太湖流域水污染对太湖水质的影响分析

从太湖地区(苏州、无锡、常州、杭州、嘉兴和湖州)的污染物排放量、水质监测结果，以及工农业发展、人口变化、人民生活水平的提高、东太湖萎缩，底泥中营养物的变化和湖泊生态系统失衡的特点入手，分析了太湖流域水污染现状。结果表明，工业废水排放量高于城镇生活废水排放量；太湖湖体、环湖河流水质与省、市边界断面主要超标项目分别为：总磷、总氮和氨氮；水体水质演变是由工农业迅速发展、人口过度增加、污染防治措施相对滞后，以及太湖水生态系统失衡等原因造成的。

Analysis on Effect of Water Pollution in Lake Taihu Basin on Water Quality of Lake Taihu

The actuality and evolvement reasons of water pollution in Lake Taihu basin were obtained by clearly analyzing the amount of pollutants discharged, monitoring results of water quality, development of industry and agriculture, change of population, amelioration of standard of living, depauperation of the eastern Lake Taihu, change of nutrient in mud and ecological system imbalance. This provided bases for understanding the pollution actuality and formulating countermeasures of pollution prevention in Lake Taihu.