摘要
依据沙漠化发生发展的地域分异规律,遵循综合性、主导性和县域完整性原则,制定了包括沙漠化土地占地率等6个评价指标的沙漠化程度评价指标体系,建立了定量评价模型,利用最新数据对我国的沙漠化现有程度进行了程度判定与分区,共划分出8个轻度区、7个中度区和5个重度区。
Th is paper, based on the regional differentiation law of desertification development,established the assessment criteria system of degree judgment and regionalization of sandydesertification, gave the assessment model. and judged the regional degree of sandy desertification inChina by useing of new data, 20 regions were regionalized , including 8 slight regions,7 moderateregions and 5 severe regions.
出处
《中国沙漠》
CSCD
北大核心
1995年第2期170-174,共5页
Journal of Desert Research
基金
"八.五"项目阶段性成果
关键词
沙漠化
程度判定
分区
沙漠
Sandy desertifieation Degree Judgment Regionalization