The subsistence patterns of the Shengedaliang site (~4,000 yr BP) revealed by stable carbon and nitrogen isotopes in northern Shaanxi,China |
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Authors: | XiangLong Chen XiaoNing Guo WeiLin Wang SongMei Hu MiaoMiao Yang Yan Wu YaoWu Hu |
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Affiliation: | 1.Institute of Archaeology,Chinese Academy of Social Sciences,Beijing,China;2.Shaanxi Provincial Academy of Archaeology,Xi’an,China;3.Key Lab of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology of Chinese Academy of Sciences,Chinese Academy of Sciences,Beijing,China;4.University of Chinese Academy of Sciences,Beijing,China |
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Abstract: | In order to explore subsistence patterns in northern Shaanxi Province around 4,000 yr BP, 28 human and 24 animal bones from the Shengedaliang site were sampled for stable carbon and nitrogen isotope ratio analysis. The results show that most people primarily subsisted on C4 resources, e.g. millet and millet-related animal products, despite the fact that there was some intake of C3 plants by some individuals. Stable nitrogen isotope values indicate that there were differences in meat consumption between individuals at the site. Pigs were mainly foddered with millet and millet byproducts, as well as some cattle, according to their high δ 13C values. However, most cattle and the sheep/goats consumed wild C3 plants at Shengedaliang. Our above findings indicates that subsistence patterns in northern Shaanxi around 4,000 yr BP were characterized by millet farming, while the grassland animal husbandry, e.g. cattle and sheep/goats raising, displayed very little contribution to local economy. The intensive millet farming in northern Shaanxi provided enough food for population growth, ensured the accumulation of wealth, and consequently accelerated social differentiation and complexity. |
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