Blar i Fisken og havet (1958- ) på forfatter "Alvsvåg, John"

Viser treff 1-3 av 3

    • Investigations on demersal fish in the Barents Sea winter 2006 

      Aglen, Asgeir; Alvsvåg, John; Høines, Åge S.; Johannesen, Edda; Mehl, Sigbjørn (Fisken og havet, Research report, 2008)
      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 ...

    • Marinøkologiske ringvirkninger av vindmølleparker til havs 

      Steen, Henning; Nilssen, Kjell Tormod; Agnalt, Ann-Lisbeth; Alvsvåg, John; Asplin, Lars; Jelmert, Anders; Dahl, Einar; Dalen, John (Fisken og havet, Research report, 2008)
      There is an increasing need for energy. Considerable efforts are being made to develop environmentally friendly energy sources. Generating electric energy using wind turbines is one of the methods that has gained widespread, ...

    • Observasjoner av marin fauna fra fjernstyrt undervannsfarkost 

      Aksland, Magnar; Alvsvåg, John (Fisken og havet, Research report, 1991)
      A cable-operated ROV, equipped with a CIT super sensitive videocamera and a 330 kHz scanning sonar, was used in trials to observe marine fauna during three periodes in 1988 (spring, autumn and winter). The vehicle was ...