Invasion
Invasion Description
1st Records: Moss Landing/CA/Old Salinas River Channel (1998, Wasson et al. 2001); South Marsh Trail/CA/Elkhorn Slough (1998, Wasson et al. 2001); CA/Whistlestop Lagoon, Elkhorn Slough (1998, Wasson et al. 2001); Kirby Park/ CA/Elkhorn Slough (1998, Wasson et al. 2001); Hudson's Landing/A/Elkhorn Slough (1998, Wasson et al. 2001)
Geographic Extent
Moss Landing/CA/Old Salinas River Channel (1998, Wasson et al. 2001; 2011, California Department of Fish and Wildlife 2014); South Marsh Trail/CA/Elkhorn Slough (1998, Wasson et al. 2001); CA/Whistlestop Lagoon, Elkhorn Slough (1998, Wasson et al. 2001); Kirby Park/ CA/Elkhorn Slough (1998, Wasson et al. 2001); Hudson's Landing/A/Elkhorn Slough (1998, Wasson et al. 2001)
Vectors
| Level | Vector |
|---|---|
| Probable | Hull Fouling |
Regional Impacts
| Economic Impact | Shipping/Boating | |
| Damage to plastic floats was extensive in San Francisco Bay and Elkhorn Slough, CA (Davidson 2012). | ||
| Ecological Impact | Habitat Change | |
| Boring by S. quoianum in plastic foam floats contributes to pollution by plastic particles, with adverse consequences to marine food webs (Davidson 2012). | ||