Evolution du Recrutement de la Civelle (
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D. Guerault; Y. Desaunay
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Article
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1990
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John Wiley and Sons
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English
โ 117 KB
Two series of indices, based on glass-eel fisheries data, are used: From 1977 onwards, average catch shows a decreasing trend, becoming moderate after 1982. Fisheries indicators (CPUE, iishing effort and total yield), estimated since 1985, demonstrate contrasting evolutions inside the Loire fishery,