Invasion
Invasion Description
1st record: OR/Coos Bay (1949, Barnard 1954, cited by Carlton 1979)
Geographic Extent
CA/Humboldt Bay (2001, Fairey et al. 2000); Crescent City/CA/Pacific Ocean (2001, Fairey et al. 2000); OR/Coos Bay (1949, Barnard 1954,cited by Carlton 1979); Charleston/OR/Outer Boat Basin, Coos Bay (Carlton 1989, Conlan 1990); Humboldt Bay; Naselle River Bridge/WA/Willapa Bay (Cohen et al. 2001)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Hull Fouling |
| Alternate | Oyster Accidental |