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The Spatial Factor, Rather than Elevated CO(2), Controls the Soil Bacterial Community in a Temperate Forest Ecosystem

Publication ,  Journal Article
Ge, Y; Chen, C; Xu, Z; Oren, R; He, J-Z
Published in: APPLIED AND ENVIRONMENTAL MICROBIOLOGY
November 2010

The global atmospheric carbon dioxide (CO(2)) concentration is expected to increase continuously over the next century. However, little is known about the responses of soil bacterial communities to elevated CO(2) in terrestrial ecosystems. This study aimed to partition the relative influences of CO(2), nitrogen (N), and the spatial factor (different sampling plots) on soil bacterial communities at the free-air CO(2) enrichment research site in Duke Forest, North Carolina, by two independent techniques: an entirely sequencing-based approach and denaturing gradient gel electrophoresis. Multivariate regression tree analysis demonstrated that the spatial factor could explain more than 70\% of the variation in soil bacterial diversity and 20\% of the variation in community structure, while CO(2) or N treatment explains less than 3\% of the variation. For the effects of soil environmental heterogeneity, the diversity estimates were distinguished mainly by the total soil N and C/N ratio. Bacterial diversity estimates were positively correlated with total soil N and negatively correlated with C/N ratio. There was no correlation between the overall bacterial community structures and the soil properties investigated. This study contributes to the information about the effects of elevated CO(2) and soil fertility on soil bacterial communities and the environmental factors shaping the distribution patterns of bacterial community diversity and structure in temperate forest soils.

Published In

APPLIED AND ENVIRONMENTAL MICROBIOLOGY

DOI

ISSN

0099-2240

Publication Date

November 2010

Volume

76

Issue

22

Start / End Page

7429 / 7436

Related Subject Headings

  • Trees
  • Soil Microbiology
  • Sequence Analysis, DNA
  • RNA, Ribosomal, 16S
  • Phylogeny
  • Nucleic Acid Denaturation
  • North Carolina
  • Nitrogen
  • Molecular Sequence Data
  • Microbiology
 

Citation

APA
Chicago
ICMJE
MLA
NLM
Ge, Y., Chen, C., Xu, Z., Oren, R., & He, J.-Z. (2010). The Spatial Factor, Rather than Elevated CO(2), Controls the Soil Bacterial Community in a Temperate Forest Ecosystem. APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 76(22), 7429–7436. https://doi.org/10.1128/AEM.00831-10
Ge, Yuan, Chengrong Chen, Zhihong Xu, Ram Oren, and Ji-Zheng He. “The Spatial Factor, Rather than Elevated CO(2), Controls the Soil Bacterial Community in a Temperate Forest Ecosystem.” APPLIED AND ENVIRONMENTAL MICROBIOLOGY 76, no. 22 (November 2010): 7429–36. https://doi.org/10.1128/AEM.00831-10.
Ge Y, Chen C, Xu Z, Oren R, He J-Z. The Spatial Factor, Rather than Elevated CO(2), Controls the Soil Bacterial Community in a Temperate Forest Ecosystem. APPLIED AND ENVIRONMENTAL MICROBIOLOGY. 2010 Nov;76(22):7429–36.
Ge, Yuan, et al. “The Spatial Factor, Rather than Elevated CO(2), Controls the Soil Bacterial Community in a Temperate Forest Ecosystem.” APPLIED AND ENVIRONMENTAL MICROBIOLOGY, vol. 76, no. 22, Nov. 2010, pp. 7429–36. Manual, doi:10.1128/AEM.00831-10.
Ge Y, Chen C, Xu Z, Oren R, He J-Z. The Spatial Factor, Rather than Elevated CO(2), Controls the Soil Bacterial Community in a Temperate Forest Ecosystem. APPLIED AND ENVIRONMENTAL MICROBIOLOGY. 2010 Nov;76(22):7429–7436.

Published In

APPLIED AND ENVIRONMENTAL MICROBIOLOGY

DOI

ISSN

0099-2240

Publication Date

November 2010

Volume

76

Issue

22

Start / End Page

7429 / 7436

Related Subject Headings

  • Trees
  • Soil Microbiology
  • Sequence Analysis, DNA
  • RNA, Ribosomal, 16S
  • Phylogeny
  • Nucleic Acid Denaturation
  • North Carolina
  • Nitrogen
  • Molecular Sequence Data
  • Microbiology