| 中原经济区核心区土地资源生态安全评价 |
| |
| 引用本文： | 郑敬刚,许淑娜,喻铮铮,吴国玺.中原经济区核心区土地资源生态安全评价[J].水土保持研究,2013,20(3):273-277,282. |
| |
| 作者姓名： | 郑敬刚 许淑娜 喻铮铮 吴国玺 |
| |
| 作者单位： | 许昌学院 城市与环境学院, 河南 许昌 461000 |
| |
| 基金项目： | 河南省政府决策研究招标课题，河南省高等学校青年骨干教师 |
| |
| 摘 要： | 采用熵权赋权法构建了中原经济区核心区土地资源生态安全评价指标体系，综合评价了2002—2011年中原经济区核心区土地资源生态安全动态。结果表明，2004年中原经济区核心区土地生态安全指数增加到最大值0.675 5，土地安全等级为“Ⅱ”级，较安全，2011年土地安全指数下降到0.310 6，土地安全等级退化为“Ⅳ”级，较不安全。2002—2011年，郑州市、许昌市和焦作市的土地资源生态安全动态呈“单峰”型，开封市和新乡市的土地资源生态安全动态呈“双峰”型，洛阳市的土地资源生态安全动态呈“U”型。中原经济区核心区土地资源生态安全的空间变化呈现出“以郑州为中心，南北恶化、东西好转”的特点。
|
| 关 键 词： | 中原经济区 土地资源 生态安全 空间变化 |
Study on Ecological Security Evaluation of Land Resources in the Case of the Core Areas of Zhongyuan Economic Region |
| |
| ZHENG Jing-gang,XU Shu-na,YU Zheng-zheng,WU Guo-xi.Study on Ecological Security Evaluation of Land Resources in the Case of the Core Areas of Zhongyuan Economic Region[J].Research of Soil and Water Conservation,2013,20(3):273-277,282. |
| |
| Authors: | ZHENG Jing-gang XU Shu-na YU Zheng-zheng WU Guo-xi |
| |
| Institution: | College of Urban Planning and Environmental Sciences, Xuchang University, Xuchang, He’nan 461000, China |
| |
| Abstract: | The evaluation index system of land resources ecological security of the core areas of Zhongyuan Economic Region was constructed based on AHP and entropy weight method, and the dynamic of land resources ecological security of the core areas of Zhongyuan Economic Region during 2002—2011 was evaluated. The results show that the land resources ecological security index increased to 0.675 5 in 2004, and the land security rating indicated ‘Ⅱ’-safe level. However, the land resources ecological security index declined to 0.310 6 in 2011, and the land security rating indicated ‘Ⅳ’-less safe level. During 2002-2011, the dynamics of land resources ecological security showed a single peak curve in Zhengzhou, Xuchang and Jiaozuo, a bimodal curve in Kaifeng and Xinxiang, and an ‘U’ curve in Luoyang. Moreover, the spatial change of land resources ecological security was characterized as a center of Zhengzhou, worsening in south and north region, improving in east and west region in the core areas of Zhongyuan Economic Region |
| |
| Keywords: | Zhongyuan economic region land resources ecological security spatial change |
| 本文献已被 万方数据 等数据库收录！ |
| 点击此处可从《水土保持研究》浏览原始摘要信息 |
| 点击此处可从《水土保持研究》下载免费的PDF全文 |
|
