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Language continuity despite population replacement in Remote Oceania
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In: ISSN: 2397-334X ; Nature Ecology & Evolution ; https://halshs.archives-ouvertes.fr/halshs-02782241 ; Nature Ecology & Evolution, Nature, 2018, 2 (4), pp.731-740. ⟨10.1038/s41559-018-0498-2⟩ (2018)
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Language continuity despite population replacement in Remote Oceania
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Language continuity despite population replacement in Remote Oceania
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Posth, Cosimo; Nägele, Kathrin; Colleran, Heidi; Valentin, Frédérique; Bedford, Stuart; Kami, Kaitip W.; Shing, Richard; Buckley, Hallie; Kinaston, Rebecca; Walworth, Mary; Clark, Geoffrey R.; Reepmeyer, Christian; Flexner, James; Maric, Tamara; Moser, Johannes; Gresky, Julia; Kiko, Lawrence; Robson, Kathryn J.; Auckland, Kathryn; Oppenheimer, Stephen J.; Hill, Adrian V.S.; Mentzer, Alexander J.; Zech, Jana; Petchey, Fiona; Roberts, Patrick; Jeong, Choongwon; Gray, Russell D.; Krause, Johannes; Powell, Adam. - 2018
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Abstract:
Recent genomic analyses show that the earliest peoples reaching Remote Oceania – associated with Austronesian-speaking Lapita culture – were almost completely East Asian, without detectable Papuan ancestry. Yet Papuan-related genetic ancestry is found across present-day Pacific populations, indicating that peoples from Near Oceania have played a significant – but largely unknown – ancestral role. Here, new genome-wide data from 19 South Pacific individuals provide direct evidence of a so-far undescribed Papuan expansion into Remote Oceania starting ~2,500 years before present, far earlier than previously estimated and supporting a model from historical linguistics. New genome-wide data from 27 contemporary ni-Vanuatu demonstrate a subsequent and almost complete replacement of Lapita-Austronesian by Near Oceanian ancestry. Despite this massive demographic change, incoming Papuan languages did not replace Austronesian languages. Population replacement with language continuity is extremely rare – if not unprecedented – in human history. Our analyses show that rather than one large-scale event, the process was incremental and complex, with repeated migrations and sex-biased admixture with peoples from the Bismarck Archipelago.
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URL: https://doi.org/10.1038/s41559-018-0498-2
http://www.ncbi.nlm.nih.gov/pubmed/29487365
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5868730/
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Language continuity despite population replacement in Remote Oceania
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A Neolithic expansion, but strong genetic structure, in the independent history of New Guinea. ...
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A Neolithic expansion, but strong genetic structure, in the independent history of New Guinea
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