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Spatiotemporal variability of soil organic carbon for different topographic and land use types in a gully watershed on the Chinese Loess Plateau

文献类型：期刊论文

作者Yang, Fan1,2,3; Wei, Xiaorong1,2; Huang, Mingbin1,2; Li, Chenhui2; Zhao, Xiaofang2; Zhang, Zhongdian2
刊名SOIL RESEARCH
出版日期2021-01-29
页码13
关键词ecological restoration land use type spatial distribution of SOC temporal change of SOC topographic type
ISSN号1838-675X
DOI10.1071/SR19317
通讯作者Huang, Mingbin(hmbd@nwsuaf.edu.cn)
英文摘要The 'Grain-for-Green' program implemented on the Loess Plateau in China has dramatically changed land use types, and subsequently enhanced the spatiotemporal variability of soil organic carbon (SOC) in the watersheds. However, the spatiotemporal variability of SOC for different topographic and land use types within small watersheds has not been adequately explored following the implementation of the 'Grain-for-Green' program. In this study, we determined the spatiotemporal variability of SOC content using the data collected in 1993, 2002, 2005, and 2012 and measured in 2018 and identified its driving factors for different topographic (tableland, sloping land, and gully) and land use types in the Wangdonggou watershed on the Loess Plateau. The spatial patterns of SOC content differed among tableland, sloping land, and gully, with higher spatial variability in gully than sloping land and tableland. The SOC content in the 0-20 cm soil layer in 2018 increased by 8.58%, 26.4%, and 22.2%, compared to 2002, for tableland, sloping land, and gully, respectively. Woodland and grassland had a great potential to sequester and stabilise carbon. The vegetation cover was a relatively dominant factor affecting SOC content throughout the watershed. Our results indicate a close relationship between SOC content and topographic, vegetation, and edaphic variables. This information is critical for understanding SOC dynamics at the watershed scale for sustainable ecological restoration.
WOS关键词SPATIAL VARIABILITY ; ECOLOGICAL CONSTRUCTION ; VEGETATION RESTORATION ; USE CONVERSION ; TOTAL NITROGEN ; EROSION ; STOCKS ; CATCHMENT ; POSITION ; STORAGE
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDB40020200] ; National Natural Science Foundation of China[41571130082]
WOS研究方向Agriculture
语种英语
WOS记录号WOS:000612620900001
出版者CSIRO PUBLISHING
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China
源URL[http://ir.igsnrr.ac.cn/handle/311030/136129]  
专题中国科学院地理科学与资源研究所
通讯作者Huang, Mingbin
作者单位1.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Yang, Fan,Wei, Xiaorong,Huang, Mingbin,et al. Spatiotemporal variability of soil organic carbon for different topographic and land use types in a gully watershed on the Chinese Loess Plateau[J]. SOIL RESEARCH,2021:13.
APA Yang, Fan,Wei, Xiaorong,Huang, Mingbin,Li, Chenhui,Zhao, Xiaofang,&Zhang, Zhongdian.(2021).Spatiotemporal variability of soil organic carbon for different topographic and land use types in a gully watershed on the Chinese Loess Plateau.SOIL RESEARCH,13.
MLA Yang, Fan,et al."Spatiotemporal variability of soil organic carbon for different topographic and land use types in a gully watershed on the Chinese Loess Plateau".SOIL RESEARCH (2021):13.

入库方式： OAI收割

来源：地理科学与资源研究所

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