摘要
长江水质评价得出三个层次的结论：①长江干流水质尚好；②大中城市段已出现岸边污染带；③长江沿岸城市内河已严重污染。沿江产业带的发展有加重长江污染的趋势。为保护长江水质，长江产业带的经济发展必须控制在合理的速度，进行产业结构优化；合理产业布局；改进工艺技术；增加污染处理投资；进行环境综合治理和加强管理。
The basic characters of modern urban geology disasters have been summarized in this paper.Based on the fact that environment urban society is a system,urban geology disasters characters of our country in the course of economy,socity sustainable development have been analysied.The purpose of this paper is try to provide some help for urban defense system building and sustained,steadility,harmonious development of the society.
出处
《大自然探索》
1997年第3期97-101,106,共6页
Discovery of Nature
关键词
长江
水污染评价
产业带开发
urban
sustainable development
geology disaster
