Biogeography of the Indo-Australian Archipelago

  • David J. Lohman
    Department of Biology, The City College of New York, The City University of New York, New York, NY 10031;
  • Mark de Bruyn
    School of Biological Sciences, Bangor University, Bangor, Gwynedd LL57 2UW United Kingdom;,
  • Timothy Page
    Australian Rivers Institute, Griffith University, Nathan, Queensland 4111, Australia;
  • Kristina von Rintelen
    Museum für Naturkunde—Leibniz Institute for Research on Evolution and Biodiversity at the Humboldt University Berlin, 10115 Berlin, Germany;,
  • Robert Hall
    Southeast Asia Research Group, Department of Earth Sciences, Royal Holloway University of London, Egham, Surrey TW20 0EX, United Kingdom;
  • Peter K.L. Ng
    Department of Biological Sciences and Raffles Museum of Biodiversity Research, National University of Singapore, Singapore 117546;
  • Hsi-Te Shih
    Department of Life Science, National Chung Hsing University, Taichung 402, Taiwan;
  • Gary R. Carvalho
    School of Biological Sciences, Bangor University, Bangor, Gwynedd LL57 2UW United Kingdom;,
  • Thomas von Rintelen
    Museum für Naturkunde—Leibniz Institute for Research on Evolution and Biodiversity at the Humboldt University Berlin, 10115 Berlin, Germany;,

抄録

<jats:p>The extraordinary species richness and endemism of the Indo-Australian Archipelago (IAA) exists in one of the most geologically dynamic regions of the planet. The provenance of its biota has been debated, particularly in the area known as Wallacea. Application of molecular genetic approaches and a better understanding of the region's complex geology have stimulated much recent biogeographic work in the IAA. We review molecular phylogenetic and phylogeographic studies in light of current geological evidence. Present distribution patterns of species have been shaped largely by pre-Pleistocene dispersal and vicariance events, whereas more recent changes in the connectivity of islands within the Archipelago have influenced the partitioning of intraspecific variation. Many genetic studies have uncovered cryptic species with restricted distributions. We discuss the conservation significance of the region and highlight the need for cross-taxon comparative studies using newly developed analytical approaches well suited to the challenges of historical inference in this region.</jats:p>

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