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Algae Plagued Ohio Lake Could Get $5M Treatment
Article from The Tribune Chronicle
Warren, OH

Officials say the recovery of Ohio's largest inland lake, which was plagued by toxic algae, is off to a good start with recently announced state plans to provide up to $5M to treat the lake with aluminum sulfate.

Tom Knapke, the facilitator of the Grand Lake St. Mary's Restoration Commission, tells The Lima News that getting millions of dollars in federal funding through the Ohio Environmental Protection Agency is a solid step but won't cover everything local officials sought.

Manure and chemical runoffs led to high levels of phosphorus, which feeds the toxic blue-green algae found at Grand Lake St. Marys between Dayton and Toledo.  Alum Treatments - the biggest component of efforts to repair the lake - has lowered the phosphate levels at two of the three test sites.

 
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A Sound Way to Keep Out Invasive Carp? - University of Minnesota researcher Peter Sorensen and his team, including doctoral student Dan Zielinski, have discovered that the carp are sensitive to — and annoyed and deterred by — sounds not heard by most other fish. This information could be the key to stop the spread of bighead and silver carp in the Mississippi River.


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