宣威市水土流失现状与治理对策

Present Situation and Control of Soil and Water Erosion in Xuanwei City of Yunnan Province

分析了云南省水土保持先进典型——宣威市的水土流失特点、现状及成因 ,以及重点治理以来在水土流失治理中的经验。认为在沟蚀严重地区实施生物谷坊 ,能够弥补砌石谷坊的缺点 ,降低成本 ;重点治理的水土保持区的正确划分能够使治理工作重点突出 ,预防和治理相结合。

The characteristics, present situation and causes of soil and water erosion in Xuanwei city, a model of soil and water conservation, in Yun'nan province are analyzed. The results indicate that the building of plant check dam in erosion gully is able to improve the way to harness the erosion gully and decrease the cost of soil and water control in severe soil erosion areas. The right classification of soil and water conservation will be useful to strengthen soil erosion control of the key area, and promote the combination between preventing and harnessing of soil erosion.