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[ |
Fig.3 The changes in the proportion of various land use types in the Horqin Sandy Land over the past 30 years[ |
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