晋西北地区土地生态安全评价指标体系的构建

Establishment of Evaluation Index System of Ecological Security in the Northwest of Shanxi Province

土地生态安全评价是目前关于土地利用/覆被变化(LUCC)研究的重点内容与热点问题。笔者首先回顾前人对生态安全概念的不同阐释,通过对国内外相关文献查询与梳理,提出生态安全及土地生态安全的概念与理论体系。其次以晋西北地区为例,结合区域土地利用变化特点,选取自然、经济和社会生态系统3方面的20个指标构建区域土地生态安全评价指标体系。最后,列举当前土地生态安全研究中普遍存在的一些问题,展望中国土地生态安全评价指标体系研究未来发展特点与趋势。

Land ecological security assessment is a hot issue of Land Use/Cover Change（LUCC）. Firstly, theauthors reviewed different interpretations of the concept of ecological security, and put forward the concept andtheoretical system of ecological security and land ecological security through studying of relevant literatures.Then, the authors took the northwest of Shanxi Province as an example, and combined with regional land usechange characteristic, established a regional land ecological security evaluation index system with 20 indexesfrom three aspects including natural selection, social economy and ecological system. Finally, the authors listedsome problems in the research of ecological security of land, and made an outlook on the future development ofthe evaluation index system of land ecological security.