| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
This study aimed to explain the cause of low fertility among shifting cultivators in East Africa by analysis of their life histories (especially individual life events such as marriage, childbirth, divorce and death). This setting ultimately meant to solve the question how fertility was related to subsistence strategy. The result of analysis of life history data among various generations showed the transformation from low fertility to high fertility after sedentarization with which they had changed their former settlement pattern of high mobility. Proximate causes of fertility change were earlier timing of marriage and shortened birth interval. It can be explained that ultimately the causes of low fertility among traditional shifting cultivators were their subsistence patterns and life history traits.
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