Pierre-Jean Dodat , Emmanuelle Albalat , Vincent Balter , Christine Couture-Veschambre , Maurice Hardy , Juliette Henrion , Trenton Holliday , Bruno Maureille
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引用次数: 0
摘要
动物考古学和地球化学证据表明尼安德特人是顶级掠食者,但他们是否坚持严格的肉食性饮食却受到质疑。最近的研究表明,钙稳定同位素具有评估营养和生态关系的潜力。在这里,我们测量了两个新的尼安德特人个体、相关动物群和当地活植物的骨骼样本中的δ44/42Ca值,这两个个体分别来自Grotte du Bison(海洋同位素阶段3,法国约讷省)和Regourdou(海洋同位素阶段5,法国多尔多涅省)的穆斯特时期。我们使用贝叶斯混合模型估算了这些尼安德特人的饮食组成,以及已经分析过的第三个尼安德特人的饮食组成。结果显示了三种不同的饮食结构:包括意外或自愿食用骨质食物的饮食结构、中间饮食结构和不食用骨质食物的饮食结构。这一发现首次证明了尼安德特人多种多样的生存策略,从而调和了考古学和地球化学饮食证据。
Diverse bone-calcium isotope compositions in Neandertals suggest different dietary strategies
Zooarcheological and geochemical evidence suggests Neanderthals were top predators, but their adherence to a strictly carnivorous diet has been questioned. Recent studies have demonstrated the potential of calcium-stable isotopes to evaluate trophic and ecological relationships. Here, we measure the δ44/42Ca values in bone samples from Mousterian contexts at Grotte du Bison (Marine Isotope Stage 3, Yonne, France) and Regourdou (Marine Isotope Stage 5, Dordogne, France) in two new Neanderthal individuals, associated fauna, and living local plants. We use a Bayesian mixing model to estimate the dietary composition of these Neanderthal individuals, plus a third one already analyzed. The results reveal three distinct diets: a diet including accidental or voluntary consumption of bone-based food, an intermediate diet, and a diet without consumption of bone-based food. This finding is the first demonstration of diverse subsistence strategies among Neanderthals and as such, reconciles archaeological and geochemical dietary evidence.
期刊介绍:
The Journal of Human Evolution concentrates on publishing the highest quality papers covering all aspects of human evolution. The central focus is aimed jointly at paleoanthropological work, covering human and primate fossils, and at comparative studies of living species, including both morphological and molecular evidence. These include descriptions of new discoveries, interpretative analyses of new and previously described material, and assessments of the phylogeny and paleobiology of primate species. Submissions should address issues and questions of broad interest in paleoanthropology.