Invasion
Invasion Description
1st Record: OR-WA/Columbia River Estuary (Emap Survey, 1999, Sytsma et al. 2004)
Geographic Extent
OR-WA/Columbia River Estuary (Sytsma et al. 2004); WA/Baker Bay, Ilwaco Harbor tideflat (7/9/2002, 46.3025, -124.0366,Sytsma et al. 2004); WA/Mid-Lewis and Clark River (10/2/2002, 46.1352, -123.8722, Sytsma et al. 2004);
Vectors
Level | Vector |
---|---|
Alternate | Hull Fouling |
Alternate | Ballast Water |
Alternate | Natural Dispersal |