Zebra mussels are detrimental to the economy because they restrict the amount of other shellfish that can be harvested and sold and because they clog pipes.
Approximately 20 years ago, the Zebra Mussel was introduced into a new freshwater ecosystem in the great lakes of North America. Since that time, the Zebra Mussel has flourished in that environment, but its niche appears to have changed from being beneficial to the ecosystem to having a negative impact on it. Consequently, the Zebra Mussel is now an invasive species.
The Zebra Mussel is having a devastating economic impact as it spreads fast to other parts of the United States after being identified as an invasive species in the North American Great Lakes. by clinging to and clogging the pipes required to transfer water and drain sewage, and by consuming phytoplankton required to maintain the water's purity.
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