毛乌素沙地沙漠化逆转过程中土壤组分及微量元素含量变化特征
冯佳新, 吴月茹, 乔硕, 刘茜雅, 王海兵

Characteristics of changes in soil components and trace element contents during the reversal of desertification in Mu Us Sandy Land
Jiaxin Feng, Yueru Wu, Shuo Qiao, Xiya Liu, Haibing Wang
表1 毛乌素沙地沙漠化土地分类
Table 1 Deserted land classification of Mu Us Sandy Land
沙漠化类型沙漠化差值指数DDI
非沙漠化>7.0
轻度沙漠化7.0~5.2
中度沙漠化5.2~4.9
重度沙漠化4.9~4.6
极重度沙漠化<4.6