鄂尔多斯西部地区土地荒漠化（退化）及其防治研究──以公卡汗苏木为例

LAND DESERTIFICATION(DEGRADATION)AND CONTROL───A Case Study of Gongkalian,West Ordos

本文分析了鄂尔多斯西部地区荒漠化的现状及发展过程，划分了轻度、中度、重度和严重荒漠化阶段，并分出极易、较易、较难三种潜在荒漠化等级，分别测算了面积，做出了图表。说明了风蚀与水蚀过程的特征。阐述了自然因素与人为因素在土地荒漠化过程中的交互作用。提出了退耕还牧封沙育草、实行防风蚀耕作、发展灌溉农业、合理轮牧、保护植被等防治荒漠化的有效措施。

This paper,selecting Gongkahan Township in west Ordos Inner Mongolia asexample,deals with the land desertification of the arid and semiarid areas in China.Thedesertifies lands are divided into 4 stages by their intensities,slight medium,serious andquite serious;The lands potential to desertify are classified into 3 degrees according to thereliabilities to desertification,very easy,easy and difficult,The arca constitution ofdesertified lands and the lands potential to desertify the selected region is listed in a tablein the paper. The author also expounds the cocxisting effects on desertification processes.In the last part of the paper,effective measures are suggested for desertification(degradation) control.