by Lee Bergquist, Milwaukee Journal Sentinel
A new study of a tiny organism that has infiltrated nearly two dozen Wisconsin lakes is the latest example of the expensive fight Great Lakes states are facing with the spread of aquatic invasive species.
A University of Wisconsin-Madison study concludes that the estimated cost of controlling a single invasive species, the spiny waterflea, in just one lake could range from $86.5 million to $163 million over 20 years.
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