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Spatial-temporal change of carbon storage and sink of wetland ecosystem in arid regions, Ningxia Plain
Bu Xiaoyan1,2; Dong Suocheng1; Mi Wenbao3; Li Fujia1
2019-05-01
Source PublicationATMOSPHERIC ENVIRONMENT
ISSN1352-2310
Volume204Pages:89-101
Corresponding AuthorMi Wenbao(miwbao@nxu.edu.cn)
AbstractAccurate assessment of wetland ecosystem carbon sinks is an estimation of future atmospheric CO2 concentrations, prediction of climate change and its impact on wetland ecosystems. In this study, using remote sensing data and 351 wetland sample sites in 2015, a remote sensing multiple linear regression model (RS-MLRM) was constructed to clarify the carbon storage capacity and its changing process from 2000 to 2015 and their controlling factors in arid regions wetlands. The results are as follows: (1) The studied wetlands acted as atmospheric carbon sinks from 2000 to 2015, increasing by 3.88 x 10(4) tC/a. Moreover, the soil carbon sink (0-40 cm) was approximately twice that of the vegetation carbon sink. (2) Carbon sinks had a clear spatial distribution, with high concentrations in Helan and Pingluo Counties in the central Ningxia Plain. From 2005 to 2015, constructed wetlands significantly increased the carbon sink (P < 0.05) and were the main contributors to carbon sequestration, indicating that positive human intervention enhances the carbon sink effect of wetlands. (3) Human activities, policy factors, soil physical and chemical properties and nutrients were the main factors affecting carbon sink in Ningxia Plain Wetland in arid regions. (4) The results provides a scientific basis for the protection and management of wetland ecosystems in arid areas.
KeywordCarbon sink Spatial-temporal change RS-MLRM Factors
DOI10.1016/j.atmosenv.2019.02.019
WOS KeywordSOIL ORGANIC-CARBON ; GLOBAL DISTRIBUTION ; BIOMASS ; AREA
Indexed BySCI
Language英语
Funding ProjectStrategic Leading Science and Technology Special Project (Class A) of the Chinese Academy of Sciences[XDA2003020] ; Multidisciplinary Joint Scientific Expedition of China-Mongolia-Russia Economic Corridor[2017FY101304] ; Ningxia college first-class discipline construction projects (Grass science)[NYYLXK2017A01]
Funding OrganizationStrategic Leading Science and Technology Special Project (Class A) of the Chinese Academy of Sciences ; Multidisciplinary Joint Scientific Expedition of China-Mongolia-Russia Economic Corridor ; Ningxia college first-class discipline construction projects (Grass science)
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000463307100009
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/48664
Collection中国科学院地理科学与资源研究所
Corresponding AuthorMi Wenbao
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Ningxia Polytech, Yinchuan 750021, Peoples R China
3.Ningxia Univ, Coll Resources & Environm Sci, Yinchuan 750021, Peoples R China
Recommended Citation
GB/T 7714
Bu Xiaoyan,Dong Suocheng,Mi Wenbao,et al. Spatial-temporal change of carbon storage and sink of wetland ecosystem in arid regions, Ningxia Plain[J]. ATMOSPHERIC ENVIRONMENT,2019,204:89-101.
APA Bu Xiaoyan,Dong Suocheng,Mi Wenbao,&Li Fujia.(2019).Spatial-temporal change of carbon storage and sink of wetland ecosystem in arid regions, Ningxia Plain.ATMOSPHERIC ENVIRONMENT,204,89-101.
MLA Bu Xiaoyan,et al."Spatial-temporal change of carbon storage and sink of wetland ecosystem in arid regions, Ningxia Plain".ATMOSPHERIC ENVIRONMENT 204(2019):89-101.
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