摘要
荒漠化是自然因素与人为因素共同作用的土地退化过程。民勤县的荒漠化类型主要有风蚀荒漠化和盐渍荒漠化。通过分析该县荒漠化的发展趋势及其成因 ,认为该地荒漠化土地在面积、程度上都在扩大和增强 ;荒漠化土地的形成是在自然因子配合的情况下 ,人为因素起了主导作用。对民勤县荒漠化的防治目标。
Desertification is a kind of land deteriorating procedure under the function of man and natural factors. Desertification types in Minqin county are mainly sandy desertification and salinized desertification. It shows that the desertification in Minqin county is still going on increasing its land area and enhancing degree through an analysis on development and formation of the desertification. The formation of land desertification has being developed mainly by the man factor with the cooperation of natural factor. The control objectives and specific steps are expounded respectively in the paper.
出处
《干旱区资源与环境》
CSSCI
CSCD
2000年第2期41-47,共7页
Journal of Arid Land Resources and Environment
关键词
民勤县
土地荒漠化
发展趋势
成因
甘肃
Minqin county,land desertification, development trend,causes, control.
