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A primary study on Chinese terrestrial ecosystem services and their ecological-economic values

OUYANG Zhi Yun WANG Xiao Ke MIAO Hong (Research Center for Eco Environmental Sciences,Chinese Academy of Sciences,Beijing 100080,China)  
Ecosystem services are the conditions and processing through which the natural ecosystems and the species,that make them up,sustain and fulfill the human life.They not only supply to the human being with the production of ecosystem goods,but also perform the fundamental life support services,which include the purification of air and water,detoxification and decomposition of wastes,regulation of climate,regeneration of soil fertility,and production and maintenance of biodiversity,mitigation of floods and droughts.The Chinese ecosystem services and their indirect economic values were estimated based on ecological function analysis.The study showed that the indirect economic values in RMB of organic matter production,CO 2 fixation,O 2 release,nutrient recycle,soil protection,water holding capacity and environmental purification were 1 57×10 13 Yuan/a,2 84×10 2 Yuan/a,2 84×10 12 Yuan/a,3 24×10 11 Yuan/a,5 69×10 12 Yuan/a,2 71×10 11 Yuan/a,4 90×10 12 Yuan/a,respectively.
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