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7 1393—1583年研究区土地垦殖率变化图

Fig. 7 Changes of reclamation rate in each province of the study area from 1393 to 1583