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	Provedor de dados ArchiMer (1) Autor Ba, Kamarel (1) Balde, Bocar Sabaly (1) Brehmer, Patrice (1) Diouf, Malick (1) Ekau, Werner (1) Fall, Massal (1) Kantoussan, Justin (1) Sow, Fambaye N. (1) Mais... Palavra-chave Data poor fisheries (1) Environmental variability (1) Size structure (1) Small pelagic (1) Spawning period (1) West Africa (1) Mais... Tipo do documento Text (1) Ano 2019 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Variability of key biological parameters of round sardinella Sardinella aurita and the effects of environmental changes ArchiMer Balde, Bocar Sabaly; Sow, Fambaye N.; Ba, Kamarel; Ekau, Werner; Brehmer, Patrice; Kantoussan, Justin; Fall, Massal; Diouf, Malick. We examined growth rates and reproductive characteristics of Sardinella aurita off Senegal and other coastal areas over a 20 year period (1995-2014) to determine how they relate to variations in environmental characteristics of coastal waters. Based on fish length-frequency data and a coastal upwelling index, we found that S. aurita recruitment tends to occur during the periods of most intensive upwelling (March-April off Senegal). Peak reproduction corresponds to periods of low sea-surface temperature (in February or March). The sex ratio was remarkably consistent during the 30 year study period and so was not affected by environmental changes. We hypothesise that S. aurita takes advantage of the higher zooplankton productivity that occurs in coastal... Tipo: Text Palavras-chave: Data poor fisheries; Environmental variability; Size structure; Small pelagic; Spawning period; West Africa. Ano: 2019 URL: https://archimer.ifremer.fr/doc/00491/60229/67183.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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