The life history of human foraging: Cross-cultural and individual variation
The life history of human foraging: Cross-cultural and individual variation
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DOI：
10.1126/sciadv.aax9070
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发表时间：
2020-06-01
期刊：
影响因子：
13.6
通讯作者：
Ross, Cody
中科院分区：
文献类型：
--
作者：
Koster, Jeremy;McElreath, Richard;Ross, Cody
人类的适应依赖于缓慢的生活史、复杂的生产技能和广泛的社会性的整合。随着年龄的增长，知识、技能和生产率的测量越来越准确，这有助于完善和测试人类生活史和文化学习的进化模型。我们通过从40个地点的1800多个人产生的大约23,000个狩猎记录中推断猎人技能的增加和下降来实现这一目标。数据显示，生产力高峰期的平均年龄在30至35岁之间，尽管高技能在成年期的大部分时间里都能保持。此外，在个体和地点之间都有很大的差异。在研究中心内，个体间的差异更多地取决于下降率的异质性，而不是增加率。这种分析尖锐的问题，共同进化的人类生活史和文化适应。
Human adaptation depends on the integration of slow life history, complex production skills, and extensive sociality. Refining and testing models of the evolution of human life history and cultural learning benefit from increasingly accurate measurement of knowledge, skills, and rates of production with age. We pursue this goal by inferring hunters' increases and declines of skill from approximately 23,000 hunting records generated by more than 1800 individuals at 40 locations. The data reveal an average age of peak productivity between 30 and 35 years of age, although high skill is maintained throughout much of adulthood. In addition, there is substantial variation both among individuals and sites. Within study sites, variation among individuals depends more on heterogeneity in rates of decline than in rates of increase. This analysis sharpens questions about the coevolution of human life history and cultural adaptation.