Biogeography of the Indonesian archipelago: mitochondrial DNA variation in the fruit bat, Eonycteris spelaea

S. Hisheh, M. Westerman, Linc Schmitt

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    18 Citations (Scopus)

    Abstract

    The fruit bat, Eonycteris spelaea, occurs from India through the Philippines to the southeast limit of its distribution in the Lesser Sunda islands of Indonesia. Mitochondrial DNA (mtDNA) variation was examined in Indonesian E. spelaea island populations by amplification of the D-loop and digestion with restriction endonucleases. In addition: microgeogaphic Variation was assessed by investigation of three cave populations within one island. A total of 24 genotypes, comprising two broad clades, was detected. The pattern of mtDNA variation reflects the colonization history off. spelaea with estimates of haplotype and sequence diversity highest in the older western populations and lowest at the eastern periphery of the species' distribution. These findings may also be associated with an environmental dine from west to east. There is also evidence that genetic distance between populations reflects geographic relationships, especially historical connectedness, as measured by Pleistocene sea-crossing distances. At the microgeographic level, cave populations were heterogeneous and composed of diverse lineages suggesting restricted local interchange. (C) 1998 The Linnean Society of London.
    Original languageEnglish
    Pages (from-to)329-345
    JournalBiological Journal of the Linnean Society
    Volume65
    DOIs
    Publication statusPublished - 1998

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