长江三峡水利枢纽工程为世所瞩目,因其规模宏巨、影响深远,兼容发电、防洪与航运多方效益,对沿江乃至全流域的生态、环境产生一系列变化和影响,是经济和社会效益必须兼顾的巨系统工程,为其如此,故引起国内外各界普遍关注。对待这样大的工程当然要进行多方面的科学论证。由国家科委下达,中科院负责主持的三峡工程前期重大科研项目 Due to its grand scale, far-reaching impact, multiple benefits of power generation, flood control and shipping, the Three Gorges Project of the Yangtze River has attracted worldwide attention. It has a series of changes and impacts on the ecology and environment along the Yangtze River and even the whole basin. It is necessary for economic and social benefits Taking into account the giant system engineering, for its sake, it caused widespread concern at home and abroad. Of course, there are many scientific justifications for such a big project. By the State Science and Technology Commission, the Chinese Academy of Sciences is responsible for hosting the Three Gorges Project major scientific research projects