Invasion
Invasion Description
1st Record: Charente-Maritime/France/Seudre estuary (1910, Chew 2001)
Geographic Extent
Brittany/France/Golfe de Morbihan (1939, Goulletquer, et al. 2002); Charente-Maritime/France/Seudre estuary (1910, Chew 2001); Charente-Maritime/France/Marennes-Oleron Bay (de Montaudouin and Sauriau 2000; Chew 2001)
Vectors
| Level | Vector |
|---|---|
| Probable | Fisheries Intentional |
Regional Impacts
| Economic Impact | Fisheries | |
| Fisheries for M. mercenaria became established in the Gulf of Morbihan and the Marennes-Oleron estuary by the 1960s (Chew 2001). | ||