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Together, these allow demographic overviews at spatial and temporal scales where detailed architectural-based estimates of population are not yet possible.


That pilot study (20) revealed considerable contemporaneous variability in the juvenility index, some of which seemed to be related to subregion.

1000, life expectancy at 15 had been increasing (slowly at first, and then more rapidly) for some 1,900 y.

Here, we present juvenility indices from 194 sites and composite samples consisting of 10,199 sets of human remains, including those tallied in ref.

This larger sample allows us to partition values by subregion, revealing unsuspected spatial and temporal variability that affects our understanding of the causes of variability in CBR, and therefore the sources of culture change in the pre-Hispanic US Southwest.

This material is based on work supported by the National Science Foundation under Grant DEB-0816400.

In common with many Neolithic peoples, pre-Hispanic Puebloans experienced very high birth rates, especially between A.

1200 until the end of this sequence complement declines in population visible in architectural data (12) and suggest a proximate cause for the “core decay” (35) long noted for this area and for the eventual disappearance of the Hohokam.

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The pithouse was the traditional home for a Hohokam family.

For the Neolithic North American Southwest, we use indirect methods to estimate birth rate and life expectancy, two major factors determining population size.

5 when they possibly exceeded the highest in the world today, and quite low life expectancy at birth.