Genetically based trait in a dominant tree affects ecosystem processes

Jennifer A. Schweitzer, Joseph K. Bailey, Brian J. Rehill, Gregory D. Martinsen, Stephen C. Hart, Richard L. Lindroth, Paul S Keim, Thomas G Whitham

Research output: Contribution to journalArticle

241 Citations (Scopus)

Abstract

Fundamental links between genes and ecosystem processes have remained elusive, although they have the potential to place ecosystem sciences within a genetic and evolutionary framework. Utilizing common gardens with cottonwood trees of known genotype, we found that the concentration of condensed tannins is genetically based and is the best predictor of ecosystem-level processes. Condensed tannin inputs from foliage explained 55-65% of the variation in soil net nitrogen (N) mineralization under both field and laboratory conditions. Alternative associations with litter lignin, soil moisture or soil temperature were relatively poor predictors of litter decomposition and net N mineralization. In contrast to the paradigm that the effects of genes are too diffuse to be important at the ecosystem-level, here we show that plant genes had strong, immediate effects on ecosystem function via a tight coupling of plant polyphenols to rates of nitrogen cycling.

Original languageEnglish (US)
Pages (from-to)127-134
Number of pages8
JournalEcology Letters
Volume7
Issue number2
DOIs
StatePublished - Feb 2004

Fingerprint

ecosystems
ecosystem
tannin
gene
litter
proanthocyanidins
mineralization
nitrogen
ecosystem function
genes
foliage
soil temperature
lignin
garden
genotype
soil moisture
gardens
decomposition
polyphenols
soil water

Keywords

  • Condensed tannins
  • Ecosystem ecology
  • Extended phenotype
  • Genetic diversity
  • Leaf litter decomposition
  • Nitrogen mineralization
  • Plant hybridization
  • Populus

ASJC Scopus subject areas

  • Ecology

Cite this

Schweitzer, J. A., Bailey, J. K., Rehill, B. J., Martinsen, G. D., Hart, S. C., Lindroth, R. L., ... Whitham, T. G. (2004). Genetically based trait in a dominant tree affects ecosystem processes. Ecology Letters, 7(2), 127-134. https://doi.org/10.1111/j.1461-0248.2003.00562.x

Genetically based trait in a dominant tree affects ecosystem processes. / Schweitzer, Jennifer A.; Bailey, Joseph K.; Rehill, Brian J.; Martinsen, Gregory D.; Hart, Stephen C.; Lindroth, Richard L.; Keim, Paul S; Whitham, Thomas G.

In: Ecology Letters, Vol. 7, No. 2, 02.2004, p. 127-134.

Research output: Contribution to journalArticle

Schweitzer, JA, Bailey, JK, Rehill, BJ, Martinsen, GD, Hart, SC, Lindroth, RL, Keim, PS & Whitham, TG 2004, 'Genetically based trait in a dominant tree affects ecosystem processes', Ecology Letters, vol. 7, no. 2, pp. 127-134. https://doi.org/10.1111/j.1461-0248.2003.00562.x
Schweitzer JA, Bailey JK, Rehill BJ, Martinsen GD, Hart SC, Lindroth RL et al. Genetically based trait in a dominant tree affects ecosystem processes. Ecology Letters. 2004 Feb;7(2):127-134. https://doi.org/10.1111/j.1461-0248.2003.00562.x
Schweitzer, Jennifer A. ; Bailey, Joseph K. ; Rehill, Brian J. ; Martinsen, Gregory D. ; Hart, Stephen C. ; Lindroth, Richard L. ; Keim, Paul S ; Whitham, Thomas G. / Genetically based trait in a dominant tree affects ecosystem processes. In: Ecology Letters. 2004 ; Vol. 7, No. 2. pp. 127-134.
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