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Explosive Evolutionary Radiations: Decreasing Speciation or Increasing Extinction Through Time?
  • D. Rabosky, I. Lovette
  • Geography, Biology
    Evolution; international journal of organic…
  • 1 August 2008
A method for estimating speciation and extinction rates that vary continuously through time is developed and shows that decreasing speciation is often distinguishable from increasing extinction in the numerous molecular phylogenies of radiations that retain a preponderance of early lineages.
Density-dependent diversification in North American wood warblers
  • D. Rabosky, I. Lovette
  • Environmental Science, Biology
    Proceedings of the Royal Society B: Biological…
  • 22 October 2008
This work develops a new conceptual framework that distinguishes density dependence from alternative processes that also produce temporally declining diversification, and demonstrates this approach using a new phylogeny of North American Dendroica wood warblers and suggests that the tempo of wood warbler diversification was mediated by ecological interactions among species.
Molecular Markers, Natural History, and Evolution. 2nd edition
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Analysis and visualization of complex macroevolutionary dynamics: an example from Australian scincid lizards.
It is demonstrated that major axes of morphological variation can be decoupled from species diversification and the Bayesian framework described here can be used to identify and characterize complex mixtures of dynamic processes on phylogenetic trees.
The roles of island area per se and habitat diversity in the species-area relationships of four Lesser Antillean faunal groups
The results suggest that the four Lesser Antillean taxonomic groups diAer in their responses to area and habitat diversity are related to diAerences in several biological traits of the diAerent faunal groups.
Exceptional among-lineage variation in diversification rates during the radiation of Australia's most diverse vertebrate clade
The results suggest that the evolution of traits associated with climate tolerance may have had a role in shaping patterns of diversity in this group of scincid lizards, and present an improved likelihood-based method for estimating per-lineage diversification rates from combined phylogenetic and taxonomic data.
Congruent population structure inferred from dispersal behaviour and intensive genetic surveys of the threatened Florida scrub‐jay (Aphelocoma cœrulescens)
The combined reconstructions of population structure based on genetics and dispersal‐mediated demographic connectivity provide a robust depiction of the current genetic and demographic organization of this species, reflecting past and present levels of dispersal among occupied habitat patches.
Explosive speciation in the New World Dendroica warblers
Comparisons with a null model of random bifurcation–extinction demonstrate that cladogenesis in Dendroica has been clustered non–randomly with respect to time, with a significant burst of speciation occurring early in the history of the genus.