Abstract
The fishery of the brown shrimp (Crangon crangon Linneaus 1758) is a widespread human activity in the coastal zone. Yet management of this fishery has never been implemented. The question is raised whether an uncontrolled fishery is sustainable or the conceivable ecological stress results in recruitment overfishing. The time series of shrimp abundance, commercial landings per unit of effort and the shrimp consumption by cod and whiting provide a perspective for nature conservation and fishery management. The results indicate that predation mortality by only two of the predator species present in the coastal areas exceeds the landings by a factor 2 to 20, and that, despite large annual fluctuations in shrimp consumption, the shrimp stock has remained remarkably stable over 30 years. Moreover, predators exploit juvenile shrimp, while the fishery exploits adult shrimp after the predators have levied their toll. The international catch of approx. 26,000 tonnes is of the same order of magnitude as the consumption of one natural predator. Thus, there is no indication that the shrimp stock is fished at unsustainable levels.
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Welleman, H.C., Daan, N. Is the Dutch shrimp fishery sustainable?. Senckenbergiana maritima 31, 321–328 (2001). https://doi.org/10.1007/BF03043040
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DOI: https://doi.org/10.1007/BF03043040