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Understory Vegetation and Drought Effects on Soil Aggregate Stability and Aggregate-Associated Carbon on the Loess Plateau in China!
Zhang, Qingyin1,2; Shao, Ming'an1,3; Jia, Xiaoxu2,3; Zhang, Chencheng2
2018
Source PublicationSOIL SCIENCE SOCIETY OF AMERICA JOURNAL
ISSN0361-5995
Volume82Issue:1Pages:106-114
Corresponding AuthorShao, Ming'an(shaoma@igsnrr.ac.cn) ; Jia, Xiaoxu(jiaxx@igsnrr.ac.cn)
AbstractArtificial afforestation is a common strategy for ecological recovery on the Loess Plateau, China, which causes the development of understory vegetation and drought stress. However, the influence of the understory vegetation and drought conditions on soil aggregate stability and aggregate-associated soil organic carbon (SOC) are still not well understood. We evaluated the impacts of understory development and drought stress on soil aggregate stability and associated SOC during 2015 and 2016 in an artificial afforestation area in Shaanxi Province, China. The study had four treatments: control (CK), precipitation and throughfall excluded + understory present (TE), precipitation and throughfall allowed + understory removed (NU), and precipitation and throughfall excluded + understory removed (TE-NU). Soil moisture was significantly reduced by the exclusion of precipitation and throughfall. Aboveground biomass in the CK was significantly higher than that of TE. Precipitation-throughfall exclusion and the removal of understory vegetation significantly decreased soil aggregate stability and aggregate-associated organic C pools, while they had no influence on the total SOC pools. This indicated that soil aggregate stability and aggregate-associated organic C may be more sensitive to changes in the external environment. These suggest that understory vegetation restoration had some potential to increase total SOC sequestration in the artificial afforestation on the Loess Plateau of China.
DOI10.2136/sssaj2017.05.0145
WOS KeywordORGANIC-CARBON ; TILLAGE SYSTEMS ; NITROGEN ; FOREST ; SEQUESTRATION ; DYNAMICS ; MATTER ; PLANTATION ; CONVERSION ; FRACTIONS
Indexed BySCI
Language英语
Funding ProjectNational Key Project for Research and Development[2016YFC0501605] ; National Natural Science Foundation of China[41530854] ; National Natural Science Foundation of China[41501233] ; National Natural Science Foundation of China[41390461] ; Youth Innovation Research Team Project[LENOM2016Q0001] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2017076] ; Program for Bingwei Excellent Talents from Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences[2015RC204]
Funding OrganizationNational Key Project for Research and Development ; National Natural Science Foundation of China ; Youth Innovation Research Team Project ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Program for Bingwei Excellent Talents from Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000429653200011
PublisherSOIL SCI SOC AMER
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/57337
Collection中国科学院地理科学与资源研究所
Corresponding AuthorShao, Ming'an; Jia, Xiaoxu
Affiliation1.Northwest A&F Univ, Coll Nat Resour & Environm, Yangling 712100, Peoples R China
2.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Qingyin,Shao, Ming'an,Jia, Xiaoxu,et al. Understory Vegetation and Drought Effects on Soil Aggregate Stability and Aggregate-Associated Carbon on the Loess Plateau in China![J]. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL,2018,82(1):106-114.
APA Zhang, Qingyin,Shao, Ming'an,Jia, Xiaoxu,&Zhang, Chencheng.(2018).Understory Vegetation and Drought Effects on Soil Aggregate Stability and Aggregate-Associated Carbon on the Loess Plateau in China!.SOIL SCIENCE SOCIETY OF AMERICA JOURNAL,82(1),106-114.
MLA Zhang, Qingyin,et al."Understory Vegetation and Drought Effects on Soil Aggregate Stability and Aggregate-Associated Carbon on the Loess Plateau in China!".SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 82.1(2018):106-114.
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