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Journal Article
The net ecosystem services value in mainland China
2018
Overview
Protection of the ecological environment is an effective strategy for maintaining ecosystem health, improving provision of ecosystem services, and increasing human well-being. However, traditional calculations of the value of ecosystem services (VES) provide weak guidance because they ignore the costs of these services, leading to economically inefficient strategies. To understand the difference between VES and the net ecosystem services value (NES, after subtracting costs from VES) and to improve evaluations of ecosystem services, we estimated NES for mainland China (including farmland, grassland, forest, and wetland). NES totaled 10.0×10
3
RMB ha
−1
yr
−1
in 2014, which is only 35.1% of the corresponding VES. Grassland NES was–0.7×10
3
RMB ha
−1
yr
−1
, in contrast with a positive grassland VES. NES of farmland, grassland, forest, and wetland in 2014 totaled 7.2×10
12
RMB, accounting for 27.0% of China’s GNP. Recent Chinese planning based on VES emphasizes forest conservation and ignores the conservation of other important ecosystems, such as grassland, leading to a continuing loss of China’s natural capital. Due to regional differences in economic conditions, resource endowments, and geographical characteristics, VES and NES differ among regions. To maximize the ecological benefits from conservation, it is necessary to account for these differences by comparing strategies based on NES, thereby choosing projects that maximize both economic and ecological benefits. To maintain the ecological balance, ecological restoration and socioeconomic activities should account for the costs of providing ecosystem services. This is essential to minimize the costs and maximize the benefits of projects.
Publisher
Science China Press,Springer Nature B.V
Subject
