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Habitat preference modulates transoceanic dispersal in a terrestrial vertebrate
Blom M.P.K., Matzke N.J., Bragg J.G., Arida E., Austin C.C., Backlin A.R., Carretero M.A., Fisher R.N., Glaw F., Hathaway S.A., Iskandar D.T., McGuire J.A., Karin B.R., Reilly S.B., Rittmeyer E.N., Rocha S., Sanchez M., Stubbs A.L., Vences M., Moritz C.
[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]© 2019 The Author(s) Published by the Royal Society. All rights reserved.The importance of long-distance dispersal (LDD) in shaping geographical distributions has been debated since the nineteenth century. In terrestrial vertebrates, LDD events across large water bodies are considered highly improbable, but organismal traits affecting dispersal capacity are generally not taken into account. Here, we focus on a recent lizard radiation and combine a summary-coalescent species tree based on 1225 exons with a probabilistic model that links dispersal capacity to an evolving trait, to investigate whether ecological specialization has influenced the probability of trans-oceanic dispersal. Cryptoblepharus species that occur in coastal habitats have on average dispersed 13 to 14 times more frequently than non-coastal species and coastal specialization has, therefore, led to an extraordinarily widespread distribution that includes multiple continents and distant island archipelagoes. Furthermore, their presence across the Pacific substantially predates the age of human colonization and we can explicitly reject the possibility that these patterns are solely shaped by human-mediated dispersal. Overall, by combining new analytical methods with a comprehensive phylogenomic dataset, we use a quantitative framework to show how coastal specialization can influence dispersal capacity and eventually shape geographical distributions at a macroevolutionary scale.[/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]Animal Distribution,Animals,Biological Evolution,Ecosystem,Lizards,Oceans and Seas,Phylogeny,Phylogeography,Population Dynamics[/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]Biogeography,Cryptoblepharus,Exon capture,Long-distance dispersal[/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][{‘$’: ‘We thank Umilaela Arifin, Gilang Ramadhan, Kristopher Harmon, Sarah Hykin, Amir Hamidy, Luke Bloch, Barnabus Wilmot, Georgia Kaipu, Jim Animiato, Bulisa Iova, Cathy Newman, Donna Dittmann, Hiroo Takahashi, Jean-Yves Meyer, Matthew Fujita, Foteini Spagopoulou, Sally Potter, Renae Pratt, Huw Ogilvie, Seychelles Island Foundation, Gump Field Station, the National Geographic Society and the Mohamed bin Zayed Fund for Species Conservation, for helping in the field and/or supporting this work.’}, {‘$’: ‘Fieldwork of M.P.K.B. was supported by a National Geographic Young Explorers Grant (9594-14) and the Mohamed bin Zayed Species Conservation Fund (14058475). Additional support was provided through grants from the Australian Research Council to C.M. and N.J.M. (DECRA no. DE150101773), the National Science Foundation to J.A.M. and C.C.A. (NSF DEB-1258185, DEB-1146033). N.J.M. was further supported by The Australian National University, the University of Auckland and Marsden grant nos 16-UOA-277, 18-UOA-034. Furthermore, R.N.F./S.A.H./A.R.B. received support from the Ecosystems Mission Area in USGS, Conservation International and SPREP, but the use of trade, product or firm names does not imply endorsement by the US government. Lastly, we also thank staff at various museums for providing access to tissues and would like to acknowledge the invaluable support of natural history collections.’}][/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/10.1098/rspb.2018.2575[/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]