The document suggests eight possible courses of action, the most expensive of which will take 25 years and cost over $18 billion to complete.
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On Monday, the US Army Corps of Engineers submitted to Congress a long-awaited report on options to keep Asian carp out of the Great Lakes. Formally titled the “Great Lakes and Mississippi River Interbasin Study” (GLMRIS), it sought to determine potential solutions to the threat that Asian carp present to the largest group of freshwater lakes in the world. The document suggests eight possible courses of action, the most expensive of which will take 25 years and cost over $18 billion to complete.
Asian carp are a highly invasive freshwater species first imported to the United States in the late 1960s. The fish were used primarily in aquaculture to control plant growth, but it did not take long for some to escape into the Mississippi River. Asian carp quickly colonized the waterway and began spreading to connected rivers, eventually reaching the Illinois River and Chicago Area Waterway System. From there, it is a simple hop to Lake Michigan.