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今年5月,我随同湖北省科协组织的长江三峡资源开发、三峡水利枢纽生态效应多学科综合考察组,着重对长江三峡以上地区的水土流失情况进行了考察,现就这一问题谈一点粗浅的看法。一、概况长江是我国的第一条大河,也是世界大河之一。它发源于青藏高原唐古拉山主峰各拉丹东雪山西南侧,干流全长6,300公里,仅次于非洲的尼罗河和南美洲的亚马逊河,居世界第三位。河源至宜昌为上游,长约4,500公里;宜昌至江西湖口为中游,长约1,000公里;湖口至上海崇明
In May of this year, I followed the multi-disciplinary study group of Three Gorges Resources Development of the Three Gorges Reservoir in Hubei Province organized by the Association for Science and Technology in Hubei Province and the ecological effect of the Three Gorges Hydropower Project. The study focused on the water and soil loss in the areas above the Three Gorges of the Yangtze River. the opinion of. I. Overview The Yangtze River is the first big river in our country and one of the great rivers in the world. It originated from the southwestern side of the Lhasan East Snow Mountain, the main peak of the Tanggula Mountain in the Qinghai-Tibet Plateau. Its main stream is 6,300 kilometers long, second only to the Nile in Africa and the Amazon in South America, ranking third in the world. Heyuan to Yichang upstream, about 4,500 km; Yichang to Jiangxi Hukou as the middle reaches of about 1,000 km; Hukou to Shanghai Chongming