云南省水土流失概况及其防治对策

云南省是我国水土流失灾害严重的省之一。加大水土流失治理力度,保持水土资源,恢复、重建与保护生态环境是云南实施西部大开发战略面临的一项艰巨而紧迫的任务。介绍了云南省水土流失的现状、危害及其发展趋势,并在分析其成因的基础上,提出了以实施大江大河流域防护林体系建设、天然林保护、退耕还林、封山育林和小流域综合治理等为主体的生态环境重点工程建设的防治策略。

Soil and Water Loss and Countermeasures in Yun'nan Province

Yun'nan is one of the provinces with serious soil and water loss in China. To strengthen the soil and water loss control, soil and water resources conversion, rehabilitate, rebuild and safeguard ecological environment, are the difficulty and urgent task of Yun'nan province in the course of implementation of the great west development strategy in western China. The current states, endangerment and tendency of soil and water loss in Yun'nan province are introduced based on the analysis of the formative cause of soil and water loss. The counter-measures of implementation of key engineering construction are proposed, which are construction of protecting forest system in great river watershed, conversing cultivated land into forest, protection of natural forest, closing land for reforestation and integrated small watershed management as the main body of eco-environmental construction.