摘要
土地生态安全评价是土地生态安全研究的一个重要方向。诠释了土地生态安全及相关概念,综述了当前土地生态安全评价研究的重点内容及研究进展,指出存在的主要问题,包括:土地生态安全定义的差异对土地生态安全评价的内容影响明显;很多有价值的研究对象评价工作目前还未展开;相同区域多尺度的评价研究进行的很少;从针对性和普适性看,评价指标体系的构建仍值得深入探讨;评价方法很多,并且有新的方法不断引入,但提高研究方法的适用性、合理性和针对性依然值得深入探讨;预测评价与预警评价工作还有待拓展。整体上,土地生态安全评价在研究的对象、尺度及尺度推绎、方法、指标体系以及基础理论体系等方面均有待不断完善和深入探讨。
The land ecological security evaluation is very important.The land ecological security and related concepts are introduced.The research emphasis and progress of land ecological security evaluation are reviewed.The problems are pointed out such as the different concepts of land ecological security have obvious influence on the evaluation content,the evaluation on many valuable research objects is not carried out,the multi-scale evaluation on same region is little,the establishment of evaluation index system needs to be further studied,there are many evaluation methods,while the applicability,rationality and pertinence should be further studied,and the forecast evaluation and forewarning evaluation need to be developed.The research objects,scales,yardstick reasoning,methods,index system and basic theoretical system remain to be perfected and discussed deeply.
出处
《河北农业科学》
2010年第5期99-102,159,共5页
Journal of Hebei Agricultural Sciences
基金
国家博士后基金项目(20090451220)
江苏省博士后基金项目(0901126C)
科技部科技支撑计划项目(2008BAD96B05)
国土资源部公益性行业专项项目(200811087)
关键词
土地生态安全评价
研究进展
展望
中国
Land ecological security evaluation
Research progress
Prospect
China
