Forest gene diversity is correlated with the composition and function of soil microbial communities

Jennifer A. Schweitzer, Dylan G. Fischer, Brian J. Rehill, Stuart C. Wooley, Scott A. Woolbright, Richard L. Lindroth, Thomas G Whitham, Donald R. Zak, Stephen C. Hart

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

The growing field of community and ecosystem genetics indicates that plant genotype and genotypic variation are important for structuring communities and ecosystem processes. Little is known, however, regarding the effects of stand gene diversity on soil communities and processes under field conditions. Utilizing natural genetic variation occurring in Populus spp. hybrid zones, we tested the hypothesis that stand gene diversity structures soil microbial communities and influences soil nutrient pools. We found significant unimodal patterns relating gene diversity to soil microbial community composition, microbial exoenzyme activity of a carbon-acquiring enzyme, and availability of soil nitrogen. Multivariate analyses indicate that this pattern is due to the correlation between gene diversity, plant secondary chemistry, and the composition of the microbial community that impacts the availability of soil nitrogen. Together, these data from a natural system indicate that stand gene diversity may affect soil microbial communities and soil processes in ways similar to species diversity (i. e., unimodal patterns). Our results further demonstrate that the effects of plant genetic diversity on other organisms may be mediated by plant functional trait variation.

Original languageEnglish (US)
Pages (from-to)35-46
Number of pages12
JournalPopulation Ecology
Volume53
Issue number1
DOIs
StatePublished - 2011

Fingerprint

microbial communities
microbial community
gene
soil
soil nitrogen
plant genetics
genes
hybrid zone
ecosystem
genetic variation
soil structure
soil nutrient
ecosystems
microbial activity
community composition
Populus
nitrogen
species diversity
genotype
soil nutrients

Keywords

  • Community and ecosystem genetics
  • Extracellular enzyme activity
  • Functional traits
  • Genetic diversity
  • Populus
  • Unimodal diversity patterns

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

Schweitzer, J. A., Fischer, D. G., Rehill, B. J., Wooley, S. C., Woolbright, S. A., Lindroth, R. L., ... Hart, S. C. (2011). Forest gene diversity is correlated with the composition and function of soil microbial communities. Population Ecology, 53(1), 35-46. https://doi.org/10.1007/s10144-010-0252-3

Forest gene diversity is correlated with the composition and function of soil microbial communities. / Schweitzer, Jennifer A.; Fischer, Dylan G.; Rehill, Brian J.; Wooley, Stuart C.; Woolbright, Scott A.; Lindroth, Richard L.; Whitham, Thomas G; Zak, Donald R.; Hart, Stephen C.

In: Population Ecology, Vol. 53, No. 1, 2011, p. 35-46.

Research output: Contribution to journalArticle

Schweitzer, JA, Fischer, DG, Rehill, BJ, Wooley, SC, Woolbright, SA, Lindroth, RL, Whitham, TG, Zak, DR & Hart, SC 2011, 'Forest gene diversity is correlated with the composition and function of soil microbial communities', Population Ecology, vol. 53, no. 1, pp. 35-46. https://doi.org/10.1007/s10144-010-0252-3
Schweitzer, Jennifer A. ; Fischer, Dylan G. ; Rehill, Brian J. ; Wooley, Stuart C. ; Woolbright, Scott A. ; Lindroth, Richard L. ; Whitham, Thomas G ; Zak, Donald R. ; Hart, Stephen C. / Forest gene diversity is correlated with the composition and function of soil microbial communities. In: Population Ecology. 2011 ; Vol. 53, No. 1. pp. 35-46.
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