Invasion
Invasion Description
1st Record: Gdansk/Dead Vistula lagoon (2000, Grabowski 2006); Genetic studies indicate that Baltic animals come from the Mediterranean-Black Sea, form, type III of Reuschel et al. 2010.
Geographic Extent
Gdansk/Dead Vistula lagoon (2000, Grabowski 2006; Reuschel et al. 2010; Jablonska-Barna et al. 2013);); Poland/Gulf of Gdansk (2002, Janas 2004, cited by Grabowski 2006); 11 locations on Pomeranian Coast, Szczecin to Puck/Poland/Baltic Sea (2004, Grabowski 2006); Jurmo/Finland/Baltic Sea (before 2011, Vesakoski 2011, 59.833334 N, 21.6166649 E); Estonia/Baltic Sea (7/2011, Henn Ojaveer, in ICES Advisory Committee on the Marine Environment 2012)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Canal |
Regional Impacts
| Ecological Impact | Competition | |
| Palaemon elegans has largely replaced the native Palaemon adspersus and Palaemonetes varians at many locations in the southeastern Baltic (Grabowski 2006). | ||