Few can question the benefits attributed to the ecological approach when used to monitor and evaluate pollution impact and extent. ... Chemical assessment can't be neglected since different ecosystems may react differently to different sources of pollution. ... These results were reached through, investigating the biological and chemical aspects of the ecosystem and the relationship between the ecosystem and pollution. ... Biological assessments provide integrated evaluations of water quality. ... A primary strength of biological criteria is the detection of water quality problems that ...

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• Approx Pages: 4
• Grade Level: Graduate