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Sea Grant Zebra Mussel Update: A 1995 Report Of Research
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1995
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Description:The zebra mussel, "Dreissena polymorpha," is presumed to have entered Lake St. Clair in 1985 or '86, having been transported there by transoceanic ships that released contaminated ballast water taken up in foreign ports. In 1988 the mussel was reported in Lake Erie, and was on its way to infest the Illinois, Ohio, and Mississippi River watersheds. Texas, Florida, and Maine are now preparing for the zebra mussel, given the incredible speed of its dissemination to Oklahoma, Alabama, and the northernmost reaches of Vermont. They colonize every available surface, including themselves. Their accumulated weight has sunk marker buoys; they line the inside surface of water intake pipes reducing water flow to a trickle. Damage to physical property may approach billions, but arguably the mussel's greatest effect is on the environment. Because they eat plankton, zebra mussels disrupt the food web, from the bottom up. They are presumed to have contributed to, if not actually caused, blooms of toxic algae. And wherever they take up residence, they have wiped out native mollusks by colonizing their shells, and causing them to starve. This report, created by Ohio Sea Grant for the Sea Grant network, documents the results of Sea Grant-funded research on the zebra mussel and its possible control or mitigation. Furthermore, because Sea Grant's national focus has expanded to include other aquatic nuisance species, research on another Great Lakes invader, the ruffe, has been included. Results of Sea Grant research are transferred to the public in the form of 'outreach' materials. Part 2 of this report will provide these results.
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Sea Grant Document Number:OHSU-Q-95-001
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Rights Information:Public Domain
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Compliance:Library
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