盘锦双台河口湿地生态系统服务功能能值价值评价

依据能值分析理论对盘锦双台河口湿地生态系统服务功能价值进行评价.根据双台河口湿地具体情况,将生态系统服务功能划分为供给服务(包括水产品、植物资源)、调解服务(包括大气组分调解、供水蓄水、生物栖息地、降解污染)、文化服务(包括科研文化).计算得双台河口湿地生态系统服务总能值每年382.52×1019sej,能值价值1019.51亿元,其中供给服务43.77×1019sej,能值价值116.65亿元,调解服务334.17×1019sej,能值价值890.65亿元,文化服务4.58×1019sej,能值价值12.21亿元,各项服务功能价值大小顺序为:栖息地>供水、蓄水>植物资源>大气组分调节>科研文化>水产品>降解污染.双台河口湿地生态价值主要表现为生物栖息地和供水蓄水,占总价值的84.73%.

Evaluation of the services provided by the Shuangtai estuary wetland in Panjin based on emergy theory

This study evaluated the services provided by the Shuangtai estuary wetland ecosystem in Panjin based on emergy theory. The services of the wetland ecosystem were categorized into provision, regulation and cultural supporting services. The total emergetic monetary value of the services was ￥1019.51million. Provisioning services accounted for ￥116.65million, regulating services for ￥890.65million and cultural supporting services for ￥12.21. The total emergetic value varied depending on the function of the services. The value of the habitat was highest, followed by water supply and storage, production of organic matter, regulation of atmospheric constituents, cultural research and management of pollutants. Habitat and water supply and storage accounted for 51.79% and 32.94%, respectively, of the total emergetic value. The results of this research provide a useful reference for recommendations for the protection of the Shuangtai estuary wetland ecosystem.