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Spatial-Temporal Changes in Grain Production, Consumption and Driving Mechanism in China

文献类型： 外文期刊

作者： Xu Shi-wei 1 ; Wu Jian-zhai 1 ; Song Wei 2 ; Li Zhi-qiang 1 ; Li Zhe-min 1 ; Kong Fan-tao 1 ;

作者机构： 1.Chinese Acad Agr Sci, Key Lab Digital Agr Early Warning Technol, Minist Agr, Agr Informat Inst, Beijing 100081, Peoples R China

2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China

关键词： grain production;grain consumption;gravity center;driving mechanism

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）

ISSN： 2095-3119

年卷期： 2013 年 12 卷 2 期

页码：

收录情况： SCI

摘要： The spatial-temporal patterns of grain production and consumption have an important influence on the effective national grain supply on condition of tight balance in the total grain amount in China. In this paper, we analyze the spatial-temporal patterns of grain production, consumption and the driving mechanism for their evolution processes in China. The results indicate that both gravity centers of grain production and consumption in China moved toward the northern and eastern regions, almost in the same direction. The coordination of grain production and consumption increased slightly from 1995 to 2007 but decreased from 2000 to 2007. There is a spatial difference between the major districts of output increase and the strong growth potential in grain consumption, which indicates an increasing difficulty in improving the regional coordination of grain production and consumption. The movement of the gravity center of grain production is significantly correlated with regional differences in grain production policy, different economic development models, and spatial disparity of land and water resource use. For grain consumption, the main driving factors include rapid urbanization, the upgrade of food consumption structure, and distribution of food industries.

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