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《Scientia Geographica Sinica》 2018-06
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The Evolutionary Trend and the Coupling Relation of Gravity Center Moving of County-level Population Distribution, Economical Development and Grain Production During 1990-2013 in Henan Province

Gao Junbo;Xie Wenquan;Han Yong;Zhang Yongxian;Chen Jianhua;College of Geographic Sciences/Center of Targeted Poverty Alleviation and Rural Revitalization, Xinyang Normal University;Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences;Institute of Surveying and Mapping, Information Engineering University;  
The dynamic moving and spatial coupling of gravity center of county-level population distribution,economic development,and grain production in Henan Province has been researched in this article, and discussed the relationship between social development and above three factors based on the social theory, gravity center calculation and spatial coupling analysis model. The result showed that the spatial gravity centers of county-level economical development, population distribution and grain production have been moving in the north of geometric center of Henan Province. The consistency level changed sharply, and the spatial inconsistency pattern was very significant during the past 23 years. Before 2000, the spatial coupling level between county-level population distribution and grain production was high, and after 2000, the spatial coupling level changed among the gravity center of county-level economic development, population distribution and grain production. The gravity center of grain production and economic development moved oppositely in the southeast-northwest direction, and the influence of grain production to the gravity move of economic development has been decreasing, while the coupling level between the gravity centers of population distribution and economical development has been increasing during the same time. The social development in the eastern Henan shows a low-level spatial equilibrium with the coexistence of inversion phenomenon between grain production and government receipts and grain production and people's livelihood. The social development level in rural counties obviously lags behind that in urban areas. The spatial pattern of social inequality at county level in Henan driven by the factors, such as regional economic development, social policies, spatial strategy, and path dependence, is tabbed the constitutive characteristic in the period of comprehensive socioeconomic transformation in China. Consequently, two steps on how to improve the county-level population distribution, economic development and grain production are proposed. On the one hand, based on the cognitive of China breadbasket, the farmland protection, technical support, policy tilt to grain yield should be forcefully developed to ensure the grain production scale in Henan and regional grain safe. On the another hand, some reasonable policies must be proposed to encourage the deep process of agricultural products and foster the development of township enterprise, to accept more surplus labor in rural society.
【Fund】: 国家自然科学基金项目(41401171);; 河南省哲学社科规划项目(2017BSH009);; 河南省科技厅科技攻关(社会发展类)项目(182102310988);; 信阳师范学院“南湖学者奖励计划”青年项目资助~~
【CateGory Index】: C924.2;F127;F326.11
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