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Spatially-explicit quantitative relationship for a potential PES mechanism:Cascade hydropower development in Yarlung Zangbo River Basin, China

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Journal of Mountain Science 2022年第4期19卷 925-944页

作者： ZHU Xiao-kang FU Bin Ramon Felipe BICUDO DA SILVA GUO Ying-man QIN Chan-yuan FENG Ting YU Hai-bing XIAO Kuang Institute of Mountain Hazards and Environment Chinese Academy of SciencesChengdu 610041China University of Chinese Academy of Sciences Beijing 100049China Xihua University Chengdu 610039China Sichuan Provincial Chengdu Ecological and Environmental Monitoring Center Station Chengdu 610041China Center for Systems Integration and Sustainability Department of Fisheries and WildlifeMichigan State UniversityEast Lansing MI 48823USA Center for Environmental Studies and Research State University of CampinasCampinas 13083-867Brazil

Payment for ecosystem services(PES) is of great importance for the sustainable development of mountain areas, key hotspot regions for the provisioning of ecosystem services. At present, PES researches mainly focus on forest protection, carbon sink trading, and water protection. As an important industry in mountainous areas, cascade hydropower development has generated substantial economic benefits accompanied by social and ecological impacts. However, efficient PES mechanisms to deal with hydropower generation in mountain areas are still unavailable. Therefore, the lacking of PES in mountain systems limits the development of those areas, and compromise the sustainability of hydropower development. The critical reason lies in the lack of a scientific method that can quantitatively analyze the relationship of hydropower stations with a geographical scope at county level(i.e., quantifying the water yield service provided by each county within the cascade hydropower development basin), and with different hydropower enterprises. We use the Yarlung Zangbo River Basin of China as case study area, one of the major hydropower development basins in China. First, we used Integrated Valuation of Ecosystem Services and Tradeoffs(InVEST) model to map water yield service. Then, we calculated the value of water yield service by relating the water yield to the gross output value of hydropower stations. We revealed the relationship(e.g., hydropower stations and identified counties) between the payers and the payees of ecosystem services through mapping and quantifying the provisioning regions in the supply of water yield service and the users(hydropower enterprises). Finally, we discussed the current situation of benefit distribution in cascade hydropower development basin based on the supply and use of the water yield service. The results showed that 1) the spatial distribution of the value of water yield service is uneven: the upper reaches are highvalue areas;the eastern region is

关键词： Water yield service Relationship Hydropower development InVEST model qinghaitibet plateau

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Relationships between altitudinal gradient and plant carbon isotope composition of grassland communities on the Qinghai-Tibet plateau,China

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Science China Earth Sciences 2013年第1期56卷 311-320页

作者： ZHOU YongChun FAN JiangWen ZHONG HuaPing ZHANG WenYan Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Graduate University of Chinese Academy of Sciences

Foliar and root carbon isotope composition(δ13C) of grassland communities on the Qinghai-Tibet plateau,China,was obtained by the biomass weighting method and direct *** investigated the characteristics and altitudinal patterns of foliar and root δ13C and determined which environmental factors influenced foliar δ13 C *** δ13 C of alpine steppe was significantly higher than that of alpine meadow and temperate *** alpine meadow,root δ13C was significantly higher than of foliar δ*** δ13C increased with altitude at an average rate of 0.60‰ km 1 for the whole grassland *** rate was lower than that at species ***,there were no significant relationships between root δ13C and *** pressure was a more important factor than temperature and precipitation in its influence on the altitudinal pattern of foliar δ13C at the community level.

关键词： community level carbon isotope composition altitude atmospheric pressure temperature precipitation qinghaitibet plateau

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