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Objectives: The early groups of hunter-gatherers who peopled South America faced significant ecological changes in their trophic niche for a relatively short period after the initial peopling. In particular, the incorporation of cultigens during the Holocene led to a wider trophic niche and probably to an increased carrying capacity of the environment. Here, we study the relationship between the incorporation of domestic resources during the Holocene and the demographic dynamics of human populations at a regional scale in South America. Material and methods: We employ mitochondrial DNA (mtDNA), radiocarbon data and Bayesian methods to estimate differences in population size, human occupation and explore the demographic changes of human populations in three regions (i.e., South-Central Andes, Northwest, and South Patagonia). We also use archaeological evidence to infer the main diet changes in these regions. Results: The absolute population size during the later Late Holocene was fifteen times larger in the South-Central Andes than in Northwest Patagonia, and two times larger in the latter region than in South Patagonia. The South-Central Andes display the earlier and more abrupt population growth, beginning about 9000 years BP, whereas Northwest Patagonia exhibits a more slow growth, beginning about 7000–7500 years BP. South Patagonia represents a later and slower population increase. Discussion: In this work we uncovered a well-supported pattern of the demographic change in the populations from South-Central Andes and Patagonia, obtained on the basis of different data and quantitative approaches, which suggests that the incorporation of domestic resources was paramount for the demographic expansion of these populations during the Holocene. © 2017 Wiley Periodicals, Inc.


Documento: Artículo
Título:Domestication and human demographic history in South America
Autor:Perez, S.I.; Postillone, M.B.; Rindel, D.
Filiación:División Antropología, (FCNyM, UNLP), CONICET, La Plata, Argentina
Departamento de Ciencias Naturales y Antropológicas, (CEBBAD, UM), CONICET, Buenos Aires, Argentina
Instituto Nacional de Antropología y Pensamiento Latinoamericano, CONICET, Ciudad Autónoma de Buenos Aires, Argentina
Palabras clave:absolute population size; Bayesian methods; calibrated dates; mitochondrial DNA; population dynamic; mitochondrial DNA; archeology; Article; demography; diet; domestication; Holocene; human; population dynamics; population size; radiometric dating; South America; American Indian; Bayes theorem; ecology; female; genetics; history; migration; physical anthropology; population growth; statistics and numerical data; Anthropology, Physical; Bayes Theorem; Diet; DNA, Mitochondrial; Ecology; Female; History, Ancient; Human Migration; Humans; Indians, South American; Population Growth; South America
Página de inicio:44
Página de fin:52
Título revista:American Journal of Physical Anthropology
Título revista abreviado:Am. J. Phys. Anthropol.
CAS:DNA, Mitochondrial


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---------- APA ----------
Perez, S.I., Postillone, M.B. & Rindel, D. (2017) . Domestication and human demographic history in South America. American Journal of Physical Anthropology, 163(1), 44-52.
---------- CHICAGO ----------
Perez, S.I., Postillone, M.B., Rindel, D. "Domestication and human demographic history in South America" . American Journal of Physical Anthropology 163, no. 1 (2017) : 44-52.
---------- MLA ----------
Perez, S.I., Postillone, M.B., Rindel, D. "Domestication and human demographic history in South America" . American Journal of Physical Anthropology, vol. 163, no. 1, 2017, pp. 44-52.
---------- VANCOUVER ----------
Perez, S.I., Postillone, M.B., Rindel, D. Domestication and human demographic history in South America. Am. J. Phys. Anthropol. 2017;163(1):44-52.