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	Provedor de dados ArchiMer (1) Autor Ramirez Llodra, Eva (1) Segonzac, Michel (1) Palavra-chave Caridean shrimp (1) Oogenesis (1) Population structure (1) Reproduction biology (1) Sex ratio (1) Tipo do documento Text (1) Ano 2006 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Reproductive biology of Alvinocarls muricola (Decapoda : Caridea : Alvinocarididae) from cold seeps in the Congo Basin ArchiMer Ramirez Llodra, Eva; Segonzac, Michel. The caridean shrimp Alvinocaris niuricola has been observed forming high density populations over mussel beds on the giant pockmark cold seep site Regab in the Gulf of Guinea at 3150 m depth. Samples were collected using the ROV Victor 6000, a beam trawl and a TV grab from two sites. The specimens Were sexed and measured for population structure analysis. In one sample the sex ratio was 1:1, but the other sample had a sex ratio significantly biased towards females. The maximum size of females is larger than males. A sub-sample was used for gametogenesis and fecundity analysis. The oogenesis and spermatogenesis of A. muricola is characteristic of caridean shrimps. The oogonia proliferate from the germinal epithelium and develop into previtellogenic oocytes... Tipo: Text Palavras-chave: Reproduction biology; Oogenesis; Sex ratio; Population structure; Caridean shrimp. Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/publication-2317.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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