Meta-analysis of phenotypic selection on flowering phenology suggests that early flowering plants are favoured

Miguel A Munguía-Rosas, Jeff Ollerton, Victor Parra-Tabla, J Arturo De-Nova

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Flowering times of plants are important life-history components and it has previously been hypothesized that flowering phenologies may be currently subject to natural selection or be selectively neutral. In this study we reviewed the evidence for phenotypic selection acting on flowering phenology using ordinary and phylogenetic meta-analysis. Phenotypic selection exists when a phenotypic trait co-varies with fitness; therefore, we looked for studies reporting an association between two components of flowering phenology (flowering time or flowering synchrony) with fitness. Data sets comprising 87 and 18 plant species were then used to assess the incidence and strength of phenotypic selection on flowering time and flowering synchrony, respectively. The influence of dependence on pollinators, the duration of the reproductive event, latitude and plant longevity as moderators of selection were also explored. Our results suggest that selection favours early flowering plants, but the strength of selection is influenced by latitude, with selection being stronger in temperate environments. However, there is no consistent pattern of selection on flowering synchrony. Our study demonstrates that phenotypic selection on flowering time is consistent and relatively strong, in contrast to previous hypotheses of selective neutrality, and has implications for the evolution of temperate floras under global climate change
Original languageEnglish
JournalEcology Letters
Volume14
Issue number5
DOIs
Publication statusPublished - 1 May 2011

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meta-analysis
phenology
Angiospermae
flowering
early selection
pollinators
natural selection
flora
life history
climate change
incidence
duration
phylogeny

Keywords

  • Flowering phenology
  • flowering synchrony
  • flowering time
  • mutualisms
  • natural selection
  • phenotypic selection

Cite this

Munguía-Rosas, Miguel A ; Ollerton, Jeff ; Parra-Tabla, Victor ; De-Nova, J Arturo. / Meta-analysis of phenotypic selection on flowering phenology suggests that early flowering plants are favoured. In: Ecology Letters. 2011 ; Vol. 14, No. 5.
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abstract = "Flowering times of plants are important life-history components and it has previously been hypothesized that flowering phenologies may be currently subject to natural selection or be selectively neutral. In this study we reviewed the evidence for phenotypic selection acting on flowering phenology using ordinary and phylogenetic meta-analysis. Phenotypic selection exists when a phenotypic trait co-varies with fitness; therefore, we looked for studies reporting an association between two components of flowering phenology (flowering time or flowering synchrony) with fitness. Data sets comprising 87 and 18 plant species were then used to assess the incidence and strength of phenotypic selection on flowering time and flowering synchrony, respectively. The influence of dependence on pollinators, the duration of the reproductive event, latitude and plant longevity as moderators of selection were also explored. Our results suggest that selection favours early flowering plants, but the strength of selection is influenced by latitude, with selection being stronger in temperate environments. However, there is no consistent pattern of selection on flowering synchrony. Our study demonstrates that phenotypic selection on flowering time is consistent and relatively strong, in contrast to previous hypotheses of selective neutrality, and has implications for the evolution of temperate floras under global climate change",
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Meta-analysis of phenotypic selection on flowering phenology suggests that early flowering plants are favoured. / Munguía-Rosas, Miguel A; Ollerton, Jeff; Parra-Tabla, Victor; De-Nova, J Arturo.

In: Ecology Letters, Vol. 14, No. 5, 01.05.2011.

Research output: Contribution to journalArticleResearchpeer-review

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