007
*Attwood, C.G., Cowley, P.D., Kerwath, S.E., Næsje, T.F., Økland, F. & Thorstad, E.B. 2007. First tracking of white stumpnose
Rhabdosargus globiceps (Sparidae) in a South African marine protected area. - African Journal of Aquatic Science 29(1): 147-151.
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Bjørn, P.A., Uglem, I., Dale, T., Hansen, L., Økland, F. & Damsgård, B. 2007. Hvorfor, hvordan og hvor rømmer oppdrettstorsk?. - p. 175-177 in Dahl, E. (ed.) Kyst og Havbruk 2007. Fisken og Havet Særnr. 2-2007. Havforskningsinstituttet, Bergen.
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Childs, A.-R., Cowley, P.D., Næsje, T.F., Booth, A.J., Potts, W.M., Thorstad, E.B. & Økland, F. 2007. Factors influencing residency of spotted grunter
Pomadasys commersonnii in the Great Fish Estuary, South Africa. Poster. The Seventh Conference on Fish Telemetry held in Europe, Silkeborg, Denmark, 17-21 June 2007.
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*Heggenes, J., Omholt, P.K., Kristiansen, J.R., Sageie, J., Økland, F., Dokk, J.G. & Beere, M.C. 2007. Movements by wild brown trout in a boreal river : response to habitat and flow contrasts. - Fisheries Management and Ecology 14: 333-342.
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*Höjesjö, J., Økland, F., Sundström, L.F., Pettersson, J. & Johnsson, J.I. 2007. Movement and home range in relation to dominance ; a telemetry study on brown trout
Salmo trutta. - Journal of Fish Biology 70: 257-268.
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Mitamura, H., Thorstad, E.B., Uglem, I., Bjørn, P.A., Økland, F., Næsje, T.F., Dempster, T. & Nobuaki, A. 2007.
Movements of female lumpsucker Cyclopterus lumpus in a Norwegian fjord during the spawning period.. - NINA Rapport 288. 20 pp. Norsk institutt for naturforskning (NINA), Trondheim.
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Mitamura, H., Uglem, I., Thorstad, E.B., Bjørn, P.A., Næsje, T.F., Økland, F., Dempster, T. & Arai, N. 2007. Movements of acoustically tagged lumpsucker
Cyclopterus lumpus during the spawning period. Poster. The Seventh Conference on Fish Telemetry held in Europe, Silkeborg, Denmark, 17-21 June 2007. 1 pp.
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*Næsje, Tor F., Childs, A.-R., Cowley, P.D., Potts, W.M., Thorstad, E.B. & Økland, F. 2007. Movements of undersized spotted grunter (
Pomadasys commersonnii) in the Great Fish Estuary, South Africa: implications for fisheries management. - Hydrobiologia 582: 25-34.
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*Sivertsgård, R., Thorstad, E.B., Økland, F., Finstad, B., Bjørn, P.A., Jepsen, N., Nordal, T. & McKinley, R.S. 2007. Effects of salmon lice infection and salmon lice protection on fjord migrating Atlantic salmon and brown trout post-smolts. - Hydrobiologia 582: 35-42.
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Thorstad, E.B., Clinton, J.H., Økland, F., Nickandor, N. & Næsje, T.F. 2007.
Spatial behaviour and management of greenhead tilapia (Oreochromis macrochir) in the Zambezi River, Namibia.. - NINA Rapport 287. 26 pp. Norsk institutt for naturforskning (NINA), Tromsø.
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Thorstad, E.B., Næsje, T.F., Hay, C.J., Nickanor, N. & Økland, F. 2007.
Greenhead tilapia and fisheries management in the Upper Zambezi River in Namibia. Poster. 7th Conference on Fish Telemetry held in Europe. Silkeborg, Denmark, 17-21 June 2007. - Norwegian institute for nature research (NINA), Trondheim; Ministry of Fisheries and Marine Resources, Namibia.
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Thorstad, E.B., Uglem, I., Økland, F., Finstad, B., Sivertsgård, R. & Jensen, A.J. 2007.
Påvirker vannføringen i Eira fjordvandringen av postsmolt laks?. Telemetriundersøkelser i 2002, 2004 og 2006. - NINA Rapport 253. 40 pp.
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*Thorstad, E.B., Økland, F., Finstad, B., Sivertsgård, R., Plantalech, N., Bjørn, P.A. & McKinley, R.S. 2007. Fjord migration and survival of wild and hatchery-reared Atlantic salmon and wild brown trout post-smolts. - Hydrobiologia 582: 99-107.
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*Økland, F., Hay, C.J., Næsje, Tor F., Chanda, B. & Thorstad, E.B. 2007. Movements of, and habitat utilisation by, threespot tilapia
Oreochromis andersonii (Teleostei: Cichlidae) in the Upper Zambezi River, Namibia. - African Journal of Aquatic Science 32(1): 35-38.
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2006
Cowley, P.D., Kerwath, S., Næsje, T.F., Childs, A.-R., Gillespie, L.D., Leggitt, C., Thorstad, E.B. & Økland, F. 2006. Space use patterns and movements of juvenile dusky kob
Argyrosomus japonicusin the Great Fish Estuary (South Africa): implications for management. - NINA Rapport 119. 32 pp.
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Næsje, T.F., Hay, C.J., Thorstad, E.B., Økland, F., Chanda, B. & Nickanor, N. 2006.
Management of African riverine fish species in Namibia.
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*Økland, F., Thorstad, E.B., Finstad, B., Sivertsgård, R., Plantalech, N., Jepsen, N. & McKinley, R.S. 2006. Swimming speeds and orientation of wild Atlantic salmon post-smolts during the first stage of the marine migration. - Fisheries Management and Ecology 13: 271-274.
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2005
Childs, A.-R., Cowley, P.D., Næsje, T.F., Thorstad, E.B. & Økland, F. 2005. Home range parameters of
Pomadasys commersonnii (Haemulidae) in a dynamic estuarine environment. Oral presentation. 6th Conference on Fish Telemetry held in Europe, Sesimbra, Portugal, 5-11 June 2005.
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Finstad, A.G., Wibe, H., Berg, O.K., Økland, F. & Thorstad, E.B. 2005. Behavioural consequences of niche-shifts to cannibalism in Arctic char. Oral presentation. 6th Conference on Fish Telemetry held in Europe, Sesimbra, Portugal, 5-11 June 2005.
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Finstad, A.G., Økland, F., Thorstad, E.B. & Heggberget, T.G. 2005. Comparing upriver spawning migration of Atlantic salmon
Salmo salar and sea trout
Salmo trutta. - Journal of Fish Biology 67: 919-930.
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Finstad, B., Økland, F., Thorstad, E.B., Bjørn, P.A. & McKinley, R.S. 2005. Migration of hatchery-reared Atlantic salmon and wild anadromous brown trout post-smolts in a Norwegian fjord system. - Journal of Fish Biology 66: 86-96.
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Finstad, B., Økland, F., Thorstad, E.B., Diserud, O.H., Bjørn, P.A., Sivertsgård, R., Kristoffersen, R. & McKinley, R.S. 2005.
6. I smoltens kjølevann. - p. 49-53 in Svenning, M.-A. & Jonsson, B. (eds.)
Kystøkologi : økosystemprosesser og menneskelig aktivitet. NINAs strategiske instituttprogrammer 2001-2005. NINA Temahefte 31.
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Kerwath, S.E., Attwood, C.G., Cowley, P.D., Næsje, T.F., Thorstad, E.B. & Økland, F. 2005. Movements of Rhabdosargus globiceps (Sparidae) in South Africa’s West coast national park in relation to protected area boundaries: a preliminary investigation. Poster. 6th Conference on Fish Telemetry held in Europe, Sesimbra, Portugal, 5-11 June 2005.
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Midttun, L., Tranmæl, E., Heggenes, J., Thorstad, E.B. & Økland, F. 2005. Brown trout movement in a regulated river: variable home ranges and variable flow. Oral presentation. 6th Conference on Fish Telemetry held in Europe, Sesimbra, Portugal, 5-11 June 2005.
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Næsje, T.F., Childs, A.-R., Cowley, P.D., Thorstad, E.B., Økland, F., Weerts, S. & Buthelezi, P. 2005. Movements and area use by small spotted grunter
Pomadasys commersonnii in the Great Fish Estuary (South Africa): implication for management. - NINA Rapport 55. 46 pp.
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Næsje, T.F., Cowley, P.D., Childs, A.-R., Potts, W.M., Thorstad, E.B. & Økland, F. 2005. Area use of fish and fisherfolk in a South African estuary: important knowledge for management fisheries. Oral presentation. 6th Conference on Fish Telemetry held in Europe, Sesimbra, Portugal, 5-11 June 2005.
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Næsje, T.F., Hay, C.J., Thorstad, E.B., Økland, F., Chanda, B. & Nickanor, N. 2005. Consequences of different movement patterns and habitat use for management of African riverine fish species. Poster. 6th Conference on Fish Telemetry held in Europe, Sesimbra, Portugal, 5-11 June 2005.
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Plantalech, N., Økland, F., Thorstad, E.B., Finstad, B., Fiske, P., Sivertsgård, R., Bjørn, P.A. & McKinley, R.S. 2005. Survival and swimming performance related to morphology of Atlantic salmon (
Salmo salar) post-smolts migrating through a Norwegian fjord. Oral presentation. 6th Conference on Fish Telemetry held in Europe, Sesimbra, Portugal, 5-11 June 2005.
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Plantalech, N., Økland, F., Thorstad, E.B., Finstad, B., Sivertsgård, R., Fiske, P., Diserud, O.H., Bjørn, P.A. & McKinley, R.S. 2005. Mapping migration routes, swimming depths and rate of progression of Atlantic salmon post-smolts through a fjord system in Norway. Poster presented at AquaNet V. October 18-21, 2005 Hotel Grand Pacific Victoria, BC, Canada.
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Thorstad, E.B., Finstad, B., Økland, F., Bjørn, P.A., Sivertsgård, R. & McKinley, R.S. 2005. Is it possible for the aquaculture industry and wild fish interests to coexist? An overview from telemetry and salmon lice studies in Norway. Oral presentation. 6th Conference on Fish Telemetry held in Europe, Sesimbra, Portugal, 5-11 June 2005.
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Thorstad, E.B., Finstad, B., Økland, F., Sivertsgård, R., Bjørn, P.A. & McKinley, R.S. 2005. Migration, sea lice infestation and survival of Atlantic salmon and sea trout post-smolts in a Norwegian fjord system. Oral presentation. Nordic Workshop for PhD students on Anadromous Salmonid Research NoWPAS, Agdenes, Norway, 7-9 April 2005.
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*Thorstad, E.B., Fiske, P., Aarestrup, K., Hvidsten, N.A., Hårsaker, K., Heggberget, T.G. & Økland, F. 2005. Upstream migration of Atlantic salmon in three regulated rivers. - p. 111-121 in Spedicato, M.T., Lembo, G. & Marmulla, G. (eds.) Aquatic telemetry: advances and applications. Proceedings of the Fifth Conference on Fish Telemetry held in Europe, Ustica, Italy, 9-13 June 2003. FAO - COISPA, Rome.
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Thorstad, E.B., Forseth, T., Aasestad, I., Økland, F. & Johnsen, B.O. 2005. In situ avoidance response of adult Atlantic salmon to waste from the wood pulp industry. - Water, Air and Soil Pollution 165: 187-194.
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Thorstad, E.B., Hay, C.J., Næsje, T.F., Chanda, B. & Økland, F. 2005. Movements and habitat utilization of nembwe, Serranochromis robustus (Günther, 1864), in the Upper Zambezi River. - African Zoology 40(2): 253-259.
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Thorstad, E.B., Næsje, T.F., Leinan, I., Hay, C.J., Finstad, B., Fiske, P. & Økland, F. 2005. Effects of catch-and-release angling of Atlantic salmon in the River Alta (70 °N) and cichlids in the River Zambezi (18 °S). Oral presentation. American Fisheries Society 135th Annual meeting, Anchorage, Alaska, September 11-15, 2005.
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Thorstad, E.B., Næsje, T.F., Leinan, I., Hay, C.J., Leinan, T., Arnesen, S.O., Finstad, B., Fiske, P. & Økland, F. 2005. Effects of catch-and-release angling at 70 ºN and 18 ºS. Oral presentation. 4th World Recreational Fishing Conference, Trondheim, Norway, 12-16 June 2005.
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Thorstad, E.B., Økland, F., Finstad, B., Bjørn, P.A., Sivertsgård, R. & McKinley, R.S. 2005. Fjord migration of wild and hatchery-reared Atlantic salmon and brown trout post-smolts and the risk of sea lice infestation. Oral presentation. American Fisheries Society 135th Annual meeting, Anchorage, Alaska, September 11-15, 2005.
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Uglem, I., Økland, F., Forseth, T., Diserud, O.H., Fiske, P., Thorstad, E.B., Hvidsten, N.A. & Berger, H.M. 2005.
Smoltutvandring forbi Laudal kraftverk i Mandalselva. - NINA Rapport 13. 31 pp.
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Uglem, I., Økland, F., Forseth, T., Diserud, O.H., Hvidsten, N.A., Thorstad, E.B. & Berger, H.M. 2005. Manipulation of migration route of Atlantic salmon smolts to reduce mortality in hydropower turbines. Oral presentation. 6th Conference on Fish Telemetry held in Europe, Sesimbra, Portugal, 5-11 June 2005.
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Økland, F., Thorstad, E.B., Diserud, O.H., Plantalech, N., Sivertsgård, R., Jepsen, N., Bjørn, P.A., Finstad, B., Butterworth, K., Cubitt, F. & McKinley, R.S. 2005. Migratory speed and route of Atlantic salmon smolts through fjords - modelling sea lice infestation. Oral presentation. 6th Conference on Fish Telemetry held in Europe, Sesimbra, Portugal, 5-11 June 2005.
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Økland, F., Thorstad, E.B., Hay, C.J., Næsje, T.F. & Chanda, B. 2005. Patterns of movement and habitat use by tigerfish (
Hydrocynus vittatus) in the Upper Zambezi River (Namibia). - Ecology of Freshwater Fish 14: 79-86.
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2004
Berland, G., Nickelsen, T., Heggenes, J., Økland, F., Thorstad, E.B. & Halleraker, J. 2004. Movements of wild Atlantic salmon parr in relation to peaking flows below a hydropower station. - River Research and Applications 20(8): 957-966. Wiley, Chichester.
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Finstad, A.G., Wibe, H., Berg, O.K., Økland, F. & Thorstad, E.B. 2004. Arctic charr, Salvelinus alpinus, predator and prey size dependency. - Behaviour and ecology of freshwater fish: Linking ecology and individual behaviour. International Conference 22-26 August 2004, Freshwater Centre, Silkeborg, Denmark.
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Finstad, B., McKinley, R.S., Bjørn, P.A., Økland, F., Thorstad, E.B., Sivertsgård, R. & Nordal, T. 2004. The salmon lice case: The need for local models in integrated coastal zone management. Abstract to Aquaculture 2004, Hawaii Convention Center, Honolulu, Hawaii, USA , 1-5 March 2004.
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Finstad, B., Økland, F., Boxaspen, K., Skaala, Ø., Skilbrei, O., Asplin, L., Aure, J., Bjørn, P.A., Butterworth, K., McKinley, R.S., Olsen, R.S., Haldorsen, R., Ritchie, R., Heuch, P.A. & Kvenseth, P.G. 2004. The Hardangerfjord salmon lice project in Norway. Poster to AquaNet VI conference, Fairmont Le Chateu Frontenac, Québec City, Canada, 19-22 October 2004.
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Finstad, B., Økland, F., Henden, G.O., Holst, J.C., Hvidsten, N.A., Stefansson, S.O. & Åtland, Å. 2004. Gjenfangster av laks satt ut som merket smolt i årene 2000-2003. - p. 57-65 in Barlaup, B.T. (ed.) Vossolaksen – bestandsutvikling, trusselfaktorer og tiltak. DN Utredning 2004-7.
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Finstad, B., Økland, F., Thorstad, E.B., Bjørn, P.A., Sivertsgård, R. & McKinley, R.S. 2004. I smoltens fotspor. MRinfo, medlemsinformasjon for Norges jeger og fiskerforbund, Møre og Romsdal. - NJFF - MRinfo (6-7): 6-7.
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Thorstad, E.B. & Økland, F. 2004. What is the NINA bunch doing? Fish passage and restoration efforts in natural and flow-regulated rivers. Nordic Mini Workshop Umeå 15-16 june 2004.
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Thorstad, E.B. & Økland, F. 2004. Spawning migration of Atlantic salmon in rivers. - Telemetry Workshop: Positional and physiological telemetry in aquatic research: perspectives from Scandinavia and North America. Umeå, Sweden, 6 -10 December.
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Thorstad, E.B., Forseth, T., Økland, F., Aasestad, I. & Johnsen, B.O. 2004.
Oppvandring av radiomerket laks i Numedalslågen i 2003. - NINA Oppdragsmelding 835. 37 pp.
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Thorstad, E.B., Hay, C.J., Næsje, T.F., Chanda, B. & Økland, F. 2004. Effects of catch-and-release-angling on large cichlids in the subtropical Zambezi River. - Fisheries Research 69: 141-144.
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Thorstad, E.B., Næsje, T.F. & Økland, F. 2004. Effects of catch-and-release angling from 70 ºN to 18 ºS. Telemetry Workshop: Positional and physiological telemetry in aquatic research: perspectives from Scandinavia and North America Umeå, Sweden, 6 -10 December 2004.
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Thorstad, E.B., Økland, F., Finstad, B., Sivertsgård, R., Bjørn, P.A. & McKinley, R.S. 2004. Migration speeds and orientation of Atlantic salmon and sea trout post-smolts in a Norwegian fjord system. - Environmental Biology of Fishes 71: 305-311.
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Økland, F., Cowley, P., Næsje, T.F., Childs, A. & Thorstad, E.B. 2004. Movement behaviour and management of important estuarine fishery species in South Africa. Telemetry Workshop: Positional and physiological telemetry in aquatic research: perspectives from Scandinavia and North America, Umeå, Sweden, 6.-10 December.
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Økland, F., Finstad, B., Thorstad, E.B., Bjørn, P.A., Sivertsgård, R., Plantalech, N. & McKinley, R.S. 2004. Migration, salmon lice infestation and survival of Atlantic salmon and sea trout postsmolts in selected Norwegian fjord systems. Telemetry Workshop: Positional and physiological telemetry in aquatic research: perspectives from Scandinavia and North America, Umeå, Sweden, 6 -10 December 2004.
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Økland, F., Thorstad, E.B. & Næsje, T.F. 2004. Is Atlantic salmon production limited by number of territories?. - Journal of Fish Biology 65: 1047-1055.
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2003
Cowley, P.D., Childs, A.-R., Næsje, T.F., Thorstad, E.B. & Økland, F. 2003. Behaviour and management of important estuarine fishery species in South Africa. - The Fifth Conference on Fish Telemetry held in Europe, Ustica, Palermo, Italy, 9-13 June 2003.
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Fiske, P., Thorstad, E.B., Aarestrup, K., Hvidsten, N.A., Hårsaker, K., Heggberget, T.G. & Økland, F. 2003. Upstream migration of Atlantic salmon in rivers regulated for hydropower purposes. - The Fifth Conference on Fish Telemetry held in Europe, Ustica, Palermo, Italy, 9-13 June 2003.
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McKinley, R.S., Finstad, B., Økland, F., Thorstad, E.B. & Bjørn, P.A. 2003. Smolt migration and salmon lice infection on Atlantic salmon and sea trout in a Norwegian fjord system. Abstract to Sea Lice and Open Science Forum, Fairmount Hotel Vancouver, Canada, 22-24 February 2003.
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Næsje, T.F., Thorstad, E.B., Økland, F., Hay, C. & Chanda, B. 2003. Consequences of different movement patterns and habitat utilisation of an African cichlid and tigerfish for fisheries management. - The Fifth Conference on Fish Telemetry held in Europe, Ustica, Palermo, Italy, 9-13 June 2003.
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Thorstad, E.B., Hay, C., Næsje, T.F., Chanda, B. & Økland, F. 2003.
Space use and habitat utilisation of tigerfish and the two cichlid species nembwe and threespot tilapia in the Upper Zambezi River. Implications for fisheries management.. - NINA Project report 24. 23pp.
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Thorstad, E.B., Hay, C.J., Næsje, T.F., Chanda, B. & Økland, F. 2003.
Movements and habitat utilisation of threespot tilapia in the Upper Zambezi River. Implications for fisheries management. - NINA Project report (23). 22pp.
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Thorstad, E.B., Økland, F., Finstad, B. & McKinley, R.S. 2003. Sea lice infestation and migration of Atlantic salmon and sea trout smolts through a Norwegian fjord system. The Fifth Conference on Fish Telemetry held in Europe, Ustica, Palermo, Italy, 9-13 June 2003.
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Thorstad, E.B., Økland, F., Hvidsten, N.A., Fiske, P. & Aarestrup, K. 2003. Effects of reduced water discharge and artificial freshets on the upstream migration of Atlantic salmon. FoU-programmet Miljøbasert vannføring, Norges vassdrags- og energidirektorat, erfaringsseminar 11.-12. februar 2003, Holmenkollen Park Hotell, Oslo.
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Thorstad, E.B., Økland, F., Hvidsten, N.A., Fiske, P. & Aarestrup, K. 2003. Oppvandring av laks i forhold til redusert vannføring og lokkeflommer i regulerte vassdrag. Miljøbasert vannføring. Norges vassdrags- og energidirektorat.. (Rapport nr. 1-2003). 52pp.
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Thorstad, E.B., Økland, F., Johnsen, B.O. & Næsje, T.F. 2003. Migration of adult Atlantic salmon (Salmo salar) in relation to release of water diverted through a power station. - Fisheries Management and Ecology (10): 13-22.
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Thorstad, E.B., Økland, F., Kroglund, F. & Jepsen, N. 2003. Upstream migration of Atlantic salmon at a power station on the River Nidelva, Southern Norway. - Fisheries Management and Ecology (10): 139-146.
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Økland, F., Hay, C.J., Næsje, T.F., Nickandor, N. & Thorstad, E.B. 2003. Learning from unsuccesful radio tagging of common carp in a Namibian reservoir. - Journal of Fish Biology (62): 735-739.
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Økland, F., Thorstad, E.B. & Næsje, T.F. 2003. Habitat utilisation and movements of Atlantic salmon parr. - The Fifth Conference on Fish Telemetry held in Europe, Ustica, Palermo, Italy, 9-13 June 2003.
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Økland, F., Thorstad, E.B., Næsje, T.F., Berger, H.M. & Lamberg, A. 2003.
Forflytninger og habitatbruk hos laksunger i Altaelva. - NINA Oppdragsmelding 786. 24pp.
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2002
Hay, C.J., Næsje, T.F., Økland, F. & Thorstad, E.B. 2002. Radio telemetry tracking of fish in the Zambezi River. - Tight Lines May 2002: 26-29. South Africa.
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Lembo, G., Spedicato, M.T., Økland, F., Carbonara, P., Fleming, I.A., McKinley, R.S., Thorstad, E.B., Sisak, M. & Ragonese, S. 2002. A wireless communication system for determining site fidelity of juvenile dusky groupers
Epinephelus marginatus (Lowe, 1834) using coded acoustic transmitters. - Hydrobiologia 483: 249-257.
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Thorstad, E.B., Hay, C.J., Næsje, T.F., Chanda, B. & Økland, F. 2002.
Movements and habitat utilisation of tigerfish (Hydrocynus vittatus) in the Upper Zambezi River. Implications for fisheries management. - NINA Project report 19. 28pp.
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Økland, F., Hay, C.J., Næsje, T.F., Chanda, B. & Thorstad, E.B. 2002.
Movements and habitat utilisation of nembwe Serranochromis robustus in Upper Zambesi River. - NINA Project report 20. 25pp.
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Økland, F., Thorstad, E.B., Finstad, B. & McKinley, R.S. 2002. Estimating sea lice infestation on Atlantic salmon and sea trout smolts in a Norwegian fjord. Oral presentation. AquaNet II, Second Research Conference and Annual Meeting of AquaNet, Moncton, New Brunswick, Canada , 2002.
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2001
Almestad, S.R., Dolmseth, O., Langdahl, R., Thingstad, P.G., Thorstad, E.B., Økland, F., Binde, A., Sørhøy, M., Gorseth, S. & Rikstad, A. 2001. Seasonal pattern in movement and habitat preference of radio tagged pike (
Esox lucius L.) in a central Norwegian lake. The Fourth Conference on Fish Telemetry in Europe, Trondheim, June 2001.
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Berland, G., Nickelsen, T., Heggenes, J., Økland, F. & Thorstad, E.B. 2001. Behaviour of wild Atlantic salmon parr in relation to peaking flows below a power station. - The Fourth Conference on Fish Telemetry in Europe, Trondheim, June 2001.
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Brodeur, J.C., Økland, F., Finstad, B., Dixon, D.G. & McKinley, R.S. 2001. Effects of subchronic exposure to aliminium in acid water on bioenergics of Atlantic salmon (
Salmo salar). - Ecotoxicology and Environmental Safety 49: 226-234.
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Fiske, P., Thorstad, E.B., Økland, F. & Johnsen, B.O. 2001. Oppvandring hos radiomerket laks i Suldalslågen i forhold til vannføring, vannkvalitet og vanntemperatur. - NINA Oppdragsmelding 675: 1-42.
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Jepsen, N., Thorstad, E.B. & Økland, F. 2001. Surgical implanting of telemetry transmitters: How much have we learned ? - The Fourth Conference on Fish Telemetry in Europe, Trondheim, June 2001.
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Lembo, G., Fleming, I.A., Økland, F., Thorstad, E.B., Spedicato, M.T. & McKinley, R.S. 2001. Site fidelity and homing in juvenile dusky groupers (
Epinephelus marginatus) studied by use of miniature coded acoustic tags around the Island of Ustica, Italy. - The Fourth Conference on Fish Telemetry in Europe, Trondheim, June 2001.
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Næsje, T.F., Økland, F., Hay, C.J. & Thorstad, E.B. 2001. Effects of telemetry transmitters on African tilapia and catfish. - The Fourth Conference on Fish Telemetry in Europe, Trondheim, June 2001.
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Thorstad, E.B., Hay, C.J., Næsje, T.F. & Økland, F. 2001. Movements and habitat utilisation of three cichlid species in the Zambesi River, Namibia. - Ecology of Freshwater Fish 10(4): 238-246.
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Thorstad, E.B., Økland, F. & Heggberget, T.G. 2001. Are long term negative effects from external tags underestimated? - Fouling of an externally attached telemetry transmitter. - Journal of Fish Biology 59(4): 1092-1094.
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Økland, F., Erkinaro, J., Moen, K., Niemelö, E., Fiske, P., McKinley, R.S. & Thorstad, E.B. 2001. Return migration of Atlantic salmon in the River Tana: phases of migratory behaviour. - Journal of Fish Biology 59(4): 862-874.
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Økland, F., Hay, C.J., Næsje, T.F. & Thorstad, E.B. 2001. Movements and habitat utilisation of cichlids in the Zambezi River, Namibia. A radio telemetry study in 1999-2000. - The Fourth Conference on FISH Telemetry in Europe, Trondheim, June 2001. - NINA - NIKU project report 011. 18pp. Trondheim, Stiftelsen for naturforskning og kulturminneforskning.
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Økland, F., Hay, C.J., Næsje, T.F., Thorstad, E.B. & Nickandor, N. 2001. Movements and habitat utilisation of radio tagged carp (
Cyprinus carpio) in a reservoir in the Fish River, Namibia. - NINA - NIKU project report 013. 28pp. Trondheim, Stiftelsen for naturforskning og kulturminneforskning.
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