Based on the theory of emergy value,the service value of wetland ecosystem in Liaoning province was evaluated.According to the basic situation of the research area,the Shuangtai estuary wetland ecosystem services are categorized into three categories,six items:provision services:aquatic products and plant resources services;regulation services:atmospheric composition regulation,water resources regulation and habitat services;cultural services:scientific research service.Results showed that the total emergy value of the Shuangtai estuary wetland was RMB 700.59× 108.The provision services value accounted for RMB 15.10× 108,regulation services value for RMB 670.32× 108,and the value of culture services for RMB 15.17× 108.Habitat and water resources regulation accounted for 76.23％ and 19.44％,respectively,which is the leading service of total emergy value.
NETL
NSTL
维普
万方数据
