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湿地对农业非点源污染的去除效应

Keywords: 湿地,非点源污染,,

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Abstract:

综合论述了湿地去除农业非点源污染的机理及影响营养物质净化的因素,指出农业非点源污染是引起地表水富营养化的主要因素,湿地生态系统作为农田与水体之间的一个过渡地带,可通过土壤吸附、植物吸收、微生物转化等一系列物理、化学和生物学作用降解地表径流中的氮磷营养物质,减轻地表水的污染。

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