Invasion
Invasion Description
1st record: Isle de Groix, (Brittany)/France/Atlantic Ocean (1983, Castric-Fey et al. 1993); Isle of Ushant (1983, Castric-Fey et al. 1993), St. Malo (Brittany)/France/Atlantic Ocean (1983, Castric-Fey et al. 1993); widespread on the coast of Brittany//France/Atlantic Ocean
Undaria pinnatifida was deliberately planted for attempted cultivation by IFREMER (French Institute for Exploration of the Seas), and persisted around cultivation sites after cultivation was abandoned (Castric-Fey et al. 1993; ; Flo'ch et al. 1996).
Geographic Extent
Isle de Groix, (Brittany)/France/Atlantic Ocean (1983, Castric-Fey et al. 1993; Flo'ch et al. 1996); Isle of Ushant (1983, Castric-Fey et al. 1993; 1987, Flo'ch et al. 1996), St. Malo (Brittany)/France/Atlantic Ocean (1983, Castric-Fey et al. 1993; Flo'ch et al. 1996) ; Groix-Granville (Brittany)/France/Atlantic Ocean (1983, Castric-Fey et al. 1993; Flo'ch et al. 1996); Jersey/Channel Islands (Fletcher and Farrell 1999)
Vectors
| Level | Vector |
|---|---|
| Probable | Fisheries Intentional |
Regional Impacts
| Economic Impact | Fisheries | |
| Undaria pinnatifida was harvested for the food industry (4 tons of algae collected from algoculture in Brittany in 2008) (Stiger-Pouvreau and Thouzeau 2015). | ||