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| The History and Effects of Exotic Species in San Francisco Bay |
| San Francisco Bay Project, Water Resources Division |
| J. Thompson, F. Parchaso, A. Alpine, J. Cloern, B. Cole, O. Mace, J. Edmunds, J. Baylosis, S. Luoma, F. Nichols |
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| Extent of damage by the Zebra Mussels |
Click on the left arrow  to go back to "California may be next!". |
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The Zebra Mussel was introduced into the Great Lakes in 1986 by ballast water. It has spread rapidly throughout the midwest, but not west of the Continental Divide or east of the Appalachian Mountains.
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U.S. Department of the Interior |
U.S. Geological Survey
