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Great Lakes Monitoring

Biology Indicators
Benthic Community Health


Abundance of Diporeia 1998

Goal: Diporeia populations meet SOLEC Criteria for abundance.

Status: Goal is met except in Lake Erie and Lake Ontario, Green Bay and Saginaw Bay.

Trends: Significant decreases seen in Diporeia populations in Lake Michigan.

Issues: Diporeia are a key component of the Lakes' food-chain.


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