攀西地区水土流失及其防治对策——以攀枝花市米易县为例

依据 2次遥感调查水土流失资料和两次土地利用现状调查资料分析 ,米易县水土流失呈继续恶化状态 ,水土流失面积增加 ,强度增大 ,造成这一状况的主要原因在于陡坡垦殖、森林植被的破坏以及开发建设的弃土。防治对策应强化水土保持执法和相关政策法规的配套完善 ,并以小流域综合治理为核心 ,因地制宜地开展陡坡耕地退耕 ,加强农村能源建设 ,切实提高天然林保护工程的实效。

Soil and Water Loss and Its Controlling Countermeasures in Panxi Area --Case Study of Miyi County in Panzhihua City

Based on the remote sensing information on the soil and water loss and the data of land resource in 1980s and 1990s, the soil and water loss in Miyi County is showing in a worsened situation, the area and the strength of soil and water loss are increasing, cultivating on the steep slope land, cutting down the forest, destroying the plant cover and discarding soil in the process of development and construction are the major factors increasing the soil and water loss. On the countermeasures to control soil and water loss, the execution of the law on the control of soil and water loss should be strengthened, the law on the control of soil and water loss should be consummated, the control of soil and water loss should be carrying out the integrated conservation of the small basin as the kernel, reasonably using and protecting the steep slope land and enhancing the efficiency of protecting the natural forest through strengthening the construction of rural energy resources.