Now showing items 1-3 of 3

  • Collective behaviour of herring during spawning 

    Skaret, Georg (The University of Bergen, 2007-02-02)
    The thesis focuses on the collective behaviour of Norwegian spring spawning herring (NSS-herring; Clupea harengus L.) in the specific ecological context of reproduction. The major part of the work is based on field ...
  • Measurement of non-linear acoustoelastic effect in steel using acoustic resonance 

    Eldevik, Simen (The University of Bergen, 2014-09-25)
    Non-destructive stress measurements of structures are increasingly valued by the industry. Ultrasonic methods have the advantage that acoustic waves propagate with ease through materials, making it possible to probe the ...
  • Spatial distribution of Nile perch using acoustic methods 

    Bernardes, Ines Dias (The University of Bergen, 2010-08-03)
    Lake Victoria supports Africa's largest fishery, being Nile perch the main contributor for the fishery revenues. Alerts for decreases in the commercial catches of Nile perch were reported during the mid 1990s. According ...