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An ongoing Austronesian expansion in Island Southeast Asia
Stockholm University, Stockholm Resilience Centre.
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2011 (English)In: Journal of Anthropological Archaeology, ISSN 0278-4165, E-ISSN 1090-2686, Vol. 30, no 3, 262-272 p.Article in journal (Refereed) Published
Abstract [en]

The Austronesian expansion into Island Southeast Asia and the Pacific was the last and most far-reaching prehistoric human migration. Austronesian languages replaced indigenous languages over nearly half the globe, yet the absolute number of Austronesian colonists was small. Recently, geneticists have identified large geographic disparities in the relative proportions of Asian ancestry across different genetic systems (NRY, mitochondrial DNA, autosomes and X chromosomes) in Austronesian-speaking societies of Island Southeast Asia and the Pacific. Surprisingly, a substantial genetic discontinuity occurs in the middle of a continuous chain of islands that form the southern arc of the Indonesian archipelago, near the geographic center of the Austronesian world. In the absence of geographic barriers to migration, this genetic boundary and swathe of Austronesian language replacement must have emerged from social behavior. Drawing on decades of comparative ethnological research inspired by F.A.E. van Wouden's structural model of Austronesian social organization, later codified by Claude Levi-Strauss as "House societies" ("societes a maison"), we propose a two-stage ethnographic model in which the appearance of matrilocal "House societies" during the initial phase of the Austronesian expansion, and the subsequent disappearance of "House societies" in lowland rice-growing regions, accounts for the observed linguistic, genetic and cultural patterns.

Place, publisher, year, edition, pages
Elsevier, 2011. Vol. 30, no 3, 262-272 p.
Keyword [en]
anti chaosaustronesiaeastern indonesiagenetic diversityhistoryhouse societieshuman populationslevi straussmadagascarmatrilocalmelanesian ancestrynew guineapacificpolynesian motifstructuralismy chromosome diversity
National Category
Environmental Sciences
URN: urn:nbn:se:su:diva-69365DOI: 10.1016/j.jaa.2011.06.004OAI: diva2:476324
Available from: 2012-01-11 Created: 2012-01-11 Last updated: 2012-09-19Bibliographically approved

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Lansing, John Stephen
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