Effects of commercial fishing and predation by cormorants on the Anguilla anguilla stock of a shallow eutrophic lake

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Abstract:

Mortality of eels Anguilla anguilla in a large shallow lake in France due to predation by the cormorant Phalacrocorax carbo was found to be moderate when compared to fishery catches over a 9 year period. The results show that, contrary to previous extrapolations made at the pan-European scale, P. carbo predation in shallow lakes is not invariably a major contributor to A. anguilla mortality, even in the presence of large colonies.

Keywords: Phalacrocorax carbo; fishery; natural mortality

Document Type: Regular Paper

DOI: http://dx.doi.org/10.1111/j.1095-8649.2009.02286.x

Affiliations: 1: UMR 6553 ECOBIO, CNRS-University of Rennes 1, F-35042 Rennes, France 2: UMR 7208 BOREA, MNHN CRESCO, 38 Rue du Port Blanc, F-35800 Dinard, France

Publication date: June 1, 2009

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