Multi-isotopic and morphometric evidence for the migration of farmers leading up to the Inka conquest of the southern Andes
We present isotopic and morphometric evidence suggesting the migration of farmers in the southern Andes in the period AD 1270–1420, leading up to the Inka conquest occurring ~ AD 1400. This is based on the interdisciplinary study of human remains from archaeological cemeteries in the Andean Uspallat...
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creator | Barberena, Ramiro Menéndez, Lumila le Roux, Petrus J. Marsh, Erik J. Tessone, Augusto Novellino, Paula Lucero, Gustavo Luyt, Julie Sealy, Judith Cardillo, Marcelo Gasco, Alejandra Llano, Carina Frigolé, Cecilia Guevara, Daniela Da Peña, Gabriela Winocur, Diego Benítez, Anahí Cornejo, Luis Falabella, Fernanda Méndez, César Nuevo-Delaunay, Amalia Sanhueza, Lorena Sagredo, Francisca Santana Troncoso, Andrés Zárate, Sol Durán, Víctor A. Cortegoso, Valeria |
description | We present isotopic and morphometric evidence suggesting the migration of farmers in the southern Andes in the period AD 1270–1420, leading up to the Inka conquest occurring ~ AD 1400. This is based on the interdisciplinary study of human remains from archaeological cemeteries in the Andean Uspallata Valley (Argentina), located in the southern frontier of the Inka Empire. The studied samples span AD 800–1500, encompassing the highly dynamic Late Intermediate Period and culminating with the imperial expansion. Our research combines a macro-regional study of human paleomobility and migration based on a new strontium isoscape across the Andes that allows identifying locals and migrants, a geometric morphometric analysis of cranio-facial morphology suggesting separate ancestral lineages, and a paleodietary reconstruction based on stable isotopes showing that the migrants had diets exceptionally high in C
4
plants and largely based on maize agriculture. Significantly, this migration influx occurred during a period of regional demographic increase and would have been part of a widespread period of change in settlement patterns and population movements that preceded the Inka expansion. These processes increased local social diversity and may have been subsequently utilized by the Inka to channel interaction with the local societies. |
doi_str_mv | 10.1038/s41598-020-78013-x |
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4
plants and largely based on maize agriculture. Significantly, this migration influx occurred during a period of regional demographic increase and would have been part of a widespread period of change in settlement patterns and population movements that preceded the Inka expansion. 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plants and largely based on maize agriculture. Significantly, this migration influx occurred during a period of regional demographic increase and would have been part of a widespread period of change in settlement patterns and population movements that preceded the Inka expansion. 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This is based on the interdisciplinary study of human remains from archaeological cemeteries in the Andean Uspallata Valley (Argentina), located in the southern frontier of the Inka Empire. The studied samples span AD 800–1500, encompassing the highly dynamic Late Intermediate Period and culminating with the imperial expansion. Our research combines a macro-regional study of human paleomobility and migration based on a new strontium isoscape across the Andes that allows identifying locals and migrants, a geometric morphometric analysis of cranio-facial morphology suggesting separate ancestral lineages, and a paleodietary reconstruction based on stable isotopes showing that the migrants had diets exceptionally high in C
4
plants and largely based on maize agriculture. Significantly, this migration influx occurred during a period of regional demographic increase and would have been part of a widespread period of change in settlement patterns and population movements that preceded the Inka expansion. These processes increased local social diversity and may have been subsequently utilized by the Inka to channel interaction with the local societies.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>33273534</pmid><doi>10.1038/s41598-020-78013-x</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-1348-2331</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | 704/47 704/844 Farmers Humanities and Social Sciences Isotopes Migrants Migration Morphometry multidisciplinary Multidisciplinary Sciences Science Science & Technology Science & Technology - Other Topics Science (multidisciplinary) Stable isotopes Strontium |
title | Multi-isotopic and morphometric evidence for the migration of farmers leading up to the Inka conquest of the southern Andes |
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