西安市区域生态系统服务功能价值研究

Service Function Value of Regional Ecosystem of Xi'an City

在介绍生态系统服务功能内涵和价值评价方法的基础上,根据西安市生态系统类型及特点,采用康斯坦扎等对全球不同生态系统单位服务价值参数,对2008年西安市区域生态系统服务功能价值进行了计算。结果表明,西安市生态系统服务功能总价值为455.22×106美元/年,主要提供者是水域生态系统,即河流与湖泊,其次为森林生态系统。并对西安市城市化进程中维持不同生态系统服务功能价值提出了建议。

Based on the introduction of connotation and value evaluation method of ecosystem service function,according to ecosystem types and characteristics of Xi＇an City,the regional ecosystem service function value of Xi＇an City in 2008 is calculated using unit service value parameter of global different ecosystems by Kangsitanzha et al.The results show that the total value of ecosystem service function of Xi＇an City is 455.22×106 dollars/year,and the main provider is aquatic ecosystem,namely rivers and lakes,followed by forest ecosystem.The author also gives proposes for maintaining different ecosystem service function values during urbanization of Xi＇an City.