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2 科尔沁沙地近30年来农田面积及所占比例

Fig.2 The changes in cropland area and its proportion in the Horqin Sandy Land over the past 30 years