Blar i Published by IMR på emneord "bunntrål"

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    • Botnfiskundersøkingar i Barentshavet (norsk sone) vinteren 1997 

      Mehl, Sigbjørn (Fisken og havet, Research report, 1997)
      Eit kombinert akustikk- og botntråltokt med sikte på å kartleggja utbreiing, mengde og vekst hos torsk, hyse, blåkveite og uerartene er gjennomført sidan 1981 i Barentshavet. Vinteren 1997 vart dekkinga svært mangelfull ...

    • Botnfiskundersøkingar i Barentshavet (redusert område) vinteren 1998 

      Mehl, Sigbjørn (Fisken og havet, Research report, 1998)
      A combined acoustic and bottom trawl survey to obtain indices of abundance and estimates of length and weight at age has been carried out each winter (4-6 weeks in January- March) since 1981 in the Barents Sea. The target ...

    • Botnfiskundersøkingar i Barentshavet vinteren 1996 

      Mehl, Sigbjørn; Nakken, Odd (Fisken og havet, Research report, 1996)
      A combined acoustic and bottom trawl survey to obtain indices of abundance and estimates of length and weight at age has been carried out each winter (4-6 weeks in January- March) since 198 1 in the Barents Sea. The ...

    • Botnfiskundersøkingar i Barentshavet vinteren 1999 

      Mehl, Sigbjørn (Fisken og havet, Research report, 1999)
      A combined acoustic and bottom trawl survey to obtain indices of abundance and estimates of length and weight at age has been carried out each winter (4-6 weeks in January- March) since 1981 in the Barents Sea. The ...

    • Bunnfiskundersøkelser i Barentshavet sommeren 1995 

      Aglen, Asgeir; Nakken, Odd (Fisken og havet, Research report, 1996)
      The report presents the results from the first in a series of surveys which the Institute of Marine Research (IMR) has inititated in order to monitor the stocks of demersal fish in the Barents Sea area. The survey was ...

    • Joint Russian-Norwegian selectivity experiments on cod (Gadus morhua L.) in the Barent Sea, 1995 

      Isaksen, S.; Larsen, Roger B.; Sakhnoe, V.; Gamst, Kjell Arne; Misund, Robert (Fisken og havet, Research report, 1996)
      With reference to point 4.3.2 in the protocol from the 23rd Session of the Mixed Norwegian- Russian Fisheries Commission, the parties agreed that necessary testing of sorting grids systems had to be performed during 1995 ...

    • Lophelia-korallrev langs norskekysten : forekomst og tilstand 

      Fosså, Jan Helge; Buhl-Mortensen, Pål; Furevik, Dag M. (Fisken og havet, Research report, 2000)
      This report gives an overview of the distribution of coral reefs of Lophelia pertusa in Norway and damages by fishing activities. This information is compared with the localisation of trawling grounds. Testing of several ...

    • Nytt bunntrålgear med spredningsegenskaper 

      Valdemarsen, John Willy; Hansen, Kurt (Havforskningstema, Working paper, 2004)

    • Nytt trålegear med redusert bunnkontakt : New trawl gear with reduced bottom contact 

      Skaar, Kristian; Vold, Aud (Havforskningsnytt;Nr. 2 - 2010, Working paper, 2010)

    • Rapport fra CRISP-tokt med F/F ”G. O. Sars” 10.-24. april 2013 

      Valdemarsen, John Willy (Rapport fra Havforskningen;Nr. 17-2013, Working paper, 2013-05)

    • Report on demersal fish surveys in the Barents Sea 

      Aglen, Asgeir (Fisken og havet, Research report, 1999)
      A combined acoustic and bottom trawl survey focused on cod was made with four vessels in the Barents Sea and West-Spitsbergen area during summer 1996 and 1997. Abundance estimates of cod, Greenland halibut, haddock and ...

    • Tråling over steindekte rørledninger i Nordsjøen 

      Soldal, Aud Vold (Fisken og havet, Research report, 1997)
      Between 17 June and 1 July 1997 an experiment was conducted to determine to what extent gravel dumped on pipelines crossing the sea floor obstructs bottom trawling in the North Sea. The investigation was carried out by ...