上海九段沙湿地国家级自然保护区生态系统服务价值评估

上海九段沙湿地国家级自然保护区是长江口受到人类干扰最少、生态系统相对处于原生状态的湿地,在分析九段沙湿地生态系统特征和服务基础上,构建了生态系统服务价值评估指标体系,利用上海市第二次湿地资源调查(2011—2013年)成果及其他数据资料,应用市场价值法、影子工程法、成果参数法等方法,评估了九段沙湿地生态系统服务价值,结果表明,九段沙湿地自然保护区生态系统服务总价值约409638.92万元,单位面积价值为10.04万元/(hm2·a),供水蓄水、大气净化、防风消浪等调节服务价值最高,分别占总服务价值的28.9%、25.9%、21.8%,对长江口海域资源环境及生物多样性保护等具有重要调节功能。

Evaluation of the Ecosystem Services Value of Shanghai Jiuduansha Wetland National Nature Reserve

Jiuduansha wetland national nature reserve in Shanghai was the wetland with the least human disturbance and relatively primitive state in the Changjiang estuary.Based on the analysis of characteristics and services of Jiuduansha,value evaluation index system for ecosystem services of Jiuduansha was built.Using the result of the second survey of wetland resources of Shanghai(2011—2013)and other analytical data,as well as market value method,shadow engineering method,the results of parameter method and other methods were used to value the ecosystem services.The results showed that the ecosystem services value of the Jiuduansha wetland was about 409.639 million yuan,and the unit area value was 100400 yuan/(hm2·a).These values,like water supply and storage,atmospheric purification,windbreak and wave dissipation were the highest,accounting respectively for 28.9%,25.9%,21.8%,playing important regulating functions to the resources,environment and biodiversity protection of Changjiang estuary.