GLIN Posted July 1, 2016 Share Posted July 1, 2016 Lake Superior held around half a million lake sturgeon before development, overfishing, hydropower construction and invasive species triggered a decline in population. Numbers are currently closer to 30,000, said Henry Quinlan, a fish biologist with the U.S. Fish and Wildlife Service office in Ashland. View the full article Link to comment Share on other sites More sharing options...
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