A. Crawford

Publications85
h-index25
Citations2,657
Highly Influential Citations166
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  • Publications
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Relative Rates of Nucleotide Substitution in Frogs
  • A. Crawford
  • Biology, Medicine
  • Journal of Molecular Evolution
  • 1 December 2003
Accurate estimation of relative mutation rates of mitochondrial DNA (mtDNA) and single-copy nuclear DNA (scnDNA) within lineages contributes to a general understanding of molecular evolutionary… Expand
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Molecular Studies and Phylogeography of Amazonian Tetrapods and their Relation to Geological and Climatic Models
Explaining the origins and evolution of Amazonian biodiversity continues to be an outstanding question in evolutionary biology. A plethora of mechanisms for promoting diversifi cation has been… Expand
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Biogeography of the túngara frog, Physalaemus pustulosus: a molecular perspective
Physalaemus pustulosus, a small leptodactylid frog with South American affinities, ranges across northern South America through Middle America to southern Mexico. To investigate its geographic… Expand
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Cenozoic biogeography and evolution in direct-developing frogs of Central America (Leptodactylidae: Eleutherodactylus) as inferred from a phylogenetic analysis of nuclear and mitochondrial genes.
We report the first phylogenetic analysis of DNA sequence data for the Central American component of the genus Eleutherodactylus (Anura: Leptodactylidae: Eleutherodactylinae), one of the most… Expand
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The role of tropical dry forest as a long‐term barrier to dispersal: a comparative phylogeographical analysis of dry forest tolerant and intolerant frogs
We used a comparative phylogeographical approach to investigate the origins of the disjunct wet forest biota of the Golfo Dulce region along the Pacific slope of Costa Rica. This region is isolated… Expand
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High Levels of Diversity Uncovered in a Widespread Nominal Taxon: Continental Phylogeography of the Neotropical Tree Frog Dendropsophus minutus
Species distributed across vast continental areas and across major biomes provide unique model systems for studies of biotic diversification, yet also constitute daunting financial, logistic and… Expand
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Calls, colours, shape, and genes: a multi-trait approach to the study of geographic variation in the Amazonian frog Allobates femoralis
Evolutionary divergence in behavioural traits related to mating may represent the initial stage of speciation. Direct selective forces are usually invoked to explain divergence in mate-recognition… Expand
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Phylogeography of the Pygmy Rain Frog (Pristimantis ridens) across the lowland wet forests of isthmian Central America.
We used a phylogeographic approach to elucidate the evolutionary history of a lineage of frogs, known as Pristimantis (formerly Eleutherodactylus) ridens (Anura: Brachycephalidae), restricted to the… Expand
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ARTICLE Molecular phylogeny of an endemic radiation of Cuban toads (Bufonidae: Peltophryne) based on mitochondrial and nuclear genes
Aim In this study we present a molecular phylogenetic and phylogeographical analysis of Peltophryne (Anura: Bufonidae), an endemic genus of Antillean toads, to investigate the spatial and temporal… Expand
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The global distribution of methane in the troposphere
Methane has been measured in air samples collected at approximately weekly intervals at 23 globally distributed sites in the NOAA/GMCC cooperative flask sampling network. Sites range in latitude from… Expand
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