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Title: Microbial responses to southward and northward Cambisol soil transplant

We report that soil transplant serves as a proxy to simulate climate changes. Recently, we have shown that southward transplant of black soil and northward transplant of red soil altered soil microbial communities and biogeochemical variables. However, fundamental differences in soil types have prevented direct comparison between southward and northward transplants. To tackle it, herein we report an analysis of microbial communities of Cambisol soil in an agriculture field after 4 years of adaptation to southward and northward soil transplants over large transects. Analysis of bare fallow soils revealed concurrent increase in microbial functional diversity and coarse-scale taxonomic diversity at both transplanted sites, as detected by GeoChip 3.0 and DGGE, respectively. Furthermore, a correlation between microbial functional diversity and taxonomic diversity was detected, which was masked in maize cropped soils. Mean annual temperature, soil moisture, and nitrate (NO 3¯-N) showed strong correlations with microbial communities. In addition, abundances of ammonium-oxidizing genes (amoA) and denitrification genes were correlated with nitrification capacity and NO 3¯-N contents, suggesting that microbial responses to soil transplant could alter microbe-mediated biogeochemical cycle at the ecosystem level.
 [1] ;  [1] ;  [2] ;  [3] ;  [4] ;  [1]
  1. Tsinghua Univ., Beijing (China)
  2. Chinese Academy of Sciences, Nanjing (China); Ningbo Academy of Agricultural Sciences, Ningbo (China)
  3. State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008 China
  4. Tsinghua Univ., Beijing (China); Univ. of Oklahoma, Norman, OK (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Publication Date:
Grant/Contract Number:
SC0004601; EF-1065844; 2013CB956601; 2012AA061401; 41171201; 41471202; 41271258; 41430856; XDB15030200; AC02-05CH11231
Published Article
Journal Name:
Additional Journal Information:
Journal Volume: 4; Journal Issue: 6; Journal ID: ISSN 2045-8827
Research Org:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
59 BASIC BIOLOGICAL SCIENCES; Cambisol soil; microbial diversity; microbial functional potential; soil transplant
OSTI Identifier:
Alternate Identifier(s):
OSTI ID: 1224370; OSTI ID: 1257344; OSTI ID: 1378669