七里海湿地生态服务功能价值评估

Evaluation of the Ecological Service Function of Qilihai Wetland

本研究在总结国内外生态系统服务功能价值研究现状的基础上,针对典型的潟湖湿地和天津最大的天然湿地七里海,结合湿地生态系统特征、结构和生态过程的特点,建立湿地生态价值体系,并根据不同的价值类型,分别采用不同类型的估算方法。经估算,目前七里海湿地生态系统提供的主要服务功能是水质净化、固碳和水产品价值,三者价值占到了总价值的66.31%。

On the basis of the research status of ecosystem service function value at home and abroad,taking the typical lagoon wetland and the largest natural wetland Qilihai in Tianjin as the object,this paper establishes the wetland ecological value system combined with the characteristics of wetland ecosystem,structure and ecological process and adopts different types of estimation methods according to different types of value.It is estimated that the services provided by Qilihai wetland ecosystem are mainly water purification,carbon sequestration and aquatic product value,accounting for 66.31%of the total value.