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THE REGION DIFFERENCE OF RELATION BETWEEN POPULATION AND GRAIN AND FOOD SECURITY IN CHINA
Author(s): 
Pages: 1894-1897,1917
Year: Issue:  11
Journal: Economic Geography

Abstract: 基于粮食需求供给指数构建人粮关系分级评价标准,从全国、分省尺度定量评价了1949-2007年中国人粮关系演变的时空格局.在此基础上建立粮食生产变化模型,对主产区近年粮食生产变化的原因和区域差异进行分析,研究结果表明:①在国家层面上1949-2007年,中国人粮关系趋于改善,目前人粮关系处于低水平的紧平衡状态;②省域层面上1980-2005年,粮食盈余省份增多,粮食亏缺省份减少,人粮关系趋于改善,但...
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