期刊论文

中文

经济地理

1000-8462

2015

35

11

172-178

10.15957/j.cnki.jjdl.2015.11.024

41271534:国家自然科学基金 CCNU15A02049:中央高校基本科研业务费专项 CCNU15ZD001:中央高校基本科研业务费专项 2014CFB545:湖北省自然科学基金

本校为第一机构

以湖北省为研究区,构建了一种基于量子遗传投影寻踪模型的耕地生态安全评价新方法,将多维生态安全评价指标转化为一维平面投影数据,获取最佳投影方向向量,根据生态安全投影值的大小从时空角度分析湖北省耕地生态安全态势.研究结果表明:①社会因素是影响耕地生态安全的主要子系统,粮食稳定系数、农业机械化水平和土地垦殖率等是影响耕地生态安全的主要内在驱动力;②近10年湖北省耕地生态安全投影值从1.0541增长到2.8706,呈现出“快速增长—和缓保持—持续拉升”的阶段性发展态势,耕地生态安全状况不断转好;③根据耕地生态安全投影值的时空变化可将17个单元分为生态安全良好区、生态安全和缓区和生...

Taking Hubei Province as the research subject, this paper introduced the Quantum Genetic Projection Pursuit Model（QGPRM） to evaluate cultivated land ecological security. By using QGPRM, a transformation was made from a multi-dimensional evaluation index to one-dimensional projection data to obtain the optimal projection direction vector. The projection value was used to analyze the spatial and temporal ecological security situation of the farmland in Hubei Province. Results were as follows. （1） Social factors had the most obvious influence ...