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| Spatial-Temporal Changes in Grain Production, Consumption and Driving Mechanism in China |
| XU Shi-wei, WU Jian-zhai, SONG Wei, LI Zhi-qiang, LI Zhe-min , KONG Fan-tao |
1.Key Laboratory of Digital Agricultural Early-Warning Technology, Ministry of Agriculture/Agriculture Information Institute, Chinese Academy of Agriculture Sciences, Beijing 100081, P.R.China
2.Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, P.R.China |
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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.
Abstract 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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Received: 19 October 2011
Accepted:
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| Fund: This work was supported by the Key Technologies R&D Program of China during the 12th Five-Year Plan period (2012BAH20B04), the National Natural Science Foundation of China (41201599, 41001108), the Natural Science Foundation of Shandong Province, China (ZR2009DL011) and the Social Science Foundation of China (08BJY113). |
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Corresponding Authors:
Correspondence XU Shi-wei, Tel: +86-10-82109902, E-mail: xushiwei@caas.cn
E-mail: xushiwei@caas.cn
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Cite this article:
XU Shi-wei, WU Jian-zhai, SONG Wei, LI Zhi-qiang, LI Zhe-min , KONG Fan-tao.
2013.
Spatial-Temporal Changes in Grain Production, Consumption and Driving Mechanism in China. Journal of Integrative Agriculture, 12(2): 374-385.
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