基于地貌分区的近30年中国粮食生产空间分异研究

王凯澄, 韩桐, 臧华栋, 陈阜, 薄晓智, 褚庆全

Spatial distribution of Chinese grain production in the past 30 years based on geomorphological division

WANG Kai-Cheng, HAN Tong, ZANG Hua-Dong, CHEN Fu, BO Xiao-Zhi, CHU Qing-Quan

表1 1985-2015年中国不同地貌类型粮食播种面积及产量集中度

Table 1 Grain planting area and yield concentration of different geomorphological division from 1985 to 2015 in China

地貌类型 Geomorphic types 国土面积比重 Proportion of land area (%) 不同年份粮食播种面积及产量集中度 Grain planting area and production concentration in different years (%) 1985 1990 1995 2000 2005 2010 2015 1985-2015 平原 Plain 22.9 AC 39.8 39.4 38.7 38.1 37.8 40.2 40.2 +0.4 PC 41.3 41.5 42.8 42.0 41.8 44.5 45.1 +3.8 台地 Terraces 13.1 AC 16.7 16.7 16.3 16.4 16.8 17.5 18.0 +1.3 PC 16.8 17.6 17.0 16.3 17.2 17.6 17.7 +0.9 丘陵 Hills 21.0 AC 14.9 15.0 15.0 15.4 15.7 15.5 15.5 +0.6 PC 14.7 14.8 14.3 14.4 15.3 14.6 14.4 -0.3 山地 Mountain 43.0 AC 28.6 29.0 30.0 30.1 29.8 26.9 26.3 -2.3 PC 27.1 26.2 26.0 27.3 25.7 23.4 22.8 -4.3