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Issue 20
December , 2009
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Canal poisoned to keep off giant carp

Source: Natural Resources Defence Council,ENN, Date: December , 2009

State and Federal agencies have begun poisoning a nearly 6-mile stretch of the Chicago Sanitary Ship Canal to kill off invasive Asian carp while maintenance is performed on an electrical barrier intended to keep the fish out of Lake Michigan. The Lake’s ecosystem is already irreparably damaged by invasive species making the introduction of these new invasive fish a dire threat to the entire Great Lakes system. The fish can grow to 100 pounds in size and out-compete native species in an ecosystem due to their prolific breeding and ability to filter feed 40% of their body weight on a daily basis. Underscoring the threat, Governor Jennifer Granholm of Michigan today called for the re-opening of a nearly century-old case sitting before the U.S. Supreme Court regarding the Chicago Diversion to force immediate action around the carp issue.

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