La importancia del ganado no-nativo en la dieta humana en el Noroeste de Neuquén entre los Siglos XVII y XIX
; Moscardi, Bruno Federico
; Vilariño, Martin Miguel ; Gonzalez, Paula Natalia
; Perez, Sergio Ivan 
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10/2025
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Universidad Nacional de Cuyo. Facultad de Filosofía y Humanidades. Instituo de Arqueología y Etnología
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Anales de Arqueología y Etnología
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0325-0288
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Los cambios ecológicos ocurridos en el Noroeste de Neuquén durante los siglos XVII y XIX han sido escasamente estudiados. Particularmente, la introducción de especies no-nativas como ganado vacuno (Bos taurus) y caballar (Equus caballus) condujo a modificaciones en la disponibilidad de recursos que podrían resultar en variaciones en la dieta de las poblaciones originarias. El objetivo de este trabajo es analizar los cambios en la dieta de los cazadores recolectores del Noroeste de Neuquén entre el Holoceno medio-tardío y momentos históricos y específicamente establecer en qué medida se relacionaron con la incorporación del ganado europeo. Se emplearon en conjunto datos etnohistóricos, zooarqueológicos (NISP) y de isótopos estables –δ 13C (de colágeno y apatita) y δ 15N– y se aplicaron Modelos de Mezcla Bayesianos. Los resultados muestran que la composición de la dieta varió entre el Holoceno medio-tardío y momentos históricos, con mayor consumo de guanaco complementado por armadillo y vegetales en el primer momento, y consumo de ganado vacuno complementado por el guanaco y ovicápridos en el último. En general, a diferencia de lo observado en los contextos zooarqueológicos, los análisis isotópicos claramente muestran que la aparición del ganado vacuno tuvo un gran efecto sobre la ecología trófica de los grupos humanos del Noroeste de Neuquén, convirtiéndose en la principal fuente de proteínas y grasas.
The ecological changes in Northwest Neuquén between the seventeenth and nineteenth centuries have been poorly studied. In particular, the introduction of non-native species such as cattle (Bos taurus) and horses (Equus caballus) led to changes in resource availability that could have resulted in dietary shifts among indigenous populations. The objective of this study was to analyze dietary changes among hunter-gatherers in Northwest Neuquén between the Middle-Late Holocene and historical periods, and specifically to evaluate the extent to which changes were related to the introduction of European livestock. Ethnohistorical, zooarchaeological (NISP), and stable isotope data –δ 13C (from collagen and apatite) and δ 15N– were used as well as, Bayesian Mixing Models. The results show that dietary composition varied between the Middle-Late Holocene and historical periods, with greater consumption of guanacos supplemented by armadillos and vegetables in the former, and cattle consumption supplemented by guanacos and sheep and goats in the latter. In general, unlike what is observed in zooarchaeological contexts, isotopic analyses clearly show that the appearance of cattle had a significant impact on the trophic ecology of human groups in Northwest Neuquén, Cattle became the main source of protein and fat.
The ecological changes in Northwest Neuquén between the seventeenth and nineteenth centuries have been poorly studied. In particular, the introduction of non-native species such as cattle (Bos taurus) and horses (Equus caballus) led to changes in resource availability that could have resulted in dietary shifts among indigenous populations. The objective of this study was to analyze dietary changes among hunter-gatherers in Northwest Neuquén between the Middle-Late Holocene and historical periods, and specifically to evaluate the extent to which changes were related to the introduction of European livestock. Ethnohistorical, zooarchaeological (NISP), and stable isotope data –δ 13C (from collagen and apatite) and δ 15N– were used as well as, Bayesian Mixing Models. The results show that dietary composition varied between the Middle-Late Holocene and historical periods, with greater consumption of guanacos supplemented by armadillos and vegetables in the former, and cattle consumption supplemented by guanacos and sheep and goats in the latter. In general, unlike what is observed in zooarchaeological contexts, isotopic analyses clearly show that the appearance of cattle had a significant impact on the trophic ecology of human groups in Northwest Neuquén, Cattle became the main source of protein and fat.
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