Analyse quantitative et qualitative des captures de tourteaux Cancer pagurus par la flottille de Manche-ouest

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Contributeur(s) ICES C.M 1988/K:33
Identifiant documentaire 9-1416
Identifiant OAI oai:archimer.ifremer.fr:1416
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Auteur(s): Latrouite, Daniel,Morizur, Yvon
Mots clés Biscay Bay Catch composition France Western Channel Sampling Iroise Edible crab Cancer Pagurus Fishing Golfe de Gascogne Iroise Manche Echantillonnage Composition des captures Tourteau
Date de publication 01/01/1988
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Date de dépôt légal
Langue fre
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Droits de réutilisation info:eu-repo/semantics/openAccess

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Description
French potters from « Manche ouest » harbours ish edible crab Cancer pagurus in English Channel, Iroise Sea and along north Biscay Bay shelf. Monthly landings of the offshore fleet analysed from logbooks for the period 1985-1987 indicate changes in fishing areas. The mean length of males, the mean length of females and the sex-ratio have been analysed by Principal Component Analysis in 1981-1987 samples. The heterogeneity between catches from different statistical rectangle (30 x 40 nautical miles) was great enough to deduce a way of raising composition from samples to total landings. It also offers the possibility to verifiy and correct declaration on geographical origin of landings.
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