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中文摘要：
作为区域发展的载体。土地资源生态安全成为区域生态安全的重要内容，如何科学评价区域土地生态安全及其变化，成为区域生态安全评价的关键内容。针对三峡库区土地资源的特点及所面临的主要问题，采用熵权法确定权重的综合指标评价法，对库区2003～2006年的土地生态安全进行评价，结果表明，库区土地生态安全总体情况基本稳定，但总体上处于不安全阶段，根据结果提出相应的对策建议。
英文摘要：
Land resources is the carrier of regional development, of which ecological security is an important aspect of a regional ecological security. How to scientific evaluate a regional ecological security of land and changes in the regional has become a key element of ecological security. In view of the three gorges reservoir area and the characteristics of land resources, the main problems, comprehensive index assessment based on entropy method to evaluate the land ecological security of the three gorges reservoir area from 2003 to 2006. The results show that the ecological security of land in the reservoir area is in the stability of the overall situation, it is still unsafe stage. The corresponding countermeasures and suggestions were put forward based on the results.
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