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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Portuguese oyster ： ウィキペディア英語版 Portuguese oyster The Portuguese oyster, ''Crassostrea angulata'', is a species of oyster found in the southwest Iberian Peninsula, closely related to the Pacific oyster. Although first identified as a native European species, genetic studies〔(), Michinina S and Rebordinos L. 1997. Genetic differentiation in marine and estuarine natural populations of ''Crassostrea angulata''. Marine Ecology Progress Series. 〕〔(), Boudry P ''et al.'' 1998. Differentiation between populations of the Portuguese oyster, ''Crassostrea angulata'' (Lamark) and the Pacific oyster, ''Crassostrea gigas'' (Thunberg), revealed by mtDNA RFLP analysis. Journal of Experimental Marine Biology and Ecology.>〕 have suggested the Portuguese oyster originated from the Pacific coast of Asia〔(), Lapegue S, ''et al.'' 2004. Evidence for the presence of the Portuguese oyster, ''Crassostrea angulata'', in northern China. Journal of Shellfisheries Research.〕〔(), Boudry P ''et al.'' 1998. Differentiation between populations of the Portuguese oyster, ''Crassostrea angulata'' (Lamark) and the Pacific oyster, ''Crassostrea gigas'' (Thunberg), revealed by mtDNA RFLP analysis. Journal of Experimental Marine Biology and Ecology.〕 and was introduced to Europe by Portuguese trading ships in the 16th century. The species is usually found in coastal river mouths and estuaries. ==Commercial value== Prior to decimation by iridoviral disease in 1969,〔(), Gill Disease of Portuguese oysters. Fisheries and Oceans Canada.〕 ''C. angulata'' was extensively cultivated in France and Portugal as part of the edible oyster industry. The Pacific oyster, which is more resistant to the disease, was introduced in the 1970s and has since replaced ''C. angulata'' as the main commercial species. Currently, the Portuguese oyster is not cultured commercially. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Portuguese oyster」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.