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vol.42 número2COMPORTAMIENTO MORTUORIO CHACHAPOYA: CONSIDERACIONES METODOLÓGICAS E INTERPRETATIVASVARIACIÓN EN HISTORIAS DIETÉTICAS ENTRE LOS INMIGRANTES DE MACHU PICCHU: EVIDENCIA DE ISÓTOPOS DE CARBONO Y NITRÓGENO índice de autoresíndice de materiabúsqueda de artículos
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Chungará (Arica)

versión On-line ISSN 0717-7356

Resumen

GIL, Adolfo F; NEME, Gustavo A  y  TYKOF, Roben H. STABLE ISOTOPES AND MAIZE CONSUMPTION IN CENTRAL WESTERN ARGENTINA: TEMPORAL AND SPATIAL TRENDS. Chungará (Arica) [online]. 2010, vol.42, n.2, pp.497-513. ISSN 0717-7356.  http://dx.doi.org/10.4067/S0717-73562010000200011.

This work explores the chronological and spatial variability of collagen and apatite δl3C and collagen δI5N values for human remains, in order to evaluate the incorporation ofcorn in the diet in central-western Argentina, the pre-Hispanic Southern limit of American agriculture. The study includes 104 samples of archaeological human remains recovered from sites between 32° and 40° S and with chronologies spanning the last 6,000 years. The research also presents information on the isotopic ecology of the región. The δI3C results show a low correlation with both latitude and time. The individuals who appear to have a significant amount ofmaize in the diet are from the northemmost sector and date to the last 1,500 years. Despite that tendency, however, there is extensive variability among all individuals, including those from the same time andplace. The results weaken the supposed gradual dispersion in space and time ofcorn, showing instead a high degree of heterogeneity for the importance ofmaize near the southern limit of its agricultural diffusion.

Palabras clave : Central Western Argentina; pre-Hispanic maize; human diet; stable isotopes.

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