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Dendrochronological dates confirm a Late Prehistoric population decline in the American Southwest derived from radiocarbon dates.
Robinson, Erick; Bocinsky, R Kyle; Bird, Darcy; Freeman, Jacob; Kelly, Robert L.
Afiliación
  • Robinson E; Department of Sociology, Social Work, and Anthropology, Utah State University, 0730 Old Main Hill, Logan, UT 84322-0730, USA.
  • Bocinsky RK; Crow Canyon Archaeological Center, 23390 Road K, Cortez, CO 81321, USA.
  • Bird D; Department of Anthropology, Washington State University, College Hall 150, PO Box 644910, Pullman, WA 99164-4910, USA.
  • Freeman J; Department of Sociology, Social Work, and Anthropology, Utah State University, 0730 Old Main Hill, Logan, UT 84322-0730, USA.
  • Kelly RL; Department of Anthropology, University of Wyoming, 1000 E. University Ave, Laramie, WY 82070, USA.
Philos Trans R Soc Lond B Biol Sci ; 376(1816): 20190718, 2021 01 18.
Article en En | MEDLINE | ID: mdl-33250020
The northern American Southwest provides one of the most well-documented cases of human population growth and decline in the world. The geographic extent of this decline in North America is unknown owing to the lack of high-resolution palaeodemographic data from regions across and beyond the greater Southwest, where archaeological radiocarbon data are often the only available proxy for investigating these palaeodemographic processes. Radiocarbon time series across and beyond the greater Southwest suggest widespread population collapses from AD 1300 to 1600. However, radiocarbon data have potential biases caused by variable radiocarbon sample preservation, sample collection and the nonlinearity of the radiocarbon calibration curve. In order to be confident in the wider trends seen in radiocarbon time series across and beyond the greater Southwest, here we focus on regions that have multiple palaeodemographic proxies and compare those proxies to radiocarbon time series. We develop a new method for time series analysis and comparison between dendrochronological data and radiocarbon data. Results confirm a multiple proxy decline in human populations across the Upland US Southwest, Central Mesa Verde and Northern Rio Grande from AD 1300 to 1600. These results lend confidence to single proxy radiocarbon-based reconstructions of palaeodemography outside the Southwest that suggest post-AD 1300 population declines in many parts of North America. This article is part of the theme issue 'Cross-disciplinary approaches to prehistoric demography'.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Arqueología / Dinámica Poblacional / Demografía Aspecto: Determinantes_sociais_saude Límite: Humans País/Región como asunto: America do norte Idioma: En Revista: Philos Trans R Soc Lond B Biol Sci Año: 2021 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Arqueología / Dinámica Poblacional / Demografía Aspecto: Determinantes_sociais_saude Límite: Humans País/Región como asunto: America do norte Idioma: En Revista: Philos Trans R Soc Lond B Biol Sci Año: 2021 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido