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Beringia and the global dispersal of modern humans

Hoffecker, John F. ; Elias, Scott A. ; O'Rourke, Dennis H. ; Scott, G. Richard ; Bigelow, Nancy H.

Evolutionary anthropology, 2016-03, Vol.25 (2), p.64-78 [Periódico revisado por pares]

United States: Blackwell Publishing Ltd

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  • Título:
    Beringia and the global dispersal of modern humans
  • Autor: Hoffecker, John F. ; Elias, Scott A. ; O'Rourke, Dennis H. ; Scott, G. Richard ; Bigelow, Nancy H.
  • Assuntos: Alaska-Yukon ; Anthropology ; Asia ; Biological Evolution ; Climate ; Dispersal ; genetics ; History, Ancient ; Hominids ; Homo sapiens ; Human Migration - history ; Humans ; Mitochondrial DNA ; Models, Theoretical ; Native North Americans ; North America ; Northeast Asia ; paleoecology
  • É parte de: Evolutionary anthropology, 2016-03, Vol.25 (2), p.64-78
  • Notas: ArticleID:EVAN21478
    ark:/67375/WNG-VRSXFS24-Z
    istex:FDD14F092D31C0E0399A35205B2839DA53A35DEC
    S.Elias@rhul.ac.uk
    Scott A. Elias is Professor of Quaternary Science in the Geography Department, Royal Holloway, University of London, and received his Ph.D. (environmental biology) from the University of Colorado in 1980. Email
    grscott@unr.edu
    John.Hoffecker@colorado.edu
    nhbigelow@alaska.edu
    Dennis H. O'Rourke is Foundation Distinguished Professor of Anthropology at the University of Kansas, and received his Ph.D. from the same institution in 1980. Email
    G. Richard Scott is Professor of Anthropology at the University of Nevada‐Reno and received his Ph.D. from Arizona State University in 1973. Email
    Nancy H. Bigelow is director of the Alaska Quaternary Center at the University of Alaska‐Fairbanks and received her Ph.D. (anthropology) from the same institution in 1997. Email
    John F. Hoffecker is a Fellow of the Institute of Arctic and Alpine Research at the University of Colorado‐Boulder and received a Ph.D. in anthropology from the University of Chicago in 1986. Email
    orourke@ku.edu
    ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: Until recently, the settlement of the Americas seemed largely divorced from the out‐of‐Africa dispersal of anatomically modern humans, which began at least 50,000 years ago. Native Americans were thought to represent a small subset of the Eurasian population that migrated to the Western Hemisphere less than 15,000 years ago. Archeological discoveries since 2000 reveal, however, that Homo sapiens occupied the high‐latitude region between Northeast Asia and northwest North America (that is, Beringia) before 30,000 years ago and the Last Glacial Maximum (LGM). The settlement of Beringia now appears to have been part of modern human dispersal in northern Eurasia. A 2007 model, the Beringian Standstill Hypothesis, which is based on analysis of mitochondrial DNA (mtDNA) in living people, derives Native Americans from a population that occupied Beringia during the LGM. The model suggests a parallel between ancestral Native Americans and modern human populations that retreated to refugia in other parts of the world during the arid LGM. It is supported by evidence of comparatively mild climates and rich biota in south‐central Beringia at this time (30,000‐15,000 years ago). These and other developments suggest that the settlement of the Americas may be integrated with the global dispersal of modern humans.
  • Editor: United States: Blackwell Publishing Ltd
  • Idioma: Inglês
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