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
Methods for reconstructing historical grassland cover across western China: A case study in Gansu, Ningxia, Qinghai and Xinjiang
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 |
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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4 1661—1980年甘宁青新区草地面积变化 |
| Fig. 4 Changes in grassland area of Gansu, Ningxia, Qinghai and Xinjiang from 1661 to 1980 |
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