Browsing Brage IMR by Author "Jørstad, Knut Eirik"
Now showing items 41-56 of 56
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Significance of population genetics on management of herring stocks.
Jørstad, Knut Eirik; Nævdal, Gunnar (ICES CM Documents;1981/H:64, Working paper, 1981) -
Significance of population genetics on management of herring stocks.
Jørstad, Knut Eirik; Nævdal, Gunnar (ICES CM Documents;1981/H:64, Working paper, 1981) -
Silde- og brislingundersøkelser i fjordene 1.november - 13. desember 1995
Torstensen, Else; Dommasnes, Are; Jørstad, Knut Eirik (Fisken og havet, Research report, 1996)Rapporten beskriver resultatene fra en akustisk kartlegging av brisling og O- og 1- gruppe sild i utvalgte fjorder fra Svenskegrensen til Finnmark i november-desember 1995 Den totale mengden av O-gruppe brisling var ... -
Silde- og brislingundersøkelser i fjordene med "Michael Sars" 1. - 27. november 1993
Dommasnes, Are; Torstensen, Else; Jørstad, Knut Eirik; Røttingen, Jostein (Fisken og havet, Research report, 1994)Rapporten beskriver resultatene fra en akustisk kartlegging av bestandene av brisling og 0- og 1- gruppe sild i utvalgte fjorder fra Ryfylke til Finnmark i november - desember 1993. Det var gode forekomster av 0-gruppe ... -
Silde- og brislingundersøkelser i fjordene med "Michael Sars" 10. november - 13. desember 1994
Torstensen, Else; Dommasnes, Are; Jørstad, Knut Eirik (Fisken og havet, Research report, 1995)Acoustic investigations have been carried out in selected fjords from Ryfylke to Finnmark to map the occurrence of herring and sprat. Recorded concentrations have been sampled with pelagic trawl. All samples have been ... -
Silde- og brislingundersøkelser i fjordene, 1.november - 13. desember 1997
Torstensen, Else; Røttingen, Ingolf; Jørstad, Knut Eirik (Fisken og havet, Research report, 1998)Since 1968 selected fjords from Ryfylke to Finnmark have been surveyed acoustically to obtain an indices of abundance of 0-group sprat and Norwegian Spring Spawning Hemng. From 1993 the survey also covers the fjords on ... -
Silde- og brislingundersøkelser i fjordene, 28.oktober - 10.desember 1989
Torstensen, Else; Røttingen, Jostein; Jørstad, Knut Eirik; Paulsen, Ole Ingar (Fisken og havet, Research report, 1999)Since 1968 selected fjords from Ryfylke to Finnmark have been surveyed acoustically to obtain an indices of abundance of 0-group sprat and Norwegian Spring Spawning Herring. From 1993 the survey also covers the fjords ... -
Stock structure of cod in the Møre area. In: The propagation of cod Gadus morhua L.: an international symposium, Arendal, 14 - 17 June 1983
Reisegg, Jon; Jørstad, Knut Eirik (Flødevigen rapportserie, Conference object, 1984)Recently several research projects have involved studies of cod in the Møre area. Due to a common sampling programme a large number of individual fish have been classified for biological and genetical characters. The ... -
Studies on associations between genotypes and growth rate of 0-group cod
Jørstad, Knut Eirik; Nævdal, Gunnar (ICES CM Documents;1992/G:66, Working paper, 1992)The aim of the present study was to investigate genotype dependent growth rate in young cod. The material of 0-group cod was collected from pond produced cod in western and northern Norway, and analysed for genotype ... -
Studies on environmental conditions and influence on salmon farm production
Ervik, Arne; Jørstad, Knut Eirik; Farestveit, Eva; Wennevik, Vidar; Eriksen, Anne Grete; Lerøy, Rita (ICES CM Documents;1990/F:35, Working paper, 1990)The study was undertaken to investigate how environmental conditions influence growth of Atlantic salmon, and how different sub groups of salmon respond to different environment. The fish were raised at five different ... -
The use of genetic tagging to study interaction between farmed and wild atlantic cod stocks
Jørstad, Knut Eirik; van der Meeren, Terje; Dahle, Geir; Paulsen, Ole Ingar; Svåsand, Terje; Otterå, Håkon (ICES CM documents;2009/Q:12, Working paper, 2009)Escapement of farmed fish from the aquaculture is considered as a risk for negative genetic impacts on native gene pools. In order to investigate potential interbreeding between cultured and wild Atlantic cod, Gadus ... -
Toktrapport [1/6, 2010]
van der Meeren, Terje; Jørstad, Knut Eirik ([Toktrapport/Havforskningsinstituttet];Nr. 3 - 2010, Working paper, 2010) -
Toktrapport [10/4 - 18/4, 24/4 - 2/5, 1984]
Bjørke, Herman; Jørstad, Knut Eirik ([Toktrapport/Havforskningsinstituttet];, Working paper, 1984-06-19) -
Toktrapport [23/3 - 12/4, 1992]
Korsbrekke, Knut; Raknes, Askjell; Jørstad, Knut Eirik ([Toktrapport/Havforskningsinstituttet];, Working paper, 1992) -
Toktrapport [5/3 - 6/3, 2010]
van der Meeren, Terje; Jørstad, Knut Eirik ([Toktrapport/Havforskningsinstituttet];Nr. 1 - 2010, Working paper, 2010-05-11) -
Training camp—A way to improve survival in European lobster juveniles?
Agnalt, Ann-Lisbeth; Grefsrud, Ellen Sofie; Farestveit, Eva; Jørstad, Knut Eirik (Peer reviewed; Journal article, 2017)