Invasion
Invasion Description
1st Record- Astoria/OR/Youngs River-Youngs Bay (1957, Carlton 1979; Wonham et al. 2005, on crayfish Pacificastacus trowbridgei)
Geographic Extent
Astoria/OR/Youngs River/Youngs Bay (Carlton 1979; Wonham et al. 2005, on crayfish Pacificastacus trowbridgei); Astoria/OR/West Mooring Basin, Columbia River (2002, Sytsma et al., 2005); OR/Youngs River Mouth (2002, Sytsma et al., 2005)
Vectors
Level | Vector |
---|---|
Alternate | Hull Fouling |
Alternate | Ballast Water |