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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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Flatfish discarding practices in bivalve dredge fishing off the south coast of Portugal (Algarve) Palma, J.; Reis, C.; Andrade, J.P. (2003). Flatfish discarding practices in bivalve dredge fishing off the south coast of Portugal (Algarve). J. Sea Res. 50(2-3): 129-137. https://dx.doi.org/10.1016/s1385-1101(03)00065-0 In: Journal of Sea Research. Elsevier/Netherlands Institute for Sea Research: Amsterdam; Den Burg. ISSN 1385-1101; e-ISSN 1873-1414, meer Ook verschenen in: Geffen, A.J.; Nash, R.D.M.; van der Veer, H.W. (Ed.) (2003). Proceedings of the Fifth International Symposium on Flatfish Ecology, Part I. Port Erin, Isle of Man, 3-7 November 2002. Journal of Sea Research, 50(2-3). Elsevier: Amsterdam. 87-270 pp., meer

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VLIZ: Non-open access 56776 [ aanvragen ]

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Trefwoorden

By catch Equipment > Fishery industry equipment > Fishing gear > Dredges Fisheries > Shellfish fisheries > Mollusc fisheries Surveys > Fishery surveys Chamelea gallina (Linnaeus, 1758) [WoRMS]; Donax trunculus Linnaeus, 1758 [WoRMS]; Spisula solida (Linnaeus, 1758) [WoRMS] ANE, Portugal, Algarve [Marine Regions] Marien/Kust

Author keywords

bivalve fishery; dredges; flatfish; by-catch; Portugal

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Auteurs		Top
Palma, J. Reis, C. Andrade, J.P.

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Abstract

An evaluation of flatfish discards from bivalve dredge fishing on the south coast of Portugal (Algarve) was undertaken through fishing surveys carried out on board a professional dredge fleet. Data collection of the dredge fishery was carried out between November 2000 and February 2002. The data were compared with information gathered from abundance analysis surveys, and analysed independently of the target bivalve species (Chamelea gallina, Donnax trunculus, and Spisula solida). Flatfish and non-flatfish species accounted for 20.1% and 79.9%, respectively, of the by-catch species of the bivalve dredge fishery. Significant differences have been calculated between length composition of flatfish species in the by-catch and in the abundance surveys. This indicates an optimised performance of the bivalve dredge, which catches a small amount of undersized flatfish as by-catch.

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