长江上游水土保持与流域跨世纪持续发展

Soil and water conservation in upper Yangtze region and inter-century continuous economic development in Yangtze Valley

１９８９年开始实施的长江上游水上流失重声、防治工程（“长治”工程）进展顺利，成效显著，协调了人口、资源、环境与发展的关系，是长江流域中西部广大山丘区建立高产优质高效农业和经济腾飞的基础设施及基础产业。“长治”工程的战略意义在于防治水土流失的基本点是开发利用和保护水土资源，是解决流域乃至我国粮食问题的重要途径，是治理开发长江、促进干流地区乃至流域跨世纪持续发展的依托，是流域中西部广大山丘区农村城市化的基础。

The key prevention-and-control project for soil and water conservation in upper Yangtze River,starting from 1989, runs smooth with remarkable achievements. It coordinates the relation of population, resources and environment to development,and is the infrastructure facility and fundamental industry for setting up high-yield, good-quality, high-benefit agricultue and for rapid development of economy in extensive mountainous and hilly areas in the central and western parts of Yangtze Valley. The strategic signifficance of the project is that the prevention and control of soil and water loss is the important approach to developing,utilizing and protecting soil and water resources and to solving problrms on food grain in this valley and even in the whole county,the prop to develop and harness Yangtze River and to promote the lasting development of the mainstream area and even the whole valley from this century to the next one,and is also the basis for the extensive central and western mountainous rural areas in the valley to be urbanized.