Step # 1 - excess nutrients enter the water ways, Step # 2 - nutrients promote plant growth, especially algae, Step # 3 - algal bloom occurs, Step # 4 - algae die and are decomposed by bacteria, Step # 5 - decomposition of algae increases the demand for oxygen, Step # 6 - the oxygen levels start dropping, Step # 7 - fish and other aquatic life forms die,

Process of Eutrophication

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恢復自動保存: ?