IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Litter chemical structure is more important than species richness in affecting soil carbon and nitrogen dynamics including gas emissions from an alpine soil
Chen, Youchao1,2; Sun, Jian3; Xie, Fangting1,2; Wang, Xiaodan1; Cheng, Genwei1; Lu, Xuyang1
Corresponding AuthorLu, Xuyang
2015-10-01
Source PublicationBIOLOGY AND FERTILITY OF SOILS
ISSN0178-2762
Volume51Issue:7Pages:791-800
SubtypeArticle
AbstractPlant litter can influence many fundamental ecosystem functions during decomposition. However, the mechanism of litter diversity effects on belowground ecological processes remains unclear, especially with regard to soil C and the N cycle in alpine ecosystems. In this study, we incubated the litter of four alpine steppe species (SP: Stipa purpurea, CM: Carex moorcroftii, LP: Leontopodium pusillum, AN: Artemisia nanschanica) alone or in mixture with soil. The litter-mixing experiment was conducted to determine the effects of litter diversity on soil C and N dynamics in an alpine steppe in Northern Tibet. Litter treatments significantly enhanced CO2 and N2O emissions and decreased CH4 immobilization in general; soil organic C, total N, water soluble organic C, water soluble organic N, microbial biomass C, microbial biomass N, and urease activity were also enhanced, while soil total inorganic N was decreased by litter treatments. Plant species richness poorly affected soil C and N dynamics, while litter chemical structure, such as C, N, lingin:N, phenol:N, cellulose, and cellulose:N, significantly affected soil C and N dynamics. Non-additive effects of litter mixture were predominant on soil C and N dynamics, while antagonistic effects were more frequent than synergistic effects. These results indicated that litter addition can significantly impact soil C and N dynamics through non-additive effects of litter mixture, and litter chemical structure is more important than species richness in affecting soil C and N dynamics of the alpine steppe in Northern Tibet.
KeywordPlant Diversity Litter Chemical Structure Soil c And n Alpine Steppe Tibetan Plateau
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s00374-015-1025-0
WOS Subject ExtendedAgriculture
Indexed BySCI
WOS KeywordLEAF-LITTER ; PLANT LITTER ; ECOSYSTEM FUNCTION ; PERENNIAL GRASSES ; PATAGONIAN MONTE ; N2O FLUXES ; DECOMPOSITION ; DIVERSITY ; CHEMISTRY ; BIODIVERSITY
Language英语
Quartile1区
TOP
WOS SubjectSoil Science
WOS IDWOS:000361348100003
Funding OrganizationNational Natural Science Foundation of China(41371267 ; 135 Strategic Program of the Institute of Mountain Hazards and Environment(SDS-135-1203-03) ; 41201053)
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/11001
Collection山地表生过程与生态调控重点实验室
山区发展研究中心
Affiliation1.Chinese Acad Sci, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Peoples R China
2.Chinese Acad Sci, Grad Univ Chinese Acad Sci, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Key Lab Ecosyst Network Observat & Modelling, Beijing 100101, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Chen, Youchao,Sun, Jian,Xie, Fangting,et al. Litter chemical structure is more important than species richness in affecting soil carbon and nitrogen dynamics including gas emissions from an alpine soil[J]. BIOLOGY AND FERTILITY OF SOILS,2015,51(7):791-800.
APA Chen, Youchao,Sun, Jian,Xie, Fangting,Wang, Xiaodan,Cheng, Genwei,&Lu, Xuyang.(2015).Litter chemical structure is more important than species richness in affecting soil carbon and nitrogen dynamics including gas emissions from an alpine soil.BIOLOGY AND FERTILITY OF SOILS,51(7),791-800.
MLA Chen, Youchao,et al."Litter chemical structure is more important than species richness in affecting soil carbon and nitrogen dynamics including gas emissions from an alpine soil".BIOLOGY AND FERTILITY OF SOILS 51.7(2015):791-800.
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