• Loddeundersøkelser i Barentshavet vinteren 1981 

      Alvheim, Oddgeir; Dommasnes, Are; Martinsen, Otto; Tjelmeland, Sigurd (Fisken og havet, Research report, 1983)
      From 5 January to 1 April, five vessels participated in the capelin investigations in the Barents Sea and along the coast of Finnmark. The immature capelin west of 30°E was distributed south to 73°30'N. In an area around ...
    • Loddeundersøkelser vinteren 1982 

      Alvheim, Oddgeir; Dommasnes, Are; Martinsen, Otto (Fisken og havet, Research report, 1983)
      Capelin investigations during the period January-March 1982 are described, and figures are given showing the distribution of immature and mature capelin, known spawning areas, and age composition of the stock. The fishery ...
    • Toktrapport [1/6 - 17/6, 1981] 

      Martinsen, Otto ([Toktrapport/Havforskningsinstituttet];, Working paper, 1981-07-17)
    • Toktrapport [27/4 - 28/5, 1981] 

      Martinsen, Otto; Nilsen, J.H.; Røttingen, Jostein ([Toktrapport/Havforskningsinstituttet];, Working paper, 1981-08-19)
    • Toktrapport [5/4 - 7/5, 1983] 

      Martinsen, Otto; Nilsen, J.H. ([Toktrapport/Havforskningsinstituttet];, Working paper, 1983-06-08)
    • Undersøkelser på loddas gytefelt i 1975 

      Gjøsæter, Jakob; Martinsen, Otto (Fisken og havet, Research report, 1976)
      From 1 to 19 April the R.V. «Johan Hjort» carried out investigations at the spawning grounds of capelin. The spawning took place between Slettnes and Grense Jakobselv. The greatest quantities of eggs were found on rather ...