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. The major obstacle facing the biological approach is determining the baseline characteristics for biological communities for each type of water bodies. These results were reached through, investigating the biological and chemical aspects of the ecosystem and the relationship between the ecosystem and pollution. ... Resident biota ...

• Word Count: 1076
• Approx Pages: 4
• Grade Level: Graduate