Climate envelope modelling reveals intraspecific relationships among flowering phenology, niche breadth and potential range size in Arabidopsis thaliana

Joshua A. Banta, Ian M. Ehrenreich, Silvia Gerard, Lucy Chou, Amity Wilczek, Johanna Schmitt, Paula X. Kover, Michael D. Purugganan

Research output: Contribution to journalArticle

Abstract

Species often harbour large amounts of phenotypic variation in ecologically important traits, and some of this variation is genetically based. Understanding how this genetic variation is spatially structured can help to understand species' ecological tolerances and range limits. We modelled the climate envelopes of Arabidopsis thaliana genotypes, ranging from early- to late-flowering, as a function of several climatic variables. We found that genotypes with contrasting alleles at individual flowering time loci differed significantly in potential range size and niche breadth. We also found that later flowering genotypes had more restricted range potentials and narrower niche breadths than earlier flowering genotypes, indicating that local selection on flowering can constrain or enhance the ability of populations to colonise other areas. Our study demonstrates how climate envelope models that incorporate ecologically important genetic variation can provide insights into the macroecology of a species, which is important to understand its responses to changing environments.

Original languageEnglish (US)
Pages (from-to)769-777
Number of pages9
JournalEcology Letters
Volume15
Issue number8
DOIs
StatePublished - Aug 2012

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niche breadth
phenology
range size
flowering
climate modeling
niches
Arabidopsis thaliana
climate
genotype
genetic variation
macroecology
phenotypic variation
allele
harbor
tolerance
alleles
ecology
loci

Keywords

  • Arabidopsis thaliana
  • Climate envelope
  • Climate envelope modelling
  • Climate niche
  • Genetic diversity
  • Geographical distribution
  • Niche breadth
  • Niche modelling
  • Niche width
  • Potential range size

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

Climate envelope modelling reveals intraspecific relationships among flowering phenology, niche breadth and potential range size in Arabidopsis thaliana. / Banta, Joshua A.; Ehrenreich, Ian M.; Gerard, Silvia; Chou, Lucy; Wilczek, Amity; Schmitt, Johanna; Kover, Paula X.; Purugganan, Michael D.

In: Ecology Letters, Vol. 15, No. 8, 08.2012, p. 769-777.

Research output: Contribution to journalArticle

Banta, Joshua A. ; Ehrenreich, Ian M. ; Gerard, Silvia ; Chou, Lucy ; Wilczek, Amity ; Schmitt, Johanna ; Kover, Paula X. ; Purugganan, Michael D. / Climate envelope modelling reveals intraspecific relationships among flowering phenology, niche breadth and potential range size in Arabidopsis thaliana. In: Ecology Letters. 2012 ; Vol. 15, No. 8. pp. 769-777.
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