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Title: Elevated carbon dioxide accelerates the spatial turnover of soil microbial communities

Journal Article · · Global Change Biology
DOI:https://doi.org/10.1111/gcb.13098· OSTI ID:1327647
 [1];  [2];  [3];  [4];  [5];  [6];  [7];  [8];  [9];  [10];  [11];  [2]
  1. Chinese Academy of Sciences (CAS), Beijing (China); Univ. of Oklahoma, Norman, OK (United States)
  2. Univ. of Oklahoma, Norman, OK (United States)
  3. Univ. of Oklahoma, Norman, OK (United States); Ningbo Univ. Ningbo (China)
  4. Chinese Academy of Sciences (CAS), Beijing (China); Harbin Institute of Technology, Harbin (China); Liaoning Technical Univ., Fuxin (China)
  5. Univ. of Oklahoma, Norman, OK (United States); Guangdong Institute of Microbiology, Guangzhou (China)
  6. The Univ. of Minnesota, St. Paul, MN (United States)
  7. The Univ. of Minnesota, St. Paul, MN (United States); Univ. of Western Sydney, Richmond, NSW (Australia)
  8. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  9. Univ. of Illinois at Urbana-Champaign, Urbana, IL (United States)
  10. Univ. of Wyoming, Laramie WY (United States)
  11. Colorado State Univ., Fort Collins, CO (United States)
+ Show Author Affiliations

Abstract Although elevated CO 2 ( eCO 2 ) significantly affects the α ‐diversity, composition, function, interaction and dynamics of soil microbial communities at the local scale, little is known about eCO 2 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 CO 2 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 CO 2 conditions, but declined significantly ( P  < 0.05) faster at eCO 2 with a slope of −0.0250 than at ambient CO 2 ( aCO 2 ) 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 eCO 2 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 CO 2 continues to increase.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1327647
Alternate ID(s):
OSTI ID: 1401159
Journal Information:
Global Change Biology, Vol. 22, Issue 2; ISSN 1354-1013
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 52 works
Citation information provided by
Web of Science

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Cited By (7)

Climate warming accelerates temporal scaling of grassland soil microbial biodiversity journal March 2019
Balanced Fertilization Decreases Environmental Filtering on Soil Bacterial Community Assemblage in North China journal December 2017
Two key features influencing community assembly processes at regional scale: Initial state and degree of change in environmental conditions journal November 2018
Climate warming leads to divergent succession of grassland microbial communities journal August 2018
Prokaryotic Diversity in Mangrove Sediments across Southeastern China Fundamentally Differs from That in Other Biomes journal September 2019
Bacterial community response to a preindustrial-to-future CO 2 gradient is limited and soil specific in Texas Prairie grassland journal October 2018
Spatial scaling of forest soil microbial communities across a temperature gradient: Temperature altered microbial spatial scaling journal September 2018

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Related Subjects

59 BASIC BIOLOGICAL SCIENCES
elevated carbon dioxide
free air CO2 enrichment
microbial community
spatial turnover rate
β-diversity