Isle Royale National Park Officials Trying to Protect Lake Superior from Non-Native Species
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Non-native species that arrive in the Great Lakes via ballast waters are a substantial threat to the native fisheries in the lakes. At Isle Royale National Park, officials are implementing regulations with hopes they'll reduce the numbers of non-natives that infiltrate Lake Superior.
- By Kurt Repanshek - October 1st, 2007 3:00pm