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Registros recuperados: 3
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Analyse des pratiques, contraintes et performances d'élevage de l'huître creuse Crassostrea gigas, en 2001, sur différentes concessions en eau profonde de la Baie de Quiberon : enquête auprès de 18 concessionnaires et plongées sur 18 semis d'huîtres de 2 ans, en juin et octobre 2001 ArchiMer
Mazurie, Joseph; Foucart, Marie; Langlade, Aime; Bouget, Jean-francois; Fleury, Pierre-gildas; Joly, Jean-pierre; Martin, Anne-genevieve.
This study deals with rearing methods, growth and mortality performances, and problems encountered by the oyster farmers from Quiberon Bay (2800 ha of leases) : it relies on a survey achieved in july 2001, about 18 oyster farmers, and 2 diving campaigns (july and october 2001) on 2 years old oyster batches from the same farmers. The analysed enterprises vary in particular by the location and depth of their concession inside the bay, but also by their rearing scheme : a majority favours seedings with 18 month old oysters or more, according to prices and availability of oysters supplies. The duration until marketable size and mean mortalities seem to have increased since a preceding inquiry in 1986. The main constraint, affecting priorly the south border...
Tipo: Text Palavras-chave: Rearing practices; Density; Predators; Mortality; Growth; Bay of Quiberon; Crassostrea gigas; Cupped oyster; Pratiques culturales; Densité; Algues; Prédateurs; Mortalité; Croissance; Baie de Quiberon; Crassostrea gigas; Huître creuse.
Ano: 2002 URL: http://archimer.ifremer.fr/doc/2002/rapport-6103.pdf
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Les risques conchylicoles en Baie de Quiberon. Deuxième partie : le risque de prédation sur l’huître creuse Crassostrea gigas. Rapport final du projet Risco 2010-2013 ArchiMer
Mazurie, Joseph; Stanisiere, Jean-yves; Bouget, Jean-francois; Langlade, Aime; Leclerc, Emilie; Quinsat, Kevin; Herve, Gilles; Augustin, Jean-marie; Ehrhold, Axel; Sinquin, Jean-marc; Meidi-deviarni, Ika; Goubert, Evelyne; Cochet, Helene; Dreano, Alain.
This study (“Risco”), implicating both industry, socio-economic experts and biologists, was funded by the Regional Council of Brittany, for 3 years (2010-2012), to investigate about the causes of oysters (Crassostrea gigas) mortalities in the bay of Quiberon (South Brittany, France). The protocol including both a sonar and video visualization of the bottom, and a monthly survey of 15 experimental oyster structures, allowed to assess the risk due to predation. A clear spatial distribution of the predatory effect was evidenced, with starfish (Asterias rubens and Marthasterias glacialis) predominating in the North-East sector, and boring snails (Ocenebra erinacea and Pterophora inornata) in the South-Center area.. The main mortalities from these predators...
Tipo: Text Palavras-chave: Baie de Quiberon; Huître; Crassostrea gigas; Risque; Mortalité; Prédation; Étoiles de mer; Bigorneaux perceurs; Risco; Bay of Quiberon; Oyster; Crassostrea gigas; Risk; Mortality; Predation; Starfish; Oyster drills; Risco.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00180/29130/27534.pdf
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Pratiques culturales et mortalités d'huîtres creuses Crassostrea gigas en baie de Quiberon, en 2001-2002. Bilan des enquêtes, plongées et prélèvements sur 18 semis en 2001-2002 ArchiMer
Mazurie, Joseph; Langlade, Aime; Fleury, Pierre-gildas; Bouget, Jean-francois; Claude, Serge; Foucart, Marie; Bedier, Edouard.
This study is the second part of a former report rapport Ifremer DRV/RST/RA/LCB/2002-08 dealing with rearing methods, growth and mortality performances, and problems encountered by the oyster farmers from Quiberon Bay (2800 ha of leases) : the first report relied on a survey achieved in july 200l, about 18 oyster farmers, and 2 diving campaigns (july and october 2001) on 2 years old oyster batches from the same farmers. Il is now completed by a last campaign of diving in october 2002, on 7 parcels out of the 18, still bearing the initial oysters. The analysed enterprises vary in particular by the location and depth of their concession inside the bay, but also by their rearing scheme : a majority favours seedings with 18 month old oysters or more, according...
Tipo: Text Palavras-chave: Huître creuse; Crassastrea gigas; Baie de Quiberon; Croissance; Mortalité; Pratiques culturales; Rentabilité économique; Cupped oyster; Crassostrea gigas; Mortality; Rearing practices; Profitability; Bay of Quiberon; .growlh.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/00102/21322/18944.pdf
Registros recuperados: 3
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