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根据密云县自然地理特征、社会经济、水土流失及治理状况,分析了水土保持及水源保护存在的问题,论述了生态清洁小流域建设的思路、原则和模式,并结合生态清洁小流域实践,对生态清洁小流域建设管理中的问题等进行了讨论,提出了以水源保护为中心,以大河流域为骨架,以小流域为单元,从水库一级保护区向二三级保护区推进,形成由中心向外扩展的生态保护圈。构成“生态修复防线、生态治理防线和生态保护防线”。达到保持水土、保护水源、改善环境、促进生产的目的。
According to the natural geographical features, social economy, soil and water loss and governance in Miyun County, the problems existing in soil and water conservation and water source protection are analyzed. The train of thought, principles and modes of eco-clean small watershed construction are discussed. Combined with the practice of ecological clean watershed, The problems in the construction and management of ecologically clean small watersheds are discussed. It is put forward that taking water source protection as the center, taking the large river basin as a skeleton and taking the small watershed as a unit, it advances from reservoirs to the secondary and tertiary protection areas, The center of the ecological protection circle outward expansion. Constitute a “line of ecological restoration, ecological control and ecological protection line of defense.” Achieve the purpose of maintaining soil and water, protecting water sources, improving the environment and promoting production.