Species Regional Summary
Dreissena polymorpha
Atchafalaya/Vermilion Bays ( G220 )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Record: at Berwick/Bayou Vista Joint Waterworks/LA/Bayou Teche, about 1 mile from the confluence with the Atchafalaya River (1993, USGS Nonindigenous Aquatic Species Program 2012)

Geographic Extent

at Berwick/Bayou Vista Joint Waterworks/LA/Bayou Teche, about 1 mile from the confluence with the Atchafalaya River (1993, USGS Nonindigenous Aquatic Species Program 2012); ~12 mi SW of Morgan City/LA/Wax Lake (1995, USGS Nonindigenous Aquatic Species Program 2012)

Vectors

Level Vector
Alternate Natural Dispersal
Alternate Canal
Alternate Hull Fouling

Regional Impacts

References

2003-2022 Nonindigenous Aquatic Species Database. Gainesville, FL. http://nas.er.usgs.gov




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