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1概况水土流失既是生态问题,又是民生问题。水土流失造成土壤表土流失、肥力下降,水库淤积、河床抬高,草原“三化”、沙漠化扩大、沙尘暴加剧,滑坡、泥石流频发,水质污染等。因此,实施水土流失综合治理,封育保护林草,开展生态清洁型小流域建设,推动水土保持生态修复工作,具有十
1 Overview Soil and water loss is both an ecological issue and a livelihood issue. Soil and water loss causes soil topsoil loss, fertility decline, reservoir siltation, riverbed elevation, “three” grasslands, desertification, sandstorms, landslides, debris flow frequent, water pollution and so on. Therefore, the implementation of integrated management of soil and water loss, enclosure of forest and grass protection, development of ecologically clean small watersheds and promotion of ecological restoration of soil and water conservation, with ten