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Ecosystem services value of wetland in Suzhou Taihu Lake
Authors:GU Li-xia  WU Chang-nian  PU Hui-min  NAN Nan  WU Jin-lian  GUO Rong
Institution:[1]State Key Laboratory of Pollution Control & Resource Reuse,School of Enivonmetn,nanjing University,Nanjing 210093,P.R.China [2]Environmental Protection Agency of Wuzhong District,Suzhou 215128,P.R.China
Abstract:Based on a comprehensive analysis on various classifications of natural resource values,this paper summarizes an ecological services system of constructed wetland(CW)ecosystems for the accounting of ecological economic value.With the research,the wetland ecosystem services can be classified into six categories that is waste treatment,food and material production,water supply,gas regulations,disturbance and water regulations,habitat and refuge provision.For decision making in terms of environmental economics for wetland construction,ecosystem services vatue for the wetland in Suzhou Taihu Lake National Tourist and Holiday Resort is accounted for 7,088,769 USD/yr through Environmental Economics Analysis.Ecosystem services value of waste treatment is 825,000 USD/yr,that of food and material production is 1,430 USD/yr,that of water supply is 4,752,000 USD/yr,that of gas regulation is 2,251USD/yr,that of disturbance and water regulations is 1,3721 USD/yr,and that of habitat and refuge provision value is 1,494,367 USD/yr.The ecosystem services values of a pilot construeted wetland in Suzhou are compared with those of other wetlands as a mean and of a typical human-interfered wetland in Wenzhou of China.Results show that in both finite and infinite time horirons considered,the wetland in Suzhou Taihu Lake National Tourist and Holiday Resort has the largest services value.This paper analyzes all the probability that may weaken the value of the Suzhou Taihu Wetland in order to provide some advices for the wetland pratection.
Keywords:Ecosystem services value  Ecosystem services  Suzhou Taihu Wetland
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