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Phylogenetic conservatism in plant phenology

Davies, T. Jonathan (author)
Wolkovich, Elizabeth M. (author)
Kraft, Nathan J. B. (author)
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Salamin, Nicolas (author)
Allen, Jenica M. (author)
Ault, Toby R. (author)
Betancourt, Julio L. (author)
Bolmgren, Kjell (author)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Lund University,Lunds universitet,Evolutionär ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Evolutionary ecology,Department of Biology,Faculty of Science,Enheten för skoglig fältforskning,Unit for Field-based Forest Research
Cleland, Elsa E. (author)
Cook, Benjamin I. (author)
Crimmins, Theresa M. (author)
Mazer, Susan J. (author)
McCabe, Gregory J. (author)
Pau, Stephanie (author)
Regetz, Jim (author)
Schwartz, Mark D. (author)
Travers, Steven E. (author)
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 (creator_code:org_t)
 
2013-10-08
2013
English.
In: Journal of Ecology. - : Wiley. - 1365-2745 .- 0022-0477. ; 101:6, s. 1520-1530
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Phenological events - defined points in the life cycle of a plant or animal - have been regarded as highly plastic traits, reflecting flexible responses to various environmental cues. The ability of a species to track, via shifts in phenological events, the abiotic environment through time might dictate its vulnerability to future climate change. Understanding the predictors and drivers of phenological change is therefore critical. Here, we evaluated evidence for phylogenetic conservatism - the tendency for closely related species to share similar ecological and biological attributes - in phenological traits across flowering plants. We aggregated published and unpublished data on timing of first flower and first leaf, encompassing 4000 species at 23 sites across the Northern Hemisphere. We reconstructed the phylogeny for the set of included species, first, using the software program Phylomatic, and second, from DNA data. We then quantified phylogenetic conservatism in plant phenology within and across sites. We show that more closely related species tend to flower and leaf at similar times. By contrasting mean flowering times within and across sites, however, we illustrate that it is not the time of year that is conserved, but rather the phenological responses to a common set of abiotic cues. Our findings suggest that species cannot be treated as statistically independent when modelling phenological responses.Synthesis. Closely related species tend to resemble each other in the timing of their life-history events, a likely product of evolutionarily conserved responses to environmental cues. The search for the underlying drivers of phenology must therefore account for species' shared evolutionary histories.

Subject headings

NATURVETENSKAP  -- Biologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences (hsv//eng)
NATURVETENSKAP  -- Biologi -- Ekologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Ecology (hsv//eng)

Keyword

climate change
flowering times
phenology
phylogenetic conservatism
plant-climate interactions
plasticity
spring indices

Publication and Content Type

art (subject category)
ref (subject category)

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