摘要
生态系统服务价值评估越来越受到学术界关注。针对当前生态服务价值评估方法、指标体系和评估效果较多的实践,通过文献归纳,对国内外土地利用生态服务价值评价方法、指标体系及其系数进行了整理、分类和评价,将指标体系分为Costanza和谢高地两大类,并将谢高地指标体系分为价值当量、价值系数和区域修正。以辽宁省2005、2010年土地利用数据为案例,运用Costanza价值系数、谢高地2个版本的价值当量以及2个版本价值系数的区域修正,分别核算了案例区生态系统服务价值及变化,并比较评价结果。研究结果显示,Costanza价值系数应用于中国实践时评估结果偏低;谢高地2002版的价值当量和2002版的价值系数区域修正结果最接近平均值,相对更可取;2007版的价值系数区域修正评估结果也较接近均值但略低,2007版的价值当量评估结果总体偏高。因此,推荐在土地利用生态服务价值评估中采用谢高地2002版的价值当量和修正的价值系数指标体系。
Assessment on ecosystem service values has attracted more and more academic attention. On account of current numerous practices, the evaluation methodologies, index systems and their coefficients for land use ecosystem service values were summarised by searching and gathering pertinent literatures published in recent years. The evaluation systems were divided into two categories of Costanza and Xie Gaodi whilst Xie＇s index systems were composed of value equivalent, value coefficient and regional rectification. As a case of land use in 2005 and 2010 in Liaoning Province, its ecosystem service values and changes were individually calculated by means of Costanza＇s value coefficient, and value equivalents and regional correction for value coefficient of Xie＇s two different versions whilst a comparison of the evaluation outcomes was made as well. Results indicated that the evaluation outcome was on the low side when Costanza＇s value coefficient was used in Chinese practice. Xie＇s value equivalents and regional correction for value coefficient of the 2002 version could attain relatively desirable result as their evaluation outcomes were closest to the average values. The evaluation result from regional correction for value coefficient of the 2007 version was also close to but slightly lower than the average values, whilst that from Xie＇s value equivalents of the 2007 version was generally higher than the average values. Therefore, the index system of Xie＇s value equivalents and correction for value coefficient of the 2002 version would be recommended to use in the assessment on land use ecosystem service values.
出处
《上海环境科学》
CAS
2015年第5期188-195,共8页
Shanghai Environmental Sciences
基金
辽宁省社科联2015年度辽宁经济社会发展立项课题,编号:20151 slktglx-12
沈阳师范大学优秀科技人才支持项目,编号:201403
沈阳师范大学生态与环境研究中心主任基金项目,编号:EERC-Y 201405
关键词
生态服务
土地利用
价值评估
评价体系
效果比较
Ecosystem services Land use Value assessment Evaluation system Effect comparison
