Species Regional Summary
Didemnum vexillum
Tomales Bay ( P110 )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Record: CA/Tomales Bay (2001, Bullard et al. 2007)

Geographic Extent

CA/Tomales Bay (2001, Bullard et al. 2007; 2011, California Department of Fish and Wildlife 2014); Clark/CA/Tomales Bay (2004, de Rivera et al. 2005a); Marshall/CA/Tomales Bay (2004, de Rivera et al. 2005a); Miller Park/CA/Tomales Bay (2004, de Rivera et al. 2005)a; Sacramento Landing/CA/Tomales Bay (2004, de Rivera et al. 2005a); Thomas Station/CA/Tomales Bay (2004, de Rivera et al. 2005a)

Vectors

Level Vector
Alternate None
Alternate Oyster Accidental

Regional Impacts

Ecological ImpactCompetition
Didemnum vexillum overgrowth had a modest effect on the growth of eelgrass (Zostera marina blades in mesocosms filled with water from Tomales Bay (Long and Grosholz 2015).
 
Ecological ImpactHabitat Change
Didemnum vexillum faciltated growth of invertebrates (polychaetes and tanaids) on eelgrass blades (Long and Grosholz 2015).
 

References

Full Reference List for Didemnum vexillum

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