清末民国时期新疆玛纳斯河流域耕地格局重建
张莉, 刘建杰

Reconstruction of cropland spatial patterns of the Manas River Basin of Xinjiang in the late Qing and Republican period
ZHANG Li, LIU Jianjie
图3 1909与1944年玛纳斯河流域耕地垦殖率
Figure 3 Cropland fraction of the Manas River Basin, 1909 and 1944