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Mercury Levels Maintained: Invasive mussels keep mercury levels high in Great Lakes fish
-The spread of invasive zebra and quagga mussels in the Great Lakes started a chain of events resulting in high mercury levels in lake trout.
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International Joint Commission Calls for Improved Great Lakes Atmospheric Mercury Monitoring
-The International Joint Commission (IJC), concerned by the lack of sustained funding for the number of monitoring sites, is recommending…