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Old 05-06-2009, 01:21 PM   #1
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Default Great Lakes- Little quagga mussel has big impact on Lake Michigan

Little quagga mussel has big impact on Lake Michigan
April 28, 2009
By Jennifer Yauck

Little quagga mussel has big impact on Lake Michigan : The Bay View Compass
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In his lab at the Great Lakes WATER Institute, scientist Russell Cuhel places several quagga mussels into a beaker containing water tinted green with tiny algae. Within a half hour, the hungry mussels suck up virtually all the algae in the beaker, leaving the water clear.
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A similar scene plays out year-round on a much larger scale in Lake Michigan, where trillions of the invasive mussels have colonized rocky and sandy areas of the lakebed since the speciesí arrival less than a decade ago. These filter feedersí voracious appetites have transformed vast areas of the lake from cloudy to Caribbean clear. That may be a boon for divers and others who benefit from greater visibility in the water. But to scientists like Cuhel, itís a symptom of a dramatic shift in the lakeís food web.
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Old 05-06-2009, 11:40 PM   #2
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Excellent photo showing what the little boogers are up to in our water.
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