Invasion
Invasion Description
None
Geographic Extent
Denmark/Belt Sea 'Established and very common in all Danish waters' (Jensen and Knudsen 2005); Fehmarn-Rugen/Germany/Mecklenburger Bight, Baltic Sea (Forster and Zettler 2004); Rostock/Germany/Warnow Estuary (Wittfoth and Zettler 2013)
Vectors
| Level | Vector |
|---|---|
| Alternate | Fisheries Intentional |
| Alternate | Natural Dispersal |
| Probable | Dry Ballast |
Regional Impacts
| Ecological Impact | Herbivory | |
| Estimated filtration rates of Mya arenaria populations in the southwestern Baltic Sea, Germany, at 0.5-9 m depth indicate that that this clam can filter the entire water column in one day or less (Forster and Zettler 2004). | ||