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Toward elimination of unwanted catches using a 100 mm T90 extension and codend in demersal mixed fisheries ArchiMer
Robert, Marianne; Morandeau, Fabien; Scavinner, Marion; Fiche, Marion; Patterson, Heather M..
Most European fishing fleets will need to drastically reduce their unwanted catches to comply with new rules of the common fisheries policy. A more practical way to avoid increasing on-board sorting time and issues linked to storage capacity is to prevent unwanted catches in the first place. We assessed the selectivity properties of an experimental fishing gear that combined a 100 mm T90 cylinder with 130 meshes in the extension and a 100 mm T90 codend of 33 meshes (experimental gear) compared to a 100 mm diamond mesh extension and codend (control gear) during commercial trips using twin trawls. Analysis of the relative size composition of catches indicated a significantly higher escapement of small fish of several target species (e.g. Lepidorhombus...
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Ano: 2020 URL: https://archimer.ifremer.fr/doc/00641/75312/75804.pdf
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