Morphological variation and fluctuating asymmetry among insular populations of the sleepy lizard, Trachydosaurus rugosus Gray (Squamata: Scincidae)

S. Sarre, J.M. Dearn

    Research output: Contribution to journalArticle

    19 Citations (Scopus)

    Abstract

    Analysis of 21 morphological characters revealed greater divergence among the island populations than among those on the mainland, but morphological relationships among populations showed little congruence with the relationships expected from their geographic proximity. High levels of developmental instability were observed in three of the island populations, probably by genetic drift and inbreeding resulting from small population size. Developmental stability may be more useful in monitoring genetic changes in wildlife populations than the conventional method of allozyme electrophoresis. -from Authors
    Original languageEnglish
    Pages (from-to)91-104
    Number of pages14
    JournalAustralian Journal of Zoology
    Volume39
    Issue number1
    Publication statusPublished - 1991

    Fingerprint

    fluctuating asymmetry
    Scincidae
    Squamata
    lizard
    lizards
    developmental stability
    genetic drift
    inbreeding
    allozyme
    population size
    electrokinesis
    divergence
    monitoring
    allozymes
    electrophoresis
    wildlife
    method
    analysis

    Cite this

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    title = "Morphological variation and fluctuating asymmetry among insular populations of the sleepy lizard, Trachydosaurus rugosus Gray (Squamata: Scincidae)",
    abstract = "Analysis of 21 morphological characters revealed greater divergence among the island populations than among those on the mainland, but morphological relationships among populations showed little congruence with the relationships expected from their geographic proximity. High levels of developmental instability were observed in three of the island populations, probably by genetic drift and inbreeding resulting from small population size. Developmental stability may be more useful in monitoring genetic changes in wildlife populations than the conventional method of allozyme electrophoresis. -from Authors",
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    N2 - Analysis of 21 morphological characters revealed greater divergence among the island populations than among those on the mainland, but morphological relationships among populations showed little congruence with the relationships expected from their geographic proximity. High levels of developmental instability were observed in three of the island populations, probably by genetic drift and inbreeding resulting from small population size. Developmental stability may be more useful in monitoring genetic changes in wildlife populations than the conventional method of allozyme electrophoresis. -from Authors

    AB - Analysis of 21 morphological characters revealed greater divergence among the island populations than among those on the mainland, but morphological relationships among populations showed little congruence with the relationships expected from their geographic proximity. High levels of developmental instability were observed in three of the island populations, probably by genetic drift and inbreeding resulting from small population size. Developmental stability may be more useful in monitoring genetic changes in wildlife populations than the conventional method of allozyme electrophoresis. -from Authors

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