明代省域耕地数量重建及时空特征分析

李美娇, 何凡能, 杨帆, 赵亮

Reconstruction of provincial cropland area and its spatial-temporal characteristics in the Ming Dynasty

LI Meijiao, HE Fanneng, YANG Fan, ZHAO Liang

图6 明代典型时点土地垦殖率空间分布图

Fig. 6 The spatial distribution of reclamation rate in AD 1393 and 1583