巴塔哥尼亚中部海岸狩猎采集者的古饮食:回顾稳定同位素分析的范围和局限性

IF 1.1 3区 历史学 Q2 ANTHROPOLOGY
Sayuri Kochi, Julieta Gómez Otero, A. Francisco Zangrando, Augusto Tessone, Andrew Ugan
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引用次数: 0

摘要

这项研究回顾了阿根廷丘布特省东北部狩猎采集者的古饮食重建。人类骨骼的同位素记录可以补充动物考古学和技术研究的信息,特别是对个体长期饮食的解析。之前的 δ13C 和 δ15N 研究发现,沿海地区和丘布特河下游流域的饮食在海洋资源在饮食中所占比例和猎物的营养位置方面都存在差异。然而,在巴塔哥尼亚东北部,生长着 C3 和 CAM 植物,有陆地、河流和海洋猎物,要检验有关人类饮食的假设具有挑战性。在这里,我们重点研究了当地的同位素生态学,以评估 δ13C 和 δ15N 稳定同位素分析的范围和局限性。我们提供了跨越陆地、河流和海洋环境不同营养级的本地动物群的新数据。在确定了当地同位素记录的基本模式之后,我们对 15 年前研究的 23 个个体的δ13Ccol、δ15N 和 δ13Capa测量值进行了重新分析。该分析表明,巴塔哥尼亚东北部沿海有几种重叠资源的相对连续分布。贝叶斯混合模型确定了陆地和河流资源的组合是长期饮食的主要组成部分。然而,该模型得出的估计结果并不全面。贝叶斯椭圆描述了同位素龛位,更强调了沿海和河谷群体之间饮食的空间差异。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Paleodiets of hunter-gatherers from the central Patagonian coast: Reviewing scopes and limitations of stable isotope analyses

This work reviews paleodietary reconstructions of hunter-gatherers from the northeast province of Chubut, Argentina. The isotopic record of human bone can complement information from zooarchaeological and technological studies with its particular resolution on the long-term diet of individuals. Previous δ13C and δ15N studies found dietary differences between the coastal area and the lower basin of the Chubut River, both in the proportion of marine resources in the diet and the trophic positions of prey. However, it is challenging to test hypotheses concerning human diets in northeastern Patagonia, where C3 and CAM plants grow and terrestrial, riverine, and marine prey are available. Here, we focus on the local isotopic ecology to assess the scopes and limitations of δ13C and δ15N stable isotopes analyses. We provide new data on native faunas spanning different trophic levels of terrestrial, riverine, and marine environments. After establishing the basic patterns in the local isotope record, we reanalyze the available δ13Ccol, δ15N, and δ13Capa measurements from 23 individuals studied 15 years ago. That analysis reveals a relatively continuous distribution of several overlapping resources on the coast of northeastern Patagonia. Bayesian mixing models identified a combination of terrestrial and riverine resources aggregated as the main component of long-term diets. However, it generated diffuse estimations. The Bayesian ellipses, describing isotopic niches, emphasized more the spatial variations in diet between coastal and valley groups.

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来源期刊
CiteScore
2.40
自引率
10.00%
发文量
105
期刊介绍: The aim of the International Journal of Osteoarchaeology is to provide a forum for the publication of papers dealing with all aspects of the study of human and animal bones from archaeological contexts. The journal will publish original papers dealing with human or animal bone research from any area of the world. It will also publish short papers which give important preliminary observations from work in progress and it will publish book reviews. All papers will be subject to peer review. The journal will be aimed principally towards all those with a professional interest in the study of human and animal bones. This includes archaeologists, anthropologists, human and animal bone specialists, palaeopathologists and medical historians.
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