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Carbon budgets of wetland ecosystems in China
Xiao, Derong1; Deng, Lei2,3; Kim, Dong-Gill4; Huang, Chunbo5; Tian, Kun1
2019-06-01
Source PublicationGLOBAL CHANGE BIOLOGY
ISSN1354-1013
Volume25Issue:6Pages:2061-2076
Corresponding AuthorDeng, Lei(leideng@ms.iswc.ac.cn)
AbstractWetlands contain a large proportion of carbon (C) in the biosphere and partly affect climate by regulating C cycles of terrestrial ecosystems. China contains Asia's largest wetlands, accounting for about 10% of the global wetland area. Although previous studies attempted to estimate C budget in China's wetlands, uncertainties remain. We conducted a synthesis to estimate C uptake and emission of wetland ecosystems in China using a dataset compiled from published literature. The dataset comprised 193 studies, including 370 sites representing coastal, river, lake and marsh wetlands across China. In addition, C stocks of different wetlands in China were estimated using unbiased data from the China Second Wetlands Survey. The results showed that China's wetlands sequestered 16.87 Pg C (315.76 Mg C/ha), accounting for about 3.8% of C stocks in global wetlands. Net ecosystem productivity, jointly determined by gross primary productivity and ecosystem respiration, exhibited annual C sequestration of 120.23 Tg C. China's wetlands had a total gaseous C loss of 173.20 Tg C per year from soils, including 154.26 Tg CO2-C and 18.94 Tg CH4-C emissions. Moreover, C stocks, uptakes and gaseous losses varied with wetland types, and were affected by geographic location and climatic factors (precipitation and temperature). Our results provide better estimation of the C budget in China's wetlands and improve understanding of their contribution to the global C cycle in the context of global climate change.
Keywordcarbon emission carbon sequestration carbon stock carbon uptake climate wetland
DOI10.1111/gcb.14621
WOS KeywordSOIL ORGANIC-CARBON ; METHANE EMISSIONS ; NATURAL WETLANDS ; PRECIPITATION GRADIENT ; BIOGEOCHEMICAL CYCLES ; GREEN PROGRAM ; RICE PADDIES ; LAND-USE ; CLIMATE ; STOCKS
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA23070201] ; National Natural Science Foundation of China[41867059] ; National Natural Science Foundation of China[41730638] ; National Natural Science Foundation of China[41877538] ; Yunnan Innovative Research Team of Plateau Wetland Science[2012HC007] ; Special Support Plan of Young Talents Project of Shaanxi Province in China ; Promoting Plan to Creative talents of Youth Science and Technology Star[2018KJXX-088]
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; Yunnan Innovative Research Team of Plateau Wetland Science ; Special Support Plan of Young Talents Project of Shaanxi Province in China ; Promoting Plan to Creative talents of Youth Science and Technology Star
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
WOS SubjectBiodiversity Conservation ; Ecology ; Environmental Sciences
WOS IDWOS:000467441900016
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/59840
Collection中国科学院地理科学与资源研究所
Corresponding AuthorDeng, Lei
Affiliation1.Southwest Forestry Univ, Natl Plateau Wetlands Res Ctr, Kunming, Yunnan, Peoples R China
2.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling, Shaanxi, Peoples R China
3.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling, Shaanxi, Peoples R China
4.Hawassa Univ, Wondo Genet Coll Forestry & Nat Resources, Shashemene, Ethiopia
5.Huazhong Agr Univ, Coll Hort & Forestry Sci, Wuhan, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Derong,Deng, Lei,Kim, Dong-Gill,et al. Carbon budgets of wetland ecosystems in China[J]. GLOBAL CHANGE BIOLOGY,2019,25(6):2061-2076.
APA Xiao, Derong,Deng, Lei,Kim, Dong-Gill,Huang, Chunbo,&Tian, Kun.(2019).Carbon budgets of wetland ecosystems in China.GLOBAL CHANGE BIOLOGY,25(6),2061-2076.
MLA Xiao, Derong,et al."Carbon budgets of wetland ecosystems in China".GLOBAL CHANGE BIOLOGY 25.6(2019):2061-2076.
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