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Age, Sex, Fertility and Mortality at Two Sites on the Middle San Juan River

Age, Sex, Fertility and Mortality at Two Sites on the Middle San Juan River. Jesse D. Fuhrman. Research Goals. Infer population growth from: Age-at-Death Distribution Mortality Mean Age-at-Death Life Expectancy D 30+ /D 5+ Fertility D 5- /D 45+ Sex Ratio Imbalance. Age Categories.

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Age, Sex, Fertility and Mortality at Two Sites on the Middle San Juan River

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  1. Age, Sex, Fertility and Mortality at Two Sites on the Middle San Juan River Jesse D. Fuhrman

  2. Research Goals • Infer population growth from: • Age-at-Death Distribution • Mortality • Mean Age-at-Death • Life Expectancy • D30+/D5+ • Fertility • D5-/D45+ • Sex Ratio Imbalance

  3. Age Categories

  4. Tommy Site • Mortality • Mean Age-at-Death: 21.16 • Life Expectancy • e0: 21.56 more years (Age: 21.56) • e5: 26.45 more years (Age: 29.45) • e20: 19.57 more years (Age: 39.57) • D30+/D5+: 0.531

  5. Tommy Site

  6. Mine Canyon Site • Mortality • Mean Age-at-Death: 21.16 • Life Expectancy • e0: 29.10 more years (Age: 29.10) • e5: 29.18 more years (Age: 34.18) • e20: 20.70 more years (Age: 40.70) • D30+/D5+: 0.635

  7. Mine Canyon Site

  8. Life Expectancy (e0) Comparison Tommy Site: 21.6 Mine Canyon Site: 29.1 Puebloan Average: 20.5 Puebloan Max Pueblo Bonito: 26.3

  9. Fertility Comparison • D5-/D45+ • Tommy Site: 2.3 • Mine Canyon Site: 0.8

  10. Sex Ratio Background -from Kohler and Turner 2006

  11. Sex Ratio Analysis • 11th Century • SJ Region Male Percentage: 58.1% • Central SJ Male Percentage: 28.3% • Tommy Site Male Percentage: 28.0%

  12. Sex Ratio Analysis • 13th Century • Northern SJ Male Percentage: 63.9% • Totah Male Percentage: 34.1% • Mine Canyon Site Male Percentage: 56.3%

  13. Conclusions • Life Expectancy Improves • Mortality Decreases • Fertility Decreases • Sex Ratio Imbalance Shifts

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