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The native groups of Patagonia have relied on a hunter-gatherer economy well after the first Europeans and North Americans reached this part of the world. The large exploitation of marine mammals (i.e., seals) by such allochthonous groups has had a strong impact on the local ecology in a way that might have forced the natives to adjust their subsistence strategies. Similarly, the introduction of new foods might have changed local diet. These are the premises of our isotopic-based analysis. There is a large set of paleonutritional investigations through isotopic analysis on Fuegians groups, however a systematic exploration of food practices across time in relation to possible pre- A nd post-contact changes is still lacking. In this paper we investigate dietary variation in hunter-gatherer groups of Tierra del Fuego in a diachronic perspective, through measuring the isotopic ratio of carbon (∂13C) and nitrogen (∂15N) in the bone collagen of human and a selection of terrestrial and marine animal samples. The data obtained reveal an unexpected isotopic uniformity across prehistoric and recent groups, with little variation in both carbon and nitrogen mean values, which we interpret as the possible evidence of resilience among these groups and persistence of subsistence strategies, allowing inferences on the dramatic contraction (and extinction) of Fuegian populations. © 2017 Tafuri et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Documento: Artículo
Título:Dietary resilience among hunter-gatherers of Tierra del Fuego: Isotopic evidence in a diachronic perspective
Autor:Tafuri, M.A.; Zangrando, A.F.J.; Tessone, A.; Kochi, S.; Cecchi, J.M.; Vincenzo, F.D.; Profico, A.; Manzi, G.
Filiación:Dipartimento di Biologia Ambientale, Sapienza Università di Roma, Rome, Italy
CADIC, CONICET, Ushuaia, Argentina
INGEIS-CONICET, Pabellon INGEIS, Buenos Aires, Argentina
Dipartimento di Biologia, Università degli Studi di Firenze, Firenze, Italy
Palabras clave:carbon; collagen; isotope; nitrogen; carbon; nitrogen; adult; Argentinian; Article; bone; controlled study; dietary intake; ethnicity; female; human; human tissue; infant; Italian (citizen); male; marine species; nonhuman; paleolithic diet; species extinction; terrestrial species; American Indian; analysis; animal; aquatic species; archeology; chemistry; feeding behavior; history; physical anthropology; sediment; South America; Animals; Anthropology, Physical; Aquatic Organisms; Archaeology; Bone and Bones; Carbon Isotopes; Collagen; Feeding Behavior; Female; Geologic Sediments; History, Ancient; Humans; Indians, South American; Male; Nitrogen Isotopes; South America
Título revista:PLoS ONE
Título revista abreviado:PLoS ONE
CAS:carbon, 7440-44-0; collagen, 9007-34-5; nitrogen, 7727-37-9; Carbon Isotopes; Collagen; Nitrogen Isotopes


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---------- APA ----------
Tafuri, M.A., Zangrando, A.F.J., Tessone, A., Kochi, S., Cecchi, J.M., Vincenzo, F.D., Profico, A.,..., Manzi, G. (2017) . Dietary resilience among hunter-gatherers of Tierra del Fuego: Isotopic evidence in a diachronic perspective. PLoS ONE, 12(4).
---------- CHICAGO ----------
Tafuri, M.A., Zangrando, A.F.J., Tessone, A., Kochi, S., Cecchi, J.M., Vincenzo, F.D., et al. "Dietary resilience among hunter-gatherers of Tierra del Fuego: Isotopic evidence in a diachronic perspective" . PLoS ONE 12, no. 4 (2017).
---------- MLA ----------
Tafuri, M.A., Zangrando, A.F.J., Tessone, A., Kochi, S., Cecchi, J.M., Vincenzo, F.D., et al. "Dietary resilience among hunter-gatherers of Tierra del Fuego: Isotopic evidence in a diachronic perspective" . PLoS ONE, vol. 12, no. 4, 2017.
---------- VANCOUVER ----------
Tafuri, M.A., Zangrando, A.F.J., Tessone, A., Kochi, S., Cecchi, J.M., Vincenzo, F.D., et al. Dietary resilience among hunter-gatherers of Tierra del Fuego: Isotopic evidence in a diachronic perspective. PLoS ONE. 2017;12(4).