长江水质的区域差异与产业发展的关系

长江水质状况受到河流自然属性和流经区域产业特点的综合影响，区域差异十分明显；长江入江污水量的时空分布与沿江各省市产业发展水平及年际变化有密切关系；长江流域经济发展应与保护水质相协调，为控制污染，必须实施一整套相关对策。

Relationship between Regional Differences of Water Quality and Industrial Development in the Yangtze River

Water quality in the Yangtze River is conditioned by both the river physical nature and industrial characterictics of the river valley so as to cause regional differences obviously.The spatial and time distribution of sewage which discharged into the Yangtze River is closely related to industrial development level and their changes yearly of the provinces along the river.Economic development of the Yangtze River valley should acclimatize protecting water quality of the river.We must implement a set of countermeasures to control water pollution.