杨奎;文琦;夏四友;赵茹;

• 1:南京大学地理与海洋科学学院
• 2:宁夏大学资源环境学院
• 3:南京师范大学地理科学学院

摘要(Abstract)：

针对粮食生产与耕地资源的变化规律对区域粮食安全等问题,该文采用变异系数法、修正后的耕地压力指数及GM(1,1)模型,对陕甘宁蒙能源富集区粮食生产与耕地资源的变化情况进行分析与预测。研究结果表明,陕甘宁蒙粮食产量不断提高,耕地压力呈现减小趋势,区域粮食安全问题得到一定缓解,并可通过提高粮食单产、控制人口增长、提高农作物复种指数及粮食播种面积占总播种面积的比重进一步保障区域粮食安全。

关键词(KeyWords)： 粮食生产;耕地资源;安全分析;陕甘宁蒙

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41661042,41771189);; 宁夏留学回国人员创新团队项目(20150102)

作者(Authors): 杨奎;文琦;夏四友;赵茹;

DOI: 10.16251/j.cnki.1009-2307.2019.07.011

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