目录摘要.................................................................................................................................................................41绪论..............................................................................................................................................................51.1课题背景...........................................................................................................................................51.2课题研究意义...................................................................................................................................51.3国内外研究现状...............................................................................................................................51.4研究方法与技术流程.......................................................................................................................62分析江淮分水岭区域人口—耕地—粮食系统..........................................................................................72.1从人口方面分析...............................................................................................................................72.2从耕地方面分析...............................................................................................................................82.3从粮食方面分析...............................................................................................................................83建立耦合协调度评价以人口—耕地—粮食系统为模型...........................................................................93.1构建评价指标.................................................................................................................................103.2对偶和协调度的分析.....................................................................................................................104人口—耕地—粮食系统协调性时序变化特征分析.................................................................
