The use of strontium isotopes as an indicator of migration in human and pig Lapita populations in the Bismarck Archipelago,Papua New Guinea |
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Authors: | Ben J. Shaw Glenn R. Summerhayes Hallie R. Buckley Joel A. Baker |
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Affiliation: | 1. University of Otago, Department of Anatomy and Structural Biology, PO Box 913, Dunedin, New Zealand;2. Department of Anthropology, Gender and Sociology, University of Otago, PO Box 56, Dunedin, New Zealand;3. School of Geography, Environment and Earth Sciences, Victoria University, PO Box 600, Wellington New Zealand |
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Abstract: | This paper examines the potential use of strontium isotopes (87Sr/86Sr) for identifying migration within Lapita populations and their commensal animals, specifically the pig (Sus scrofa). Lapita people (ca. 3300–2200 BP) were the initial colonists of the island groups to the east of the Solomon Islands, spreading from Papua New Guinea to Tonga and Samoa within a few centuries. Mobility is assumed to have been an important mechanism for maintaining cultural solidarity between Lapita communities. It has been previously argued that Lapita populations became progressively more sedentary over time after the initial colonising events. Two Lapita sites, Kamgot and Balbalankin, from the Anir Islands in the Bismarck Archipelago are included in the analysis and fall within the Early (ca. 3300–3000/2900 BP) and Middle (ca. 3000/2900–2700 BP) Lapita periods respectively. |
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Keywords: | Lapita cultural complex Migration Anir islands Bismarck Archipelago Strontium isotopes Pigs (Sus scrofa) |
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