Species Regional Summary
Dreissena bugensis
_CDA_L095 (Cedar-Portage) ( L095 )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Record: off the southeast shore of North Bass Island/OH/Lake Erie (western basin) (USGS Nonindigenous Aquatic Species Program 2012)

Geographic Extent

off the southeast shore of North Bass Island/OH/Lake Erie (western basin) (USGS Nonindigenous Aquatic Species Program 2012)

Vectors

Level Vector
Probable Ballast Water

Regional Impacts

Ecological ImpactHabitat Change
In transects off North Bass Island, abundance of benthic invertebrates was much greater in and around dreisssenid mussel colonies (dominated in biomass by D. bugensis, numerically by smaller D. polymorpha) compared with bare sediment. Among organisms strongly associated with mussels were amphipods (Gammarus fasciatus; Echinogammarus ischnus), copepods, ostracods, and Hydra sp. Dreissenid mussels provide shelter, structure for attachment, and also enrich the sediment with pseudofeces (Bially and MacIsaac 2000).
 

References

Full Reference List for Dreissena bugensis

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