Fiche du document
- ISIDORE Id: 10670/1.15e261...
- halshs: halshs-02782241
- doi: 10.1038/s41559-018-0498-2
- PUBMED: 29487365
- PUBMEDCENTRAL: PMC5868730
- WOS: 000431612000028
Ce document est lié à :
info:eu-repo/semantics/altIdentifier/doi/10.1038/s41559-018-0498-2
Ce document est lié à :
info:eu-repo/semantics/altIdentifier/pmid/29487365
info:eu-repo/semantics/OpenAccess
Sujets proches
South Pacific Ocean Region South Pacific Region Islands--South Pacific Ocean South Seas South Pacific Oceanica Southwest Pacific Region South Sea IslandsCiter ce document
Cosimo Posth et al., « Language continuity despite population replacement in Remote Oceania », HALSHS : archive ouverte en Sciences de l’Homme et de la Société, ID : 10.1038/s41559-018-0498-2
Métriques
Partage / Export
Résumé
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. However, 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 ancient South Pacific individuals provide direct evidence of a so-far undescribed Papuan expansion into Remote Oceania starting -2,500 yr BP, 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.
