Invasion
Invasion Description
1st Record: 2 miles south of Buffalo/NY/Lake Erie (1992, USGS Nonindigenous Aquatic Species Program 2008)
Geographic Extent
2 miles south of Buffalo/NY/Lake Erie (1992, USGS Nonindigenous Aquatic Species Program 2008)
Vectors
| Level | Vector |
|---|---|
| Probable | Ballast Water |
Regional Impacts
| Ecological Impact | Competition | |
| Replacement of Zebra Mussels (Dreissena polymorpha) by Quagga Mussels (D. bugensis) in deeper water of Lake Erie, off Dunkirk, NY was seen as early as 1994 (Mills et al. 1996). | ||
| Ecological Impact | Herbivory | |
| Reduction in chlorophyl a and increased light penetration, since the onset of the dreissenid invasions, was also seen in the eastern basin of Lake Erie (North et al. 2012). | ||