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	Provedor de dados OMA (1) Autor De Clerck, R. (1) Redant, F. (1) Palavra-chave Belgium ANE (1) Circadian rhythms Length Nephrops ANE (1) North Sea (1) Tipo do documento Info:eu-repo/semantics/book (1) Ano 1984 (1) País Belgium (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Diurnal variations in CPUE and length composition of the catches in a <i>Nephrops</i> directed fishery in the Central North Sea OMA Redant, F.; De Clerck, R.. The report describes the Belgian <i>Nephrops</i> directed fishery in the Central North Sea (Botney Gut-Silver Pit area) and analyzes the diurnal variations in CPUE and catch composition of several commercial <i>Nephrops</i> trawlers operating in this area. Peak CPUE-values were generally obtained after dawn and before dusk. Some anomalies however did occur. These are discussed in relation to the natural variations in light intensity on the sea floor and the food requirements of <i>Nephrops</i>. There was no evidence of significant changes in the length composition of <i>Nephros</i> taken at different times of the day. The data even suggest that all size groups of <i>Nephros</i> respond in the same... Tipo: Info:eu-repo/semantics/book Palavras-chave: Circadian rhythms Length Nephrops ANE; Belgium ANE; North Sea. Ano: 1984 URL: http://www.vliz.be/imisdocs/publications/129008.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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