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	Provedor de dados ArchiMer (1) Autor Barille, Laurent (1) Bougrier, Serge (1) Heral, Maurice (1) Prou, Jean (1) Palavra-chave Crassostrea gigas (1) Dietary quality (1) Particle concentration (1) Physiological model (1) Retention efficiency (1) Tipo do documento Text (1) Ano 1992 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Retention efficiency in oyster Crassostrea gigas exposed to variable food quantity and quality ArchiMer Barille, Laurent; Prou, Jean; Heral, Maurice; Bougrier, Serge. Relative retention efficiency (Er%) of Crassostrea gigas was estimated in the laboratory with 7 diets consisting of algae and silt. Total particulates varied from 1.34 mg/l in natural sea water to 27.65 mg/l in natural sea water enriched with silt. It was also calculated from field experiment to get high concentration of seston up to 66 mg/l. It appeared that Crassostrea gigas did not adjust its retention according to the food quality and the gill porosity was controlled by the concentration of particulate matter. In low seston load (1.34 mg/l) the oyster showed no change in retention for particles larger than 3-4 µm (Equivalent Spherical Diameter, ESD) but at the highest concentration (66 mg/l) it could only retain with a maximum efficiency particles... Tipo: Text Palavras-chave: Crassostrea gigas; Dietary quality; Particle concentration; Physiological model; Retention efficiency. Ano: 1992 URL: http://archimer.ifremer.fr/doc/00100/21096/18721.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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