Monthly archive for October 2013

MAP: Specific differentiation between Mississippi Basin & Great Lakes Basin

From the document: Wabash – Maumee Connection Site Visit Field Report July 27, 2010  Prepared For: U.S. Environmental Protection Agency Great Lakes National Program Office  Click to access Wabash-Maumee-Field-Report_Final_small.pdf “Of primary concern are the Silver and Bighead carp which have been expanding their habitats within the Mississippi River basin for at least the past twenty years where they have decimated native fish populations by as much as 97 percent in some areas. These fish are currently threatening to enter the Great Lakes, a valuable fresh water resource.”   THIS is the specific location they are able to cross from the Mississippi via the Wabash to the Great Lakes via the St. Marys/Maumee. “Asian carp have been known to exist within the Wabash River for nearly 20 years. However, in May 2010 Indiana DNR observed Asian Carp eggs and spawning behavior much further upstream on the Wabash than was previously anticipated. The Wabash River was a “dead‐ end” for these fish as the Roush Dam prevents Asian carp from reaching the headwaters of the Wabash River. However, the Little River connects to the Wabash below the dam and its headwaters ebb into marshland on the southwestern edge of Fort Wayne, Indiana. Due

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Watershed Continental Divides in North America

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