Stable isotopes,diet, and taphonomy: a look at using isotope-based dietary reconstructions to infer differential survivorship in zooarchaeological assemblages |
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Authors: | Andrew Ugan Joan Coltrain |
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Affiliation: | 1. Smithsonian Tropical Research Institute, Unit 9100, Box 0948, DPO AA, 34002-0998, USA;2. Dept. of Anthropology, University of Utah, 270 S 1400 E, Rm 102, Salt Lake City, UT 84112-0060, USA |
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Abstract: | Archaeology has always faced the problem of making informed inferences based on an incomplete record. Zooarchaeological studies of prehistoric hunting and diet offer a clear case in point, where a range of behavioral and taphonomic factors can produce a substantial disconnect between what people actually captured and ate and what archaeologists recover and interpret. We explore this disconnect by presenting stable C and N data for wild faunas, archaeological maize, and three human burials from Fremont-period sites in southeastern Utah, the United States. We use these data to estimate faunal contributions to prehistoric diets and compare the results with previous zooarchaeological analyses of faunas from the same sites. Results for the two approaches differ sharply, with isotopic estimates showing much higher contributions of small and lowland game. We discuss these results in terms of both local prehistory and wider issues of taphonomy and dietary analysis. |
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Keywords: | Stable isotopes Great Basin Taphonomy Dietary reconstruction SISUS |
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