• Fish reaction to trawling noise: The significance for trawl sampling 

      Ona, Egil; Godø, Olav Rune (Conference object, 1990)
      The reactions of fish during trawling were observed with a stationary echo sounder as a trawling vessel passed close to the transducer. Several strong, downward avoidance reactions of haddock (Melanogrammus aeglefinus ) ...