G. Graves

Publications231
h-index41
Citations11,375
Highly Influential Citations749
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NULL MODELS IN ECOLOGY
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Whole-genome analyses resolve early branches in the tree of life of modern birds
TLDR
A genome-scale phylogenetic analysis of 48 species representing all orders of Neoaves recovered a highly resolved tree that confirms previously controversial sister or close relationships and identifies the first divergence in Neoaves, two groups the authors named Passerea and Columbea.
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Comparative genomics reveals insights into avian genome evolution and adaptation
TLDR
This work explored bird macroevolution using full genomes from 48 avian species representing all major extant clades to reveal that pan-avian genomic diversity covaries with adaptations to different lifestyles and convergent evolution of traits.
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An Update of Wallace’s Zoogeographic Regions of the World
TLDR
A global map of zoogeographic regions is generated by combining data on the distributions and phylogenetic relationships of 21,037 species of amphibians, birds, and mammals, and it is shown that spatial turnover in the phylogenetic composition of vertebrate assemblages is higher in the Southern than in the Northern Hemisphere.
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Multiscale assessment of patterns of avian species richness
  • C. Rahbek, G. Graves
  • Environmental Science
    Proceedings of the National Academy of Sciences…
  • 10 April 2001
TLDR
The data reinforce the hypothesis that terrestrial species richness from the equator to the poles is ultimately governed by a synergism between climate and coarse-scale topographic heterogeneity.
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The use of isotope tracers for identifying populations of migratory birds
TLDR
Preliminary analyses of the δD and δ13C composition of feathers collected from warblers in their Caribbean winter grounds indicate that these individuals were mostly from northern breeding populations, and variances in isotope ratios in samples from local areas in winter tended to be larger than those in summer, suggesting that individuals from different breeding localities may mix in winter habitats.
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Predicting continental-scale patterns of bird species richness with spatially explicit models
TLDR
The analyses suggest that present models inadequately explain the extraordinary diversity of avian species in the montane tropics, the most species-rich region on Earth, and imply that correlative climatic models substantially underestimate the importance of historical factors and small-scale niche-driven assembly processes in shaping contemporary species- richness patterns.
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A multilocus molecular phylogeny of the parrots (Psittaciformes): support for a Gondwanan origin during the cretaceous.
TLDR
The results support a Cretaceous origin of Psittaciformes in Gondwana after the separation of Africa and the India/Madagascar block with subsequent diversification through both vicariance and dispersal.
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Global phylogeographic limits of Hawaii's avian malaria
TLDR
It is shown that Hawaii's avian malaria, which can cause high mortality and is a major limiting factor for many species of native passerines, represents just one of the numerous lineages composing the morphological parasite species.
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Linking Breeding and Wintering Ranges of a Migratory Songbird Using Stable Isotopes
TLDR
It is shown that most birds wintering on western Caribbean islands come from the northern portion of the species' North American breeding range, whereas those on more easterly islands are primarily from southern breeding areas, indicating considerable population mixing with respect to breeding longitude.
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