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Origin and route of establishment of the invasive Pacific oyster Crassostrea gigas in Scandinavia ArchiMer
Faust, Ellika; Andre, Carl; Meurling, Sara; Kochmann, Judith; Christiansen, Henrik; Jensen, Lasse Fast; Charrier, Gregory; Laugen, Ane T.; Strand, Asa.
Identifying the routes and rates of introductions is fundamental for the understanding of marine invasions. Recurring introductions over the last 50 yr have led to the establishment of feral Pacific oyster Crassostrea gigas populations throughout Europe. In the northern countries, Sweden and Norway, the species first occurred in large numbers in 2006. Here, we investigated the relative importance of introduction via re-laying of cultured oysters imported for consumption from France, Ireland or the Netherlands, and dispersal of oyster larvae by ocean currents from wild oyster populations in Denmark. Using microsatellite DNA markers, we estimated genetic differentiation among Pacific oysters collected at 4 Swedish locations, 3 Norwegian locations and 9...
Tipo: Text Palavras-chave: Population genetics; Microsatellites; Range expansion; Non-native species; Aquaculture; Connectivity; Scandinavia; Skagerrak.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00395/50627/72574.pdf
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