The aeolian desertification is a land degradation characterized by wind erosion mainly resulted from the excessive human activities in arid, semiarid and part of sub-humid regions in Northern Chian.
沙漠化是干旱、半干旱及部分半湿润地区由于人地关系不相协调所造成的以风沙活动为主要标志的土地退化。
The main cause of desertification is overgrazing and its leading indicator is the form of aeolian landform, by which the grade of desertification is determined.
首要的是风沙地貌特征，沙漠化土地的分级主要依此而定。
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