commensal species (Other Keyword)
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Further evidence for a terrestrial-focused protein diet in prehistoric Rapa Nui (2015)
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Previous analyses of subsistence activities on Rapa Nui generated new classes of data to explain human persistence on this remote, subtropical and ecologically-marginal island. Even compared to other small to medium-sized islands in Eastern Polynesia, Rapa Nui appears anomalous for: 1) an apparent shift away from marine protein sources, determined from stable isotope analysis of bone collagen, and 2) a far greater reliance on a single terrestrial carbohydrate (Ipomoea batatas), determined from...