中国西部地区历史草地面积重建的方法——以甘宁青新区为例

杨帆, 何凡能, 李美娇

Methods for reconstructing historical grassland cover across western China: A case study in Gansu, Ningxia, Qinghai and Xinjiang

YANG Fan, HE Fanneng, LI Meijiao

图2 土地垦殖前草地潜在分布范围确定流程

Fig. 2 Flow chart for establishing the potential distribution extent of grassland vegetation without land reclamation