age, sex, fertility and mortality at two sites on the middle san juan river
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
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
• D30+/D5+
• Fertility• D5-/D45+
• Sex Ratio Imbalance
Age Categories
Broad Age Category Narrow Age Category
0-19
0-4
5-9
10-14
15-19
20-3420-24
25-29
30-34
35-4935-39
40-44
45-49
50+50-54
55-60
60+
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
Tommy Site
Tommy Site Age-at-Death Distribution
0%
5%
10%
15%
20%
25%
30%
35%
40%
0-4 5-9 10-14 15-19 20-24 25-29 30-34 35-39 40-44 45-49 50-54 55-59 60+
Age Categories
Per
cent
age
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
Mine Canyon Site
Mine Canyon Site Age-at-Death Distribution
0%
5%
10%
15%
20%
25%
30%
35%
40%
0-4 5-9 10-14 15-19 20-24 25-29 30-34 35-39 40-44 45-49 50-54 55-59 60+
Age Categories
Per
cent
age
Life Expectancy (e0) Comparison
• Tommy Site: 21.6
• Mine Canyon Site: 29.1
• Puebloan Average: 20.5
• Puebloan Max
• Pueblo Bonito: 26.3
Fertility Comparison
• D5-/D45+
• Tommy Site: 2.3• Mine Canyon Site: 0.8
Sex Ratio Background
-from Kohler and Turner 2006
Sex Ratio Analysis
• 11th Century• SJ Region Male Percentage: 58.1%
• Central SJ Male Percentage: 28.3%
• Tommy Site Male Percentage: 28.0%
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
70.00%
SJ Region Central SJ Subregion Tommy Site
Region
Mal
e P
erce
ntag
e
Sex Ratio Analysis
• 13th Century• Northern SJ Male Percentage: 63.9%
• Totah Male Percentage: 34.1%
• Mine Canyon Site Male Percentage: 56.3%
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
70.00%
Northern SJ Region Totah Subregion Mine Canyon Site
Region
Mal
e P
erce
nta
ge
Conclusions
• Life Expectancy Improves
• Mortality Decreases
• Fertility Decreases
• Sex Ratio Imbalance Shifts