【摘要】 内蒙古的乌梁素海近年来出现了严重的富营养化现象,入湖的营养源主要有工业污染源、农业面源、城市生活废水。由于该湖主要水源为农田退水,而且城市生活废水和工业污染源都是经过河套灌区的总排水渠流入乌梁素海,本文通过调查河套灌区农田氮磷的流失量及估算向乌梁素海的输入量,确定各污染源的入湖量,特别是农田面源的入湖量对乌梁素海的富营养化防治是非常重要的。更多还原

【Abstract】 Through investigation of loss of farmland Nitrogen and Phosphorus of He Tao Irrigation Area and estimation of discharge into Wu Liang Su Hai lake,the influx of pollutants of Wu Liang Su Hai lake are identified,especially the influx for agricultural area source pollution.It is im portent for prevention and control of eutrophication.更多还原