Multi-isotopic and morphometric evidence for the migration of farmers leading up to the Inka conquest of the southern Andes

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dc.contributor.authorBarberena, Ramiro
dc.contributor.authorMenendez, Lumila
dc.contributor.authorle Roux, Petrus J.
dc.contributor.authorMarsh, Erik J.
dc.contributor.authorTessone, Augusto
dc.contributor.authorNovellino, Paula
dc.contributor.authorLucero, Gustavo
dc.contributor.authorLuyt, Julie
dc.contributor.authorSealy, Judith
dc.contributor.authorCardillo, Marcelo
dc.contributor.authorGasco, Alejandra
dc.contributor.authorLlano, Carina
dc.contributor.authorFrigole, Cecilia
dc.contributor.authorGuevara, Daniela
dc.contributor.authorDa Pena, Gabriela
dc.contributor.authorWinocur, Diego
dc.contributor.authorBenitez, Anahi
dc.contributor.authorCornejo, Luis
dc.contributor.authorFalabella, Fernanda
dc.contributor.authorMendez, Cesar
dc.contributor.authorNuevo-Delaunay, Amalia
dc.contributor.authorSanhueza, Lorena
dc.contributor.authorSantana Sagredo, Francisca
dc.contributor.authorTroncoso, Andres
dc.contributor.authorZarate, Sol
dc.contributor.authorDuran, Victor A.
dc.contributor.authorCortegoso, Valeria
dc.date2020
dc.date.accessioned2021-10-04T18:54:36Z
dc.date.available2021-10-04T18:54:36Z
dc.description.abstractWe 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 similar to 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.
dc.identifier.citationSCIENTIFIC REPORTS,Vol.10,,2020
dc.identifier.doi10.1038/s41598-020-78013-x
dc.identifier.urihttp://repositoriodigital.uct.cl/handle/10925/4405
dc.language.isoen
dc.publisherNATURE RESEARCH
dc.sourceSCIENTIFIC REPORTS
dc.subject.english
dc.titleMulti-isotopic and morphometric evidence for the migration of farmers leading up to the Inka conquest of the southern Andes
dc.typeArticle
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