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- W3012050580 abstract "espanolEste trabajo presenta el analisis filogenetico de las puntas de proyectil lanceoladas del Holoceno medio de las Tierras Altas Surandinas. Aplicamos el metodo cladistico y un enfoque de evidencia total, al integrar un conjunto solido de datos morfologicos, metricos y discretos. A traves de esta metodologia, documentamos una fuerte senal filogenetica en el conjunto de datos culturales, y una estructura que se ajusta al modelo cladistico de evolucion ramificante. El arbol filogenetico obtenido revela el patron de cambio evolutivo de estos artefactos, asi como un proceso de diversificacion de clases de puntas. Concluimos que en el area de estudio se produjo un proceso de diversificacion de puntas de proyectil durante el Holoceno medio en tandem con una tendencia general hacia la reduccion en el tamano de las puntas; y asociado a la aparicion de nuevas tecnicas de caza. Discutimos estos resultados sugiriendo que este proceso de diversificacion fue el producto de un aumento en la tasa de innovacion tecnologica que acompano al crecimiento de la poblacion desde el comienzo de la mitad del Holoceno. EnglishThis work presents the phylogenetic analysis of the mid-Holocene lanceolate projectile points from the southern Andean Highlands region. We applied the cladistics method and a total evidence approach, by integrating a robust set of morphological, metric and discrete data. Through this methodology, we documented a strong phylogenetic signal in the cultural data set, and a structure which fits the cladistic model of branching evolution. The obtained phylogenic tree reveals the pattern of evolutionary change of these artifacts as well as a process of diversification of point classes. We conclude that in the study area the diversification of projectile point classes occurred during the mid-Holocene in tandem with a general trend towards the reduction in size of the points; and associated with the spread of new hunting techniques. We discuss these results suggesting that this process of diversification was the result of an increased rate of technological innovation that accompanied population growth since the beginning of the mid-Holocene. (English) [ABSTRACT FROM AUTHOR]" @default.
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- W3012050580 date "2019-12-01" @default.
- W3012050580 modified "2023-09-23" @default.
- W3012050580 title "Filogenias andinas: Análisis cladístico de las puntas líticas lanceoladas del Holoceno medio de la puna de Argentina y norte de Chile" @default.
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