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Revealing microbial processes and nutrient limitation in soil through ecoenzymatic stoichiometry and glomalin-related soil proteins in a retreating glacier forefield
Jiang, Yonglei1; Lei, Yanbao2; Qin, Wei3; Korpelainen, Helena4; Li, Chunyang1
Corresponding AuthorLi, Chunyang(licy@hznu.edu.cn)
2019-03-15
Source PublicationGEODERMA
ISSN0016-7061
Volume338Pages:313-324
AbstractThe glacial retreat is observed and predicted to increase in intensity especially in high-elevation areas as a result of global warming, which leaves behind a primary succession along soil chronosequences. Although soil microbes have been recognized as main drivers of ecological and evolutionary processes, our understanding of their effects on nutrient biogeochemistry during primary succession remains limited. In this study, we investigated changes in the microbial community structure, ecoenzymatic stoichiometry, and glomalin-related soil protein (GRSP) accumulation in the Hailuogou Glacier Chronosequence, located on the eastern Tibetan Plateau. We wanted to reveal the effects of nutrient limitation on soil microbes and the relative contributions of edaphic and biotic factors. The results showed that with an increasing soil age, there was a steady increase in the microbial biomass and a shift from a bacterial to fungal dominated pattern. Soil enzyme stoichiometry and analyses on threshold elemental ratios revealed that microbial activities are limited by carbon and nitrogen during the early successional stage (3-52 years), while phosphorus was the main limiting factor during later stages (80-120 years). Moreover, the redundancy analysis and structural equation modeling suggested that during early stages edaphic factors had a greater impact on microbial processes, while the vegetation factors were most influential during the last two stages. Overall, these results highlighted the importance of integrating knowledge of the microbial community structure, soil enzyme activities and GRSP to gain a holistic view of soil-plant microbe interactions during ecosystem successions.
KeywordSoil extracellular enzymes Glomalin-related soil protein Bacterial and fungal community structure Hailuogou Glacier Chronosequence
DOI10.1016/j.geoderma.2018.12.023
Indexed BySCI
WOS KeywordARBUSCULAR MYCORRHIZAL FUNGI ; 120-YEAR-OLD CHRONOSEQUENCE ; TEMPERATE GRASSLANDS ; COMMUNITY STRUCTURE ; PRIMARY SUCCESSION ; ENZYME-ACTIVITY ; CARBON ; NITROGEN ; PHOSPHORUS ; BACTERIAL
Language英语
Funding ProjectNational Science Foundation of China[31570598] ; National Science Foundation of China[31500505] ; Talent Program of the Hangzhou Normal University[2016QDL020]
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000457657000032
Funding OrganizationNational Science Foundation of China ; Talent Program of the Hangzhou Normal University
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/25066
Collection中国科学院水利部成都山地灾害与环境研究所
Corresponding AuthorLi, Chunyang
Affiliation1.Hangzhou Normal Univ, Coll Life & Environm Sci, Hangzhou 310036, Zhejiang, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Rey Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Sichuan, Peoples R China
3.Wageningen Univ & Res, Dept Soil Qual, POB 47, NL-6700 AA Wageningen, Netherlands
4.Univ Helsinki, Vukki Plant Sci Ctr, Dept Agr Sci, POB 27, FI-00014 Helsinki, Finland
Recommended Citation
GB/T 7714
Jiang, Yonglei,Lei, Yanbao,Qin, Wei,et al. Revealing microbial processes and nutrient limitation in soil through ecoenzymatic stoichiometry and glomalin-related soil proteins in a retreating glacier forefield[J]. GEODERMA,2019,338:313-324.
APA Jiang, Yonglei,Lei, Yanbao,Qin, Wei,Korpelainen, Helena,&Li, Chunyang.(2019).Revealing microbial processes and nutrient limitation in soil through ecoenzymatic stoichiometry and glomalin-related soil proteins in a retreating glacier forefield.GEODERMA,338,313-324.
MLA Jiang, Yonglei,et al."Revealing microbial processes and nutrient limitation in soil through ecoenzymatic stoichiometry and glomalin-related soil proteins in a retreating glacier forefield".GEODERMA 338(2019):313-324.
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