摘要
沙漠化评价的原则、内容和方法紧密联系。沙漠化研究内容决定其评价内容。沙漠化地图的合适信息负载量，决定各种比例尺的沙漠化评价指征的详细程度，也决定沙漠化分级数与分类数。分级数的下限是沙漠化允许值。
The principle and content and mothed of desertification assessment are interrelated,The suitable information load of desertification map decides the its severity degrees and classification, Some examples were given in the paper.
出处
《中国沙漠》
CSCD
北大核心
1994年第2期84-89,共6页
Journal of Desert Research
关键词
沙漠化
评价指征
允许值
基体理论
Desertification Assessment indicator Information load
