ANÁLISIS DE LAS RELACIONES BIOLÓGICAS ENTRE POBLACIONES DEL N.O. ARGENTINO POR MEDIO DE CARACTERES MÉTRICOS (original) (raw)

The structure of the prehistoric population of Northwest Argentina is studied through the analysis of the phenotypic variability at a regional scale. The sample includes 961 artificially deformed and not deformed individuals, of both sexes, of post-reproductive ages belonging to four subregions (Puna, Quebrada of Humahuaca, Valliserrana and Selvas Occidentales). Thirty-five craneometric traits were examined. The variability among populations was evaluated by different techniques of multivariate statistical analysis (discriminant analysis, Mahalanobis´ D2, cluster analysis, and correlation among matrix distances). Results show that the biological relationships among subregions do not change when they are obtained with deformed skulls or skulls without deformation. Additionally, the existence of two biological conglomerates is identified, the first one is conformed by Valliserrana and Selvas Occidentales and the second by Puna and Quebrada of Humahuaca. We also show that this model is...

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