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California may be next!
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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
Damage by the Zebra Mussels
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Planktonic larvae allow Zebra Mussels to spread quickly and to settle in small places. They have clogged a three foot diameter pipe in less than three months.
Zebra Mussel clogging pipe

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URL:http://sfbay.wr.usgs.gov/benthic_eco/exotic_species/next_drain.html
Page Last Modified: Thursday, 13-Dec-2007 12:21:11 PST