两种森林生态系统价值评估方法实证评述
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1. 山西农业大学,资源环境学院,山西,太谷,030801
2. 中国地质大学,土地科学技术学院,国土资源部土地整治重点实验室,北京100035
3. 山西农业大学,生命科学学院,山西,太谷,030801
4. 山西水利职业技术学院,山西,运城,044000

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X171.4

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安徽省教育厅重点研究课题"基于'外部性理论'条件下小流域生态补偿机制与实施途经研究:以秋浦河为例证"(2010sk502zd)


Comparing Two Methods of Forest Ecosystem Value Evaluation
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L(U) Chun-juan,BAI Zhong-ke,CHEN wei-guo,WANG Ying

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    摘要:

    森林生态系统价值尚未形成成熟的评价方法.谢高地等基于Costanza的方法创建了当量因子法,中国林业科学院森林生态环境与保护研究所创建了LY/T1721-2008评估规范.以安徽池州市境内的秋浦河河源森林生态系统为例,以2007年为基准年,用两种方法计算其生态服务价值分别为11 330.92,49 369.59万元.创建背景不同,方法不同,指标类型以及参数选取不同等是导致评估结果相差甚远的主要原因.当量因子评估法依条件价值法为机理而创立,较客观地体现了人们的主观支付意愿,但粗略、宽泛;LY/T1721-2008评估法测重于理论研究,细致、准确但离人们的支付意愿相差较大.

    Abstract:

    Currently a satisfying evaluation method has not been developed for the forest ecosystem evaluation yet.Based on the Costanza's method,XIE Gao-di introduced the equivalent weight factor method.In 2008,the Institute of Forest Eco-environment and Protection,Chinese Academy of Forestry promulgated the evaluation criterion of forest ecosystem(LY/T1721-2008).Taking the riverhead forest ecosystem of Qiupu River in Chizhou City,Anhui Province as an example,the two methods were applied to calculate the service value of the forest ecosystem as approximate-ly1.13×108Yuan and 4.94×108Yuan,respectively,in 2007.This large disagreement between two numbers could be attributed to the background behind which the methods were created,different concepts,index types and included parameters.Equivalent weight factor method was created based on conditional values,reflecting objectively the people's willingness to pay(WTP).However,it maybe not theoretically precise.LY/T1721-2008assessment method emphasizes more on theoretical application and is therefore more precise and accurate.However,its results may deviate considerably from the people's willingness to pay.

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张乐勤,荣慧芳,曹先河.两种森林生态系统价值评估方法实证评述[J].水土保持通报,2011,(1):169-174

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  • 收稿日期:2010-08-12
  • 最后修改日期:2010-10-18
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  • 在线发布日期: 2012-10-25
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