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Opportunistic feeding by dabs within areas of trawl disturbance: possible implications for increased survival
Kaiser, M.J.; Ramsay, K. (1997). Opportunistic feeding by dabs within areas of trawl disturbance: possible implications for increased survival. Mar. Ecol. Prog. Ser. 152(1-3): 307-310
In: Marine Ecology Progress Series. Inter-Research: Oldendorf/Luhe. ISSN 0171-8630; e-ISSN 1616-1599, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Abundance
    ANE, North Sea
    Behaviour > Feeding behaviour
    Catching methods > Net fishing > Trawling
    Feeding
    Limanda limanda (Linnaeus, 1758) [WoRMS]
    Noordzee [Marine Regions]
    Marien/Kust
Auteurs  Top 
  • Kaiser, M.J., meer
  • Ramsay, K.
Abstract
    As demersal fishing gears are towed across the seabed they dig up or damage infauna. Dab Limanda limanda L. are known to aggregate in areas disturbed by trawls. We demonstrate that dab alter their diet and increase their food intake when feeding in these areas. Although dabs are frequently caught in large numbers as part of the by-catch of commercial flatfish fisheries, and a large proportion of these die, they remain the most abundant flatfish species in the North Sea. Fisheries have selectively removed species that prey upon or compete with dab. Furthermore, fishing activity increases feeding opportunities for dabs. These factors may have contributed to the observed increase in the abundance of dab in the North Sea.
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