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原文連結
論文資訊
- 類型：已發表論文
- 日期：2020-08-25
摘要
Stable carbon and nitrogen isotope analyses are widely used to infer diet and mobility in ancient and modern human 族群s, potentially providing a means to situate humans in global 食物網s. We collated 13,533 globally distributed analyses of ancient and modern human collagen and keratin samples. We converted all data to a common ‘Modern Diet Equivalent’ reference frame to enable direct comparison between ancient and modern human diets and the natural environment. This approach reveals a broad diet in ancient times, consistent with the human ability to consume opportunistically as extreme omnivores within complex natural 食物網s and across multiple 營養級 levels in every terrestrial and many 海洋 ecosystems on the planet. In stark contrast, dietary breadth across modern non-subsistence 族群s has dramatical
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