IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Revealing microbial processes and nutrient limitation in soil through ecoenzymatic stoichiometry and glomalin-related soil proteins in a retreating glacier forefield
Yonglei Jiang1; Yanbao Lei2; Wei Qin3; Helena Korpelainen4; Chunyang Li1
2019
Source PublicationGEODERMA
ISSN0016-7061
EISSN1872-6259
Volume338Pages:313-324
SubtypeArticle
Contribution Rank2
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
Language英语
WOS IDWOS:000457657000032
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/25261
Collection山地表生过程与生态调控重点实验室
Corresponding AuthorChunyang Li
Affiliation1.College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China;
2.;Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;
3.Department of Soil Quality, Wageningen University and Research, PO Box 47, 6700 AA Wageningen, the Netherlands;
4.Department of Agricultural Sciences, Viikki Plant Science Centre, University of Helsinki, PO Box 27, FI-00014, Finland
Recommended Citation
GB/T 7714
Yonglei Jiang,Yanbao Lei,Wei Qin,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 Yonglei Jiang,Yanbao Lei,Wei Qin,Helena Korpelainen,&Chunyang Li.(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 Yonglei Jiang,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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