科尔沁沙地农田面积变化特征与沙尘源治理对策
王宁, 丛安琪, 陈雪萍, 刘新平

The characteristics of farmland area changes and dust source control in the Horqin Sandy Land
Ning Wang, Anqi Cong, Xueping Chen, Xinping Liu
图3 科尔沁沙地近30年来各土地利用类型所占比例变化21
Fig.3 The changes in the proportion of various land use types in the Horqin Sandy Land over the past 30 years21