Heterogeneity of Japanese Oyster (Crassostrea Gigas) Spat Collection in a Shellfish Farmed Mediterranean Lagoon

Japanese oysters spatfields were recently discovered in the French Mediterranean Thau lagoon farmed for shellfish. This discovery led to interesting issues concerning research for a highly seashell exploited ecosystem . The analyses of various environmental parameters characterized favorable sites a...

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Bibliographic Details
Main Authors: Lagarde, Franck, Ubertini, Martin, Mortreux, Serge, Perignon, Adeline, Leurion, Axel, Le Gall, Patrik, Chiantella, Claude, Meddah, Slem, Guillou, Jean-Louis, Messiaen, Gregory, Bec, Beatrice, Roques, Cecile, Bonnet, Delphine, Cochet, Hélène, Bernard, Ismael, Gervasoni, Erika, Richard, Marion, Miron, Gilles, Fiandrino, Annie, Pouvreau, Stephane, Roque d'Orbcastel, Emmanuelle
Other Authors: MARine Biodiversity Exploitation and Conservation (UMR MARBEC), Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Environnement Ressources d'Arcachon (LERAR), Unité Littoral (LITTORAL), Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), Laboratoire des Sciences de l'Environnement Marin (LEMAR) (LEMAR), Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Institut Universitaire Européen de la Mer (IUEM), Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)
Format: Book Part
Language:English
Published: HAL CCSD 2019
Subjects:
[SDV]Life Sciences [q-bio]
Crassostrea gigas
Online Access:https://hal.science/hal-04309595
https://doi.org/10.1007/978-3-030-00138-4_27
Description
Summary:Japanese oysters spatfields were recently discovered in the French Mediterranean Thau lagoon farmed for shellfish. This discovery led to interesting issues concerning research for a highly seashell exploited ecosystem . The analyses of various environmental parameters characterized favorable sites and periods for spat collection. Spat collection in Thau lagoon presented high temporal and spatial heterogeneities related to hydrodynamic, predation, competition and trophic resource variability. Here, the results highlight various explicative factors of the Japanese oysters recruitment within Thau lagoon and underline the high ecological variability in the studied system under oligotrophication.

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