Larval recruitement of Crassostrea gigas in a french Mediterranean lagoon

We bring new items in connection with the origins of the natural recruitment variability of the Pacific oyster Crassostrea gigas in Thau lagoon. A poor relationship between " number of larvae" and "number of spat" in 2012 shows a biological lock around oysterculture areas during...

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Bibliographic Details
Main Authors: Lagarde, Franck, Roque D'Orbcastel, Emmanuelle, Perignon, Adeline, Mortreux, Serge, Fuhrmann, Marine, Le Gall, Patrik, Leurion, Axel, Chiantella, Claude, Bec, Beatrice, Roques, Cecile, Bonnet, Delphine, Cochet, Helene, Boj, Marie, Gervasoni, Erika, Miron, Gilles, Fiandrino, Annie, Pouvreau, Stephane, Pernet, Fabrice
Format: Conference Object
Language:English
Published: 40th CIESM Congress, 28 October - 1 November 2013, Marseille 2013
Subjects:
Pacific
Crassostrea gigas
Pacific oyster
Online Access:https://archimer.ifremer.fr/doc/00165/27653/25822.pdf
https://archimer.ifremer.fr/doc/00165/27653/
Description
Summary:We bring new items in connection with the origins of the natural recruitment variability of the Pacific oyster Crassostrea gigas in Thau lagoon. A poor relationship between " number of larvae" and "number of spat" in 2012 shows a biological lock around oysterculture areas during the metamorphosis in spite of better success of recruitment outside shellfish farming zone. A comprehensive analysis of environmental factors effects and the development of prognosis tools are planned to assist oysterfarmers in rationalization of natural oyster recruitment around Mediterranean lagoon.

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