乌兰布和沙漠东北部主要土地利用类型的动态变化分析

DYNAMIC CHANGE OF MAIN LAND UTILITY TYPES OF NORTH-EAST WULANBUHE DESERT

本文利用RS和GIS技术 ,从土地利用和土壤演化的角度 ,对乌兰布和沙漠东北部区域的沙区和灌区土地进行了类型划分 ,共分为 5个类型 8个亚类。并对各土地利用类型 3个年代的面积变化趋势进行了数量化分析 ,对引起变化的原因进行了阐释。该文的结果对乌兰布和沙漠东北部分区有效治理、合理保护自然资源 。

Based on land use and soil evolvement, the desert region and irrigation region of north-east Wulanbuhe desert were divided into 5 types and 8 subtypes by applying RS and GIS technology, their change trends were analyzed and the cause of these changes was explained. Result of the study may be applied to instruct controlling desert and protecting natural resource availabilitily, and be provided with practice meaning to resolve contradiction of utility and reserve in that region.