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Phylogeography and historical demography of Polypedates leucomystax in the islands of Indonesia and the Philippines: Evidence for recent human-mediated range expansion?
Brown R.M.a, Linkem C.W.a, Siler C.D.a, Sukumaran J.a, Esselstyn J.A.a, Diesmos A.C.b, Iskandar D.T.c, Bickford D.d, Evans B.J.e, McGuire J.A.f, Grismer L.g, Supriatna J.h, Andayani N.h
a Department of Ecology and Evolutionary Biology and Biodiversity Institute, University of Kansas, United States
b National Museum of the Philippines, Philippines
c School of Life Sciences and Technology, Institut Teknologi Bandung, Indonesia
d National University of Singapore, Singapore
e Department of Biology, McMaster University, Canada
f Museum of Vertebrate Zoology and Department of Integrative Biology, University of California, United States
g Department of Biology, La Sierra University, United States
h Department of Biology, Universitas Indonesia, Indonesia
[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]Southeast Asia’s widespread species offer unique opportunities to explore the effects of geographical barriers to dispersal on patterns of vertebrate lineage diversification. We analyzed mitochondrial gene sequences (16S rDNA) from a geographically widespread sample of 266 Southeast Asian tree frogs, including 244 individuals of Polypedates leucomystax and its close relatives. Our expectation was that lineages on island archipelagos would exhibit more substantial geographic structure, corresponding to the geological history of terrestrial connectivity in this region, compared to the Asian mainland. Contrary to predictions, we found evidence of numerous highly divergent lineages from a limited area on the Asian mainland, but fewer lineages with shallower divergences throughout oceanic islands of the Philippines and Indonesia. Surprisingly and in numerous instances, lineages in the archipelagos span distinct biogeographical provinces. Phylogeographic analyses identified four major haplotype clades; summary statistics, mismatch distributions, and Bayesian coalescent inference of demography provide support for recent range expansion, population growth, and/or admixture in the Philippine and some Sulawesi populations. We speculate that the current range of P. leucomystax in Southeast Asia is much larger now than in the recent past. Conversion of forested areas to monoculture agriculture and transportation of agricultural products between islands may have facilitated unprecedented population and range expansion in P. leucomystax throughout thousands of islands in the Philippine and Indonesian archipelagos. © 2010 Elsevier Inc.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Asia,Cryptic species,Genetic diversity,Human-mediated dispersal,Panmixia,Range expansion,Widespread species[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text]We thank the Parks and Wildlife Bureau (PAWB) of the Philippine Department of Environment and Natural Resources (DENR), the Economic Planning Unit (EPU) of Malaysia, the Chinese Forestry Division, the Indonesia Institute of Sciences (LIPI), and the Indonesian Department of Forestry for permission to conduct research, collect, and export genetic samples to the U.S. We thank the National Museum of the Philippines, the Forest Research Institute of Malaysia, the Institut Teknologi Bandung, and the Museum Zoologicum Bogoriense for participation in this research by provision of specimens and samples. Initial financial support for RMB’s fieldwork was provided by the Society of Systematic Biologists, the U.S. National Science Foundation (Dissertation Improvement Grant DEB 073199), the Society for the Study of Amphibians and Reptiles, the American Society of Ichthyologists and Herpetologists, the Texas Memorial Museum of the University of Texas, the KU College of Liberal Arts and Sciences General Research Fund, and Natural History Museum of the University of Kansas. Our fieldwork on Sulawesi was supported by NSF DEB 0328700 and 0640967 to J. McGuire and D. Cannatella and DEB 602000 to R. Brown. Field work in China has been supported by DEB 0344430 to T. Peterson, R Brown, D. Clayton, and B. Lim. Recent fieldwork in the Philippines has been supported by DEB 0804115 to C.D.S. and DEB 0743491 to R. Brown, R. Moyle, S. Bush, and D. Clayton. We thank R. Inger, H. Voris (FMNH), B. Stuart (North Carolina Museum of Natural History), C. Cicero (Museum of Vertebrate Zoology, University of California, Berkeley), N. Yaakob (Forest Research Institute of Malaysia) for access to genetic samples and museum specimens and our numerous field counterparts for assistance during field work. The critical reviews of two anonymous reviewers contributed to the manuscript in its final form.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.1016/j.ympev.2010.06.015[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]