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《Journal of Southwest University(Natural Science Edition)》 2019-01
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Spatial Coupling Relationship Between Farmland Fragmentation and Poverty in Karst Regions of Southwest China

LIU Yuan-li;LIAO He-ping;WU Xin-yu;GUO Qian;MAO Xin;LI Chang-hua;School of Geographical Science ,Southwest University;Southwest University Center for Targeted Poverty Alleviation and Regional Development Assessment;Panzhihua Municipal Bureau of Land Resources;Jinchuan County Branch of Agricultural Bank of China;  
In a study reported herein,agame theory-based optimization model was used to determine the weights of cultivated land fragmentation indexes,and the coupling coordination degree model was used to analyze the coupling relationship between cultivated land fragmentation and poverty.Spatial autocorrelation and hotspot analysis were employed to explore the spatial relationship between cultivated land fragmentation and poverty and divide their coupling types.Based on the results,a discussion was made of the poverty reduction models in Karst regions of southwest China.The results showed that both cultivated land fragmentation degree and poverty incidence rate were quite high in the study area,with obvious spatial agglomeration,and the spatial distribution of the two was relatively consistent,that is,they were higher in the northern region than in the southern region.The degree of coordination between cultivated land fragmentation and poverty presented a normal distribution,with a high degree of coordination as the main factor,obvious spatial agglomeration and large difference,and strong spatial coupling interaction and coordination between cultivated land fragmentation and poverty.According to the coupling relationship between land fragmentation and poverty,three types were identified:the land fragmentation lag type,the land fragmentation synchronization type and the poverty lag type and,accordingly,three poverty alleviation models were proposed,i.e.the land consolidation model,the characteristic agricultural model and the rural tourism assistance model,so as to coordinate urban and rural development and promote targeted poverty alleviation.
【Fund】: 国家科技支撑计划项目(2013BAJ11B02);; 重庆市教育委员会人文社科类重点项目(16SKGH250);重庆市教育委员会科技项目(KJ1603202)
【CateGory Index】: F323.211
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