基于县域单元的我国水稻生产时空动态变化

王小慧,姜雨林,刘洋,卢捷,尹小刚,史磊刚,黄晶,褚庆全,陈阜

Spatio-temporal Changes of Rice Production in China Based on County Unit

Xiao-Hui WANG,Yu-Lin JIANG,Yang LIU,Jie LU,Xiao-Gang YIN,Lei-Gang SHI,Jing HUANG,Qing-Quan CHU,Fu CHEN

表1 各稻作区水稻种植产量、面积比例和单产变化

Table 1 Changes of yield and proportion of production and planting area of every regionalization of rice cropping

稻作 Regionalization	年份Year
稻作 Regionalization	1985	1990	1995	2000	2005	2010	2015
产量比例Proportion of production (%)
华南 South China	12.77	13.41	13.45	13.15	11.08	9.63	9.57
华中Central China	71.44^*	69.07^*	68.11^*	64.83^*	65.50^*	63.70^*	62.91^*
西南 Southwest	7.51	7.26	7.70	8.54	8.72	7.98	7.59
华北 North China	3.86	4.41	4.72	5.08	5.00	5.69	5.50
东北 Northeast	3.95	5.22	5.36	7.48	8.85	11.84	13.39
西北 Northwest	0.46	0.63	0.66	0.92	0.84	1.15	1.04
面积比例 Proportion of rice-planting area (%)
华南 South China	16.27	15.89	15.53	14.87	12.96	12.39	11.71
华中Central China	67.66^*	66.61^*	66.43^*	64.08^*	64.95^*	63.26^*	61.99^*
西南 Southwest	8.48	8.10	8.14	8.65	8.80	8.17	8.30
华北 North China	3.35	3.80	3.97	4.62	4.59	4.84	4.69
东北 Northeast	3.83	4.96	5.26	6.84	8.01	10.37	12.41
西北 Northwest	0.42	0.64	0.68	0.93	0.71	0.98	0.89
单产水平Yield (kg hm^-2)
华南 South China	4040	4767	5372	5799	5597	5405	5854
华中Central China	5429^*	5934^*	6364^*	6788^*	6623	6893	7073
西南 Southwest	4684	5295	5952	6659	6564	6847	6572
华北 North China	3806	5428	6167	6338	6594	7180^*	7044
东北 Northeast	4746	5502	5870	6526	6766	7103	7209
西北 Northwest	4401	4898	5551	5889	7327^*	7040	7507^*