But fundamental measure is to strengthen pollution source control, reduce pollutant load and control sewerage total amount.

但根本的措施仍然是加强污染源治理，减少污染负荷，控制排污总量。

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While a wetland with little research or understanding of the pollution will help to reduce the pollutant load, treatment wetlands are much more effective with a proper understanding of the water.

湿地或多或少能减少污染负荷，处理湿地要求对水的了解更深、处理污染的效率更高。

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