After Ashland dam removal, freshwater mussel species reintroduced to South Anna River
For about 200 years the Ashland Mill Dam, about a half-hour north of Richmond, blocked many fish from moving through the South Anna River. Without fish like herring to attach their larvae to, a freshwater mussel species known as the alewife floater disappeared from the waterway, making them “functionally extinct” in the area, according to […]
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