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[1]XING Li,YAN Cuiping,YANG Pingguo,et al.Development of Grain Production and Research on Land Resources Restriction Constraints in Shanxi Province[J].Research of Soil and Water Conservation,2016,23(04):185-190,198.

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Development of Grain Production and Research on Land Resources Restriction Constraints in Shanxi Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 23 Number of periods: 2016 04 Page number: 185-190,198 Column: Public date: 2016-04-28

Title:: Development of Grain Production and Research on Land Resources Restriction Constraints in Shanxi Province

Author(s):: XING Li^1,3, YAN Cuiping², YANG Pingguo¹, LI Hongjun³; 1. School of Life Science, Shanxi Normal University, Linfen, Shanxi 041000, China;
2. Center for Agricultural Resources Research Institute of Genetics and Developmental Biology, Chinese Academy Of Sciences, Shijiazhuang 050000, China

Keywords:: land use; land resources constraints; land carrying capacity; Shanxi Province

CLC:: F062.1

DOI:: -

Abstract:: With the growth of population, the issues of land carrying capacity and food safety have attracted worldwide attention. Based on the relationship between population and grain production and the impact of land resources on population,we established a land resources constraint model series of index system and models to evaluate the capacity of land resources restriction for human population distribution in Shanxi Province using the data of grain production and population during the period from 1949 to 2012. In addition, the spatiotemporal features patterns of land resources restriction on population distribution in Shanxi Province were assessed comprehensively in the period from 2003 to 2012 at province, city prefecture and county levels with the goal of providing scientific foundation for the sustainable development of food and population. Limited degree, spatial pattern and changing pattern of land resources restriction on population pattern were also quantitatively revealed. The results showed that:(1) at the county level, the relationship between population and grain production tended to be improved from 2003 to 2012, about 42.2% and 65% of the counties in Shanxi Province were unaffected by land resources restriction respectively in 2003 and 2012; (2) at the city prefecture level, the relationship between population and grain production was improved from 2003 to 2012, the land resources constraints of land resources on production distribution had significant differences on provincial scale, and were at low level in the most of cities prefectures, the restriction degree of land resources on population distribution overall showed a downward trend at the city level during the period from 2003 to 2012; (3) at provincial level, the carrying capacity of land resources has been enhanced since 1949, the limited constraints degree of land resources on population distribution in Shanxi Province declined during the period from 2003 to 2012, down to 11.8 from 27.2 to 11.8 during the peripd from 2003 to 2012. On the whole, land resource constraints in 2012 were much smaller than those in 2003 compared to a great degree of reduction, as food surplus areas increased and overloaded land areas reduced during the period from 2003 to 2012, people tended to harmony.

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