期刊论文

中文

中国农业资源与区划

1005-9121

2018

39

3

1-8

10.7621/cjarrp.1005-9121.20180301

国家社会科学基金重大项目

本校为第一机构

[目的]当前中国各地区资源禀赋、社会经济、政策等因素存在较大差异,粮食供求区域性和品种性矛盾将成为未来一个时期内中国粮食必须面临的现实情况,必须进一步了解中国粮食生产和粮食消费的格局演变状态,探索在新形势下保障国家粮食安全的新思路。[方法]以省级行政区为单位,选择不同样本数据(省级粮食产量、消费量),通过空间经济学重心模型对2000 ~ 2014年全国稻谷、玉米和小麦的生产和消费的重心进行测算,同时运用地理信息系统(GIS)对3种作物的生产和消费重心运行轨迹进行描绘并对其生产重心和消费重心的耦合性进行测算。[结果]粮食生产和粮食消费的空间匹配性在不断下降,空间布局和粮食利益矛...

Based on great differences in resource endowments,socio-economic and policy factors in different re-gions of China,there is an unavoidable problem of the regional difference in grain supply and demand and the con-tradiction of varieties in the future. It is necessary to understand the pattern of grain production and grain consump-tion in China furtherly,and to explore the new situation in the new situation to protect the national food security i-deas. This paper selected different sample data of provinces, and calculated the gravity center of production and consumption of rice,corn and wheat f...