hypertrophication |
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navigate by keyword : algae bed biomass chemical contaminated danger decomposition detergents dirty discharge ecology environment eutrophic eutrophication fertilizers green hypertrophication industrial liquid mucky natural nature nobody nutrients overgrowth polluted pollution pond river riverbed sewage sewers sludge small spill stagnant stream surface toxic undegoing waste water |
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Stream bed of a small polluted river undegoing eutrophication, covered by an overgrowth of algae |
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