水土流失现已公认是我国头号环境问题 ,它不仅破坏了生态环境 ,制约着社会经济的发展 ,而且是江河下游的水患之源。为此 ,党和国家对水土保持十分重视 ,从建国初期到如今 ,从毛泽东主席到江泽民总书记 ,分别曾为中国的水土流失问题做过重要批示。从全国来看 ,各地涌现出诸多水 Soil and water loss is now recognized as the top environmental issue in our country. It not only destroys the ecological environment, restricts the development of society and economy, but also serves as a source of floods in the lower reaches of the rivers. To this end, the party and the state attach great importance to water and soil conservation. From the early days of the founding of the People’s Republic until today, from Chairman Mao Zedong to General Secretary Jiang Zemin, they respectively gave important instructions on soil and water loss in China. From a national point of view, there is a lot of water everywhere