globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13098
论文题名:
Elevated carbon dioxide accelerates the spatial turnover of soil microbial communities
作者: Deng Y.; He Z.; Xiong J.; Yu H.; Xu M.; Hobbie S.E.; Reich P.B.; Schadt C.W.; Kent A.; Pendall E.; Wallenstein M.; Zhou J.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2016
卷: 22, 期:2
起始页码: 957
结束页码: 964
语种: 英语
英文关键词: Elevated carbon dioxide ; Free air CO2 enrichment ; Microbial community ; Spatial turnover rate ; β-diversity
Scopus关键词: bacterial DNA ; carbon dioxide ; bacterium ; drug effects ; genetics ; microbiology ; Bacteria ; Carbon Dioxide ; DNA, Bacterial ; Soil Microbiology
英文摘要: Although elevated CO2 (eCO2) significantly affects the α-diversity, composition, function, interaction and dynamics of soil microbial communities at the local scale, little is known about eCO2 impacts on the geographic distribution of micro-organisms regionally or globally. Here, we examined the β-diversity of 110 soil microbial communities across six free air CO2 enrichment (FACE) experimental sites using a high-throughput functional gene array. The β-diversity of soil microbial communities was significantly (P < 0.05) correlated with geographic distance under both CO2 conditions, but declined significantly (P < 0.05) faster at eCO2 with a slope of -0.0250 than at ambient CO2 (aCO2) with a slope of -0.0231 although it varied within each individual site, indicating that the spatial turnover rate of soil microbial communities was accelerated under eCO2 at a larger geographic scale (e.g. regionally). Both distance and soil properties significantly (P < 0.05) contributed to the observed microbial β-diversity. This study provides new hypotheses for further understanding their assembly mechanisms that may be especially important as global CO2 continues to increase. © 2016 John Wiley & Sons Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/61503
Appears in Collections:影响、适应和脆弱性

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作者单位: CAS Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences (CAS), Beijing, China; Department of Microbiology and Plant Biology, Institute for Environmental Genomics, The University of Oklahoma, Norman, OK, United States; School of Marine Sciences, Ningbo University, Ningbo, China; Harbin Institute of Technology, Harbin, China; School of Environmental Science and Engineering, Liaoning Technical University, Fuxin, China; State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangzhou, China; The University of Minnesota, St. Paul, MN, United States; Hawkesbury Institute for the Environment, University of Western Sydney, Richmond, NSW, Australia; Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, United States; Department of Natural Resources and Environmental Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, United States; University of Wyoming, Laramie, WY, United States; Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO, United States

Recommended Citation:
Deng Y.,He Z.,Xiong J.,et al. Elevated carbon dioxide accelerates the spatial turnover of soil microbial communities[J]. Global Change Biology,2016-01-01,22(2)
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