Species Regional Summary
Sphaeroma quoianum
San Pedro Bay ( P050 )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Record: San Pedro Docks, Los Angeles/CA/Los Angeles Inner Harbor (1927, Johnson and Snook 1927, cited by Carlton 1979)

Geographic Extent

San Pedro Docks, Los Angeles/CA/Los Angeles Inner Harbor (1927, Johnson and Snook 1927, cited by Carlton 1979); Island Yacht Anchorage, Los Angeles/CA/ Los Angeles Harbor (2000, Cohen et al. 2002);; Long Beach/CA/Colorado Lagoon (2000, Cohen et al. 2002);

Vectors

Level Vector
Alternate Hull Fouling
Alternate Ballast Water

Regional Impacts

Ecological ImpactHabitat Change

). In the Bolsa Chica Reserve, Huntington Beach CA, S. quoianum decreased carbon content in sediement, and increased erosion rates (Brown et al. 2022).

 

References

Full Reference List for Sphaeroma quoianum

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