• Esterase variation in herring studied by isoelectric focusing 

      Nævdal, Gunnar; Thorkildsen, Solveig; Lemvig, Svend (ICES CM Documents;1997/AA:1, Working paper, 1997)
      Few suitable genetic characteristics for studying herring population structure are available, and the main aim of the study reported here has been to reveal traits which display useful genetic variations for application ...
    • Genotype distributions of cod from the Norwegian Skagerrak coast 

      Gjøsæter, Jakob; Jørstad, Knut Eirik; Nævdal, Gunnar; Thorkildsen, Solveig (Journal article; Peer reviewed, 1992-02-20)
      The genotype distributions for cod, Gadus morhua L., from the southeastern coast of Norway are studied as part of a more extensive study on cod enhancement and the possible effects of mass liberation of 0-group cod on ...
    • 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, ...
    • Population structure of Ammodytes marinus in the Northeast Atlantic 

      Nævdal, Gunnar; Lahn-Johannessen, John; Reinert, Jákup; Thorkildsen, Solveig (ICES CM Documents;1996/G:23, Working paper, 1996)
      Samples of the lesser sandeel species Ammodytes marinus Raitt were collected from Iceland, Denmark, Scotland, the Faeroe Islands and central and northern North Sea, and analysed for frequency distributions of genotypes ...
    • Studies on haemoglobin genotypes in turbot and their relation with growth 

      Imsland, Albert K.; Nævdal, Gunnar; Thorkildsen, Solveig (ICES CM Documents;1994/F:16, Working paper, 1994)
      Turbot, Scophthalmus maximus, were kept in tanks and weighed every month for about two years. Haemoglobins of 90 untagged and 52 individually Pit tagged fish were analysed by agar gel electrophoresis. A polymorphic system ...