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    Phylogeny and Rates of Molecular Evolution in the Aphelocoma Jays (Corvidae)

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    Peterson_Auk_109(1)134.pdf (490.8Kb)
    Issue Date
    1992-01-01
    Author
    Peterson, A. Townsend
    Publisher
    Central Ornithology Publication Office
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
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    Abstract
    I examined hypotheses of Aphelocoma jay phylogeny derived from allozyme data. Results from various algorithms differ in details, but the overall patterns are consistent: Scrub Jays (A. coerulescens) and Unicolored Jays (A. unicolor) were derived independently from different populations of Gray-breasted Jays (A. ultramarina). Within Scrub Jays, the californica subspecies group was derived from the populations of interior North America (woodhouseii group). One Unicolored Jay population and two Scrub Jay populations, all strongly differentiated, are placed consistently at the base of the phylogeny, but phenotypic, biogeographic, and theoretical evidence suggests that these populations represent rapidly evolving populations derived from within populations of their respective species. Because analyses of rates of molecular evolution demonstrate significant rate heterogeneity, I suggest that the application of a molecular clock to date-splitting events in the Aphelocoma jays is not a valid approach.
    URI
    http://hdl.handle.net/1808/17931
    DOI
    https://doi.org/10.2307/4088274
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    • Ecology & Evolutionary Biology Scholarly Works [1493]
    Citation
    Peterson, A. Townsend. (1992). "Phylogeny and Rates of Molecular Evolution in the Aphelocoma Jays (Corvidae)." The Auk, 109(1):134-148. http://www.dx.doi.org/10.2307/4088274.

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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