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Evaluating Residence Patterns among Prehistoric Populations: Clues from Dental Enamel Composition

KIM N. SCHNEIDER and DONALD J. BLAKESLEE
Human Biology
Vol. 62, No. 1, Special Issue on Quantitative Traits and Population Structure (February 1990), pp. 71-83
Stable URL: http://www.jstor.org/stable/41932291
Page Count: 13
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Evaluating Residence Patterns among Prehistoric Populations: Clues from Dental Enamel Composition
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Abstract

We determined enamel composition (Ca, P, Mg, Cu, Mn, Se, Zn, Al, Sr, Pb) for the mandibular canines of 94 individuals from 4 prehistoric Arikara cemetery populations, collecting the compositional data using scanning electron microscopy energy dispersive x-ray analysis. We examined each of the four samples independently and then pooled them for a group comparison using correspondence analysis. The results indicate significant intrapopulational dispersal, particularly when viewed by age and sex subgroups. When all sites are included for correspondence analysis, a distinctive pattern of adult male dispersal compared to the more tightly clustered adult female and subadult subsample is apparent. We hypothesize that the observed pattern of dispersal indicates local geographic and possible dietary differences among the groups. Furthermore, we hypothesize that the observed differences between males, and females and subadults for each site are the result of a residence pattern of out-migration for males.

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