IB-CAS  > 植被与环境变化国家重点实验室
Soil organic carbon components in inner Mongolian shrub-encroached grasslands
Zhou, Luhong1,2,3; Shen, Haihua2,3; Xu, Yunping4; Li, He2; Chen, Leiyi2; Wang, Yinghui1; Zhang, Pujin2,5; Zhao, Xia2; Liu, Taoyu2; Hu, Huifeng2; Fang, Jingyun1,2
2019
Source PublicationPLANT AND SOIL
ISSN0032-079X
Volume442Issue:1-2Pages:199-213
AbstractAims Shrub encroachment has profound influences on regional carbon cycling. However, few studies have examined the changes in soil organic carbon (SOC) components at the molecular level along a climate gradient. In this study, we aimed to investigate the effects of biotic and abiotic factors on the patterns of SOC components in the shrub patches and the grassy matrix. Methods We analyzed the distribution and controlling factors of SOC components (including free lipids, bound lipids, and lignin-derived phenols) in the topsoil of shrub-encroached grasslands along natural climate gradients in Inner Mongolia, China. Results We found that the concentrations of bound lipids and lignin-derived phenols were significantly higher and the vanillic acid to vanillin ratio ((Ad/Al)(v)) was significantly lower in the shrub patches than in the grassy matrix (p < 0.05). After excluding variables exhibiting collinearity, redundancy analysis showed that shrub patch cover and soil pH were the most important variables that influenced SOC composition in the shrub patches, while herb characteristics and shrub density were the most important in the grassy matrix. Structural equation modeling showed that shrub characteristics at the plot scale greatly contributed to the variance in all components in the grassy matrix, whereas soil properties were more important in the shrub patches. Conclusions Our results highlight that although the topsoil carbon content did not change, shrub encroachment altered the SOC components and their drivers in the Inner Mongolian grasslands.
KeywordBiomarkers Climate change Plant-soil interaction Structural equation modeling Vegetation transition
Subject AreaAgronomy ; Plant Sciences ; Soil Science
DOI10.1007/s11104-019-04166-y
Indexed BySCI
Language英语
WOS KeywordMICROBIAL COMMUNITIES ; LAND-USE ; PLANT ; MATTER ; LIPIDS ; DESERTIFICATION ; PRODUCTIVITY ; DIVERSITY ; CHEMISTRY ; DYNAMICS
WOS Research AreaAgriculture ; Plant Sciences
WOS IDWOS:000485324700013
PublisherSPRINGER
SubtypeArticle
Publication PlaceDORDRECHT
EISSN1573-5036
Funding OrganizationNational Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31330012, 31470525] ; National Basic Research Program of China on Global ChangeNational Basic Research Program of China [2014CB954001] ; Key Research Program of Frontier Sciences, CAS [QYZDY-SSW-SMC011] ; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2018M641074]
Corresponding Author Emailshen.haihua@ibcas.ac.co ; jyfang@urban.pku.edu.cn
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/19894
Collection植被与环境变化国家重点实验室
Affiliation1.Peking Univ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
2.Peking Univ, Key Lab Earth Surface Proc, Minist Educ, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Shanghai Ocean Univ, Coll Marine Sci, Shanghai Engn Res Ctr Hadal Sci & Technol, Shanghai 201306, Peoples R China
6.Chinese Acad Sci, Inner Mongolia Prataculture Res Ctr, Hohhot 010031, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Luhong,Shen, Haihua,Xu, Yunping,et al. Soil organic carbon components in inner Mongolian shrub-encroached grasslands[J]. PLANT AND SOIL,2019,442(1-2):199-213.
APA Zhou, Luhong.,Shen, Haihua.,Xu, Yunping.,Li, He.,Chen, Leiyi.,...&Fang, Jingyun.(2019).Soil organic carbon components in inner Mongolian shrub-encroached grasslands.PLANT AND SOIL,442(1-2),199-213.
MLA Zhou, Luhong,et al."Soil organic carbon components in inner Mongolian shrub-encroached grasslands".PLANT AND SOIL 442.1-2(2019):199-213.
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