Adult knowledge of wild plants associated with limited delayed health and nutritional benefits for children or adults in the face of external change: A yearly panel (2003−2010) study among Tsimane’, an indigenous Amazonian society in Bolivia

IF 3 1区 心理学 Q1 BEHAVIORAL SCIENCES
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Abstract

Cross-sectional studies suggest that local ecological knowledge (LEK) helps humans cope with their environment. Among the forms of LEK, adult knowledge of wild plants has been associated with better child and adult health. We assess if the concurrent links between i) LEK and ii) health and nutritional status last and examine if LEK yields delayed benefits when societies face large socioeconomic and environmental changes. We use a yearly panel (2002−2010) from Tsimane’, an Indigenous Amazonian society (Bolivia). All adults (∼440) and children (∼300) measured at baseline (2003) in 13 villages were followed yearly during 2004–2010 to estimate associations between a) baseline adult knowledge and skill about uses of wild plants and b) subsequent (2004–2010) anthropometric markers of nutritional status of themselves and the children (2y ≤ age ≤ 10y) living in the household at baseline. Among children, HAZ, BMI, and sum of four skinfolds were measured; among adults, BMI, sum of four skinfolds, and percent body fat with bioelectrical impedance were measured. Some skill losses increased by a large amount the likelihood of severe childhood stunting (HAZ < -3) for girls; the complete loss of these skills increased the share of severely stunted girls from 5% to 13%–20%. These are big numbers. The effects of LEK on other anthropometric indicators of children or adults were small. For example, if all adults in a household lost all their ethnobotanical knowledge, children's and women's BMI would decrease by only 3% and 11%, respectively.

面对外部变化,成人对野生植物的了解与儿童或成人有限的延迟健康和营养益处有关:对玻利维亚亚马逊土著社会 Tsimane'的年度小组研究(2003-2010 年
横断面研究表明,地方生态知识(LEK)有助于人类应对环境。在各种形式的地方生态知识中,成人对野生植物的了解与儿童和成人健康状况的改善有关。我们评估了 i) 本地生态知识与 ii) 健康和营养状况之间的并发联系是否持续,并研究了当社会面临巨大的社会经济和环境变化时,本地生态知识是否会产生延迟效益。我们使用了来自亚马逊土著社会(玻利维亚)Tsimane'的年度面板数据(2002-2010 年)。在 2004-2010 年期间,我们每年对 13 个村庄的所有成年人(440 人)和儿童(300 人)进行基线(2003 年)测量,以估算 a) 基线成年人对野生植物利用的知识和技能与 b) 随后(2004-2010 年)基线时居住在该家庭中的成年人和儿童(2 岁 ≤ 10 岁)营养状况的人体测量指标之间的关系。在儿童中,测量了 HAZ、体重指数和四个皮褶的总和;在成人中,测量了体重指数、四个皮褶的总和以及生物电阻抗体脂百分比。一些技能的丧失使女孩出现严重儿童发育迟缓(HAZ < -3)的可能性大大增加;这些技能的完全丧失使严重发育迟缓女孩的比例从 5%增加到 13%-20%。这些都是很大的数字。低地生活技能对儿童或成人其他人体测量指标的影响很小。例如,如果一个家庭的所有成年人都失去了所有的民族植物学知识,那么儿童和妇女的体重指数将分别下降 3% 和 11%。
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来源期刊
Evolution and Human Behavior
Evolution and Human Behavior 生物-行为科学
CiteScore
8.30
自引率
9.80%
发文量
62
审稿时长
82 days
期刊介绍: Evolution and Human Behavior is an interdisciplinary journal, presenting research reports and theory in which evolutionary perspectives are brought to bear on the study of human behavior. It is primarily a scientific journal, but submissions from scholars in the humanities are also encouraged. Papers reporting on theoretical and empirical work on other species will be welcome if their relevance to the human animal is apparent.
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