Show simple item record Cardillo, Marcel Weston, Peter H. Reynolds, Zoe K.M. Olde, Peter M. Mast, Austin R. Lemmon, Emily Lemmon, Alan Richard Bromham, Lindell
dc.coverage.spatial Australia
dc.coverage.temporal Tertiary
dc.coverage.temporal Quaternary 2017-05-18T14:12:10Z 2017-05-18T14:12:10Z 2017-05-26
dc.identifier doi:10.5061/dryad.j8qv9
dc.identifier.citation Cardillo M, Weston PH, Reynolds ZKM, Olde PM, Mast AR, Lemmon EM, Lemmon AR, Bromham L (2017) The phylogeny and biogeography of Hakea (Proteaceae) reveals the role of biome shifts in a continental plant radiation. Evolution 71(8): 1928-1943.
dc.identifier.issn 0014-3820
dc.description The frequency of evolutionary biome shifts during diversification has important implications for our ability to explain geographic patterns of plant diversity. Recent studies present several examples of biome shifts, but whether frequencies of biome shifts closely reflect geographic proximity or environmental similarity of biomes remains poorly known. We explore this question by using phylogenomic methods to estimate the phylogeny of Hakea, a diverse Australian genus occupying a wide range of biomes. Model-based estimation of ancestral regions indicates that Hakea began diversifying in the Mediterranean biome of southern Australia in the Middle Eocene – Early Oligocene, and dispersed repeatedly into other biomes across the continent. We infer around 47 shifts between biomes. Frequencies of shifts between pairs of biomes are usually similar to those expected from their geographic connectedness or climatic similarity, but in some cases are substantially higher or lower than expected, perhaps reflecting how readily key physiological traits can be modified to adapt lineages to new environments. The history of frequent biome-shifting is reflected in the structure of present-day assemblages, which tend to be more phylogenetically diverse than null-model expectations. The case of Hakea demonstrates that the radiation of large plant clades across wide geographic areas need not be constrained by dispersal limitation or conserved adaptations to particular environments.
dc.relation.haspart doi:10.5061/dryad.j8qv9/1
dc.relation.isreferencedby doi:10.1111/evo.13276
dc.subject Anchored enrichment phylogenomics
dc.subject diversification
dc.subject geographic ranges
dc.subject niche conservatism
dc.subject species tree
dc.title Data from: The phylogeny and biogeography of Hakea (Proteaceae) reveals the role of biome shifts in a continental plant radiation
dc.type Article
dwc.ScientificName Hakea
dc.contributor.correspondingAuthor Cardillo, Marcel
prism.publicationName Evolution
dryad.fundingEntity IIP-1313554 @National Science Foundation (United States)

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Title mcmctree.phy
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Description Chronogram of Hakea and outgroup taxa from anchored enrichment phylogenomic data. The topology is based on a species tree produced by ASTRAL-II. Node depths are median values of the posterior distribution of node depths from an mcmctree analysis, calibrated to an absolute timescale using three fossil-based outgroup calibrations.
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