Blar i Brage IMR på forfatter "Kristiansen, Tore S."
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A system for online assessment of fish welfare in aquaculture
Stien, Lars Helge; Gytre, Trygve; Torgersen, Thomas; Sagen, Helge; Kristiansen, Tore S. (ICES CM documents;2008/R:18, Working paper, 2008)Aquaculture sea cages can now be more than 30 meters deep. It has therefore become next to impossible for fish farmers to form a complete picture of the welfare situation of the fish. It is consequently all ]important ... -
Coping with Unpredictability: Dopaminergic and Neurotrophic Responses to Omission of Expected Reward in Atlantic Salmon (Salmo salar L.)
Vindas, Marco A.; Sørensen, Christina; Johansen, Ida B.; Folkedal, Ole; Höglund, Erik; Khan, Uniza W.; Stien, Lars Helge; Kristiansen, Tore S.; Braastad, Bjarne O.; Øverli, Øyvind (Journal article; Peer reviewed, 2014-01-17)Comparative studies are imperative for understanding the evolution of adaptive neurobiological processes such as neural plasticity, cognition, and emotion. Previously we have reported that prolonged omission of expected ... -
Dangerously small : Size-dependent mortality of released cod
Kristiansen, Tore S.; Otterå, Håkon; Svåsand, Terje (Conference object, 1997-09-08) -
Development of methods for intensive farming of European lobster in recirculated seawater : results from experiments conducted at Kvitsøy lobster hatchery from 2000 to 2004
Kristiansen, Tore S.; Drengstig, Asbjørn; Bergheim, Asbjørn; Drengstig, Tormod; Kollsgård, Ivar; Svendsen, Rudolf; Nøstvold, Einar; Farestveit, Eva; Aardal, Leiv (Fisken og havet, Research report, 2004)The goal of this project has been to evaluate the biological, technical and economical potential for production of plate sized lobsters in recirculated sea water. The project was carried out at Kvitsøy lobster hatchery ... -
Effect of size-selective mortality on growth of coastal cod (Gadus morhua L.) illustrated by tagging data and an individual-based growth and mortality model
Kristiansen, Tore S.; Svåsand, Terje (ICES CM Documents;1996/G:48, Working paper, 1996)Since 1983 more than one million reared cod juveniles have been tagged and released in different areas along the Norwegian coast. The goal of the programme is to evaluate the ecological and economical potential in sea ... -
Evaluering av fettfinneklipping av all oppdrettslaks for lettere identifikasjon ved utfisking av rømt laks i lakseelvene
Kristiansen, Tore S.; Skilbrei, Ove; Skaala, Øystein (Rapport fra Havforskningen;Nr. 20 - 2012, Working paper, 2012-06) -
Fjordranching with conditioned cod
Midling, Kjell; Kristiansen, Tore S.; Ona, Egil; Øiestad, Victor (ICES CM Documents;1987/F:29, Working paper, 1987)In June 1986, 1600 pond-reared one-year old cod were released into a fjord after being conditioned with a pulsed 160 Hz sound signal to search for food at a feeding location. Echosounders, UW-video and ultrasonic ... -
Genetisk merkede torskelarver gir svar på gamle stridsspørsmål
Jørstad, Knut Eirik; Kristiansen, Tore S. (Havforskningsnytt, Working paper, 1995) -
Havbeite med torsk i Hordaland : sluttrapport
Otterå, Håkon; Kristiansen, Tore S.; Svåsand, Terje; Borge, Asbjørn; Storaker, Arne; Pedersen, Jan Per; Paulsen, Ole Ingar; Nævdal, Gunnar; Thorkildsen, Solveig (Fisken og havet, Research report, 1997)Approximately 250,000 reared, juvenile cod have been released in the Øygarden area, western Norway, during the period 1991 to 1996. An additional 10,000 juveniles have been released at Sotra, and 45,000 at Heimarkspollen, ... -
Havbruksrapport 1999
Kristiansen, Tore S. (Fisken og havet, særnummer;3-1999, Research report, 1999-03) -
Havbruksrapport 2004
Agnalt, Ann-Lisbeth; Ervik, Arne; Kristiansen, Tore S.; Oppedal, Frode (Fisken og havet, særnummer;3-2004, Research report, 2004-02) -
Hvordan unngå flytere ved heving av torskemerder
Korsøen, Øyvind Johan; Fosseidengen, Jan Erik; Dempster, Tim; Stien, Lars Helge; Kristiansen, Tore S. (Havforskningsnytt;Nr. 2 - 2011, Working paper, 2011)Oppdrettstorsk tåler en trykkreduksjon på maks 40 % dersom en skal være sikker på at svømmeblæren ikke løfter fisken til overflaten med buken i været. Etter en slik reduksjon av trykket bør det gå minst åtte timer før ... -
Kan vi bruke fiskens adferd til å overvåke stressnivå og fiskevelferd i oppdrettsanleggene? : Can fish behaviour be used to monitor stress level and fish welfare in fish farms?
Kristiansen, Tore S. (Havforskningsnytt, Working paper, 2006) -
Learning and anticipatory behaviour in a “sit-and-wait” predator: the Atlantic halibut
Nilsson, Jonatan; Kristiansen, Tore S.; Fosseidengen, Jan Erik; Stien, Lars Helge; Fernö, Anders; van den Bos, Ruud (Journal article; Peer reviewed, 2010-03)We studied the learning capacities and anticipatory behaviour in a “sit-and-wait” predatory fish, the Atlantic halibut, Hippoglossus hippoglossus. In Experiment 1 two groups of halibut received series of light flashes ... -
Learning and anticipatory behaviour in a “sit-and-wait” predator: the Atlantic halibut
Nilsson, Jonatan; Kristiansen, Tore S.; Fosseidengen, Jan Erik; Stien, Lars Helge; Fernö, Anders; van den Bos, Ruud (Journal article; Peer reviewed, 2010-03)We studied the learning capacities and anticipatory behaviour in a “sit-and-wait” predatory fish, the Atlantic halibut, Hippoglossus hippoglossus. In Experiment 1 two groups of halibut received series of light flashes ... -
Minding the Gaps in Fish Welfare: The Untapped Potential of Fish Farm Workers
Medaas, Christian; Lien, Marianne Elisabeth; Gismervik, Kristine; Kristiansen, Tore S.; Osmundsen, Tonje; Størkersen, Kristine Vedal; Tørud, Brit; Stien, Lars Helge (Peer reviewed; Journal article, 2021)The welfare of farmed fish is often regarded with less concern than the welfare of other husbandry animals, as fish are not universally classified as sentient beings. In Norway, farmed fish and other husbandry animals are ... -
Minneord [i Bergens Tidende om Jon-Erik Juell]
Kristiansen, Tore S.; Gytre, Trygve; Stien, Lars Helge (Others, 2007-06-23) -
Opprettsfisk tilpasser seg
Torgersen, Thomas; Remen, Mette; Oppedal, Frode; Folkedal, Ole; Aasjord, Anne; Nilsson, Jonatan; Stien, Lars Helge; Kristiansen, Tore S. (Havforskningsnytt;Nr. 3 - 2011, Working paper, 2011)Hvor godt og hvor fort oppdrettsfisk kan venne seg til miljøforandringene de utsettes for avgjør i stor grad hvor god velferd de har, uavhengig av om miljøendringene skyldes driftsrutiner eller naturlig variasjon. -
Possibilities and limitations of extensive aquaculture of marine fish: evaluation of current results with Atlantic cod and further prospects
Kristiansen, Tore S.; Pedersen, Torstein; Svåsand, Terje (ICES CM documents, Working paper, 1998) -
Recruitment of wild and artificially reared cod (Gadus morhua L.) to the local spawning stock
Svåsand, Terje; Jørstad, Knut Eirik; Kristiansen, Tore S. (ICES CM Documents;1987/F:27, Working paper, 1987)A stock enhancement study of coastal cod was initiated in 1983, when 19,002 artificially reared cod fry were tagged and released in the Austevoll region in western Norway. As a part of this program, 3,946 cod fry were ...