在刚果盆地协作食期间,BaYaka母亲平衡了照顾孩子和维持生计的任务
Amandine E S Visine1, Adam H Boyette1, Yann Reische Ouamba2
1Department of Human Behavior, Ecology and Culture, Max Planck Institute for Evolutionary Anthropology, Leipzig, 04103, Germany.
Scientific reports
|October 22, 2024
概括
拜雅卡母亲会带着婴儿进行更长的食之旅,但婴儿的存在不会影响婴儿的流动性或食物回报. 群体食动态,像竞争一样,影响回报,但母亲保持能量和净食物,有助于儿童作为照顾者.
科学领域:
- 人类行为生态学 人类行为生态学
- 人类学是人类学.
- 进化生物学是进化的生物学.
背景情况:
- 世界各地的母亲平衡了照顾孩子和劳动.
- 狩猎采集的母亲在寻找食物时面临着婴儿护理的决定.
- 婴儿存在对食效率的影响尚不清楚.
研究的目的:
- 调查婴儿的存在如何影响BaYaka母亲的食流动性和食物回报.
- 检查群体食动态对母亲生计活动的影响.
- 了解母亲在平衡照顾孩子和获取资源方面的适应性策略.
主要方法:
- 利用GPS,心率监测器和348次采粮旅行的食物返回数据.
- 收集了来自刚果共和国22名BaYaka母亲的数据.
- 与婴儿存在和没有婴儿存在,以及不同群体大小的营养旅行特征进行比较.
主要成果:
- 母亲在婴儿在场时进行长时间旅行.
- 婴儿的存在对母亲的流动性,能量消耗或食物回报没有显著的影响.
- 由于潜在的食品竞争,较大群体的食物回报率下降.
- 增加了食物回报,当儿童协助作为护理人员在食小组.
- 尽管条件不同,但母亲的能量消耗和净食品回报保持一致.
结论:
- 拜雅卡母亲有效地平衡了照顾孩子和维持生计,婴儿的存在不会妨碍食效率.
- 群体大小会影响食的成功,但母亲会采用策略来维持能量平衡.
- 儿童在支持母亲的食努力中发挥着至关重要的作用,突出了合作儿童保育的动态.
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