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MICROBES AS POLLUTION INDICAION
Microorganisms can serve as bioindicators of pollution. Different species indicate various types of pollution and environmental conditions. Algae, lichens, worms and other microbes respond to changes in water quality, air pollution, nutrient levels and toxicity. Their presence, absence and behavior provide information about ecosystem health. Microbial communities in wastewater treatment processes also act as bioindicators, with different microbes present under varying pH, nutrient, oxygen and toxic conditions. Careful observation of bioindicator species allows effective monitoring of pollution levels and system performance.
