Now showing items 308-314 of 314

    • Zooplankton and the discontinuity layer in relation to echo traces in the Oslofjord 

      Tveite, Stein (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)
      1. Using high amplification on the 38.5 Kc/sec. echosounder echoes from the depth of the discontinuity layer in the inner Oslofjord were mostly observable. 2. The distribution of zooplankton was analysed from samples ...
    • Zooplankton in relation to herring in the Norwegian Sea, June 1959 

      Lie, Ulf (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1961)
      1. During a cruise with RV "Johan Hjort" from 2. to 28. June 1959 zooplankton was collected at 121 stations in the Norwegian Sea. 2. The zooplankton was most abundant in the border area between Atlantic waters and ...
    • Zooplankton in relation to hydrography in the norwegian sea 

      Wiborg, Kristian Fredrik (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1955)
      A study was made of the distribution of zooplankton organisms in the Norwegian Sea during May-August 1948-1954. It is based on plankton collected in vertical Nansen net hauls in the upper 200 m. Samples taken by the ...
    • Zooplankton Investigations in some Fjords in Western Norway during 1950-1951 

      Gundersen, Kaare R. (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1953)
      At the end of February 1950 investigations on zooplankton were initiated in some fjords south of Bergen on the west coast of Norway, and continued during 1951. Simultaneously hydrographic observations were also taken. Of ...
    • The Østerbø Herring 

      Aasen, Olav (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1953)
    • Østersens respirasjon - Undersøkelser utført ved Statens Utklekningsanstalt Flødevigen 

      Pedersen, Elisabeth (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1947)
      In Norway the oyster, Ostrea edulis, is cultivated in small natural salt-water ponds, with but narrow communications with the sea. On the top of the ponds we have generally a layer of fresh water. The temperature rises ...
    • Årsaker til rike og fattige årganger av sild 

      Soleim, Peder A. (Fiskeridirektoratets skrifter, serie havundersøkelser, Research report, 1942)
      Causes of rich and poor Year-classes of Herring. This paper continues RUNNSTRØMS investigation on herring larvæ during 1932-35 and is based on material obtained by hatching artificially fertilized eggs as well as on ...