生态系统服务的潜在供给与实际使用——以密云水库为例  

Potential supply and actual use of ecosystem services——A case study of Miyun Reservoir

作　　者：沈钰仟 肖燚[1] 欧阳志云[1] SHEN Yuqian;XIAO Yi;OUYANG Zhiyun(State Key Laboratory of Urban and Regional Ecology,Research Center for Eco-Environmental Sciences,Chinese Academy of Sciences,Beijing 100085,China;College of Research and Environment,University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]中国科学院生态环境研究中心城市与区域生态国家重点实验室,北京100085 [2]中国科学院大学资源与环境学院,北京100049

出　　处：《环境保护科学》2024年第5期18-22,共5页Environmental Protection Science

基　　金：国家重点研发计划(2022YFF1301802-2)。

摘　　要：以北京市重要水源地——密云水库为对象,采用影子工程法、替代成本法等方法核算了水源涵养、洪水调蓄、水质净化和气候调节的潜在供给与实际使用价值。结果表明:(1)2020年,密云水库潜在供给价值为671.42亿元,实际使用价值为303.42亿元。2000—2020年,二者增幅分别为3.8%和76.6%;(2)2020年,密云水库生态系统服务平均利用率为45.2%,2000—2020年,上升了18.6%;(3)密云水库潜在供给与实际使用价值呈正相关,即生态系统服务的供应强度越大,人类对其使用程度越高;(4)2020年,密云水库以占密云区约6.3%的面积承担起了全区约35.1%的潜在供给价值和75.5%的实际使用价值。案例研究表明,潜在供给可为生态保护工程和措施的效益评估提供数据支撑,实际使用可纳入国民经济核算,为生态补偿和生态交易的标准制定提供决策支持和政策导向。Taking Miyun Reservoir,an important water source in Beijing,as the object,the potential supply and actual use value of water source conservation,flood regulation and storage,water purification and climate regulation were calculated by shadow engineering method and alternative cost method.The results showed that:(1)in 2020,the potential supply value of Miyun Reservoir was 67.142 billion yuan,and the actual use value was 30.342 billion yuan.From 2000 to 2020,the growth rate would be 3.8%and 76.6%respectively.(2)In 2020,the average utilization rate of ecosystem services in Miyun Reservoir was 45.2%,which increased by 18.6%from 2000 to 2020.(3)The potential supply of Miyun Reservoir was positively correlated with the actual use value.The greater the supply intensity of ecosystem services,the higher degree of human use of ecosystem services.(4)In 2020,Miyun Reservoir,accounting for about 6.3%of the area of Miyun District,would bear about 35.1%of the potential supply value and 75.5%of the actual use value of the whole district.The case study showed that the potential supply could provide data support for the benefit assessment of ecological protection projects and measures,and the actual use could be included in the national economic accounting,providing decision support and policy guidance for the formulation of ecological compensation and ecological trading standards.

关 键 词：生态系统服务 潜在供给 实际使用 密云水库 国民经济核算 

分 类 号：X22[环境科学与工程—环境科学] F222.33[经济管理—国民经济]