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史前先民的食物结构是反映当时人们利用野生或驯养的季节食物资源、适应生存环境的重要标志。虽然有时可以通过遗址中的食物残存进行直接推测,但是这样的发掘信息往往非常有限,另外更大的限制在于残存的食物可能更多体现了个体对某种食物的特殊偏好,而不能整体上反映一个群体的食物结构问题。而基于人骨骨胶原的稳定C和N同位素分析,可以再现古代人类的食物结构,并对区域生活方式和社会结构的重建等问题提供有益信息。目前,这种研究方法已经成为考古界研究的热点[1]。
The food structure of prehistoric ancestors is an important symbol to reflect people’s use of wild or domesticated seasonal food resources to adapt to the living environment at that time. Although it is sometimes possible to infer directly from the remnant of food in the site, such excavation information is often very limited, and the greater limitation is that remnant food may more specifically reflect an individual’s particular preference for a food rather than the whole A group of food structure problems. Based on the stable C and N isotope analysis of human bone collagen, the food structure of ancient human beings can be reproduced, and the beneficial information can be provided to the issues of regional life style and social structure reconstruction. At present, this research method has become a hot spot in the field of archeology [1].