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Preparation and characterization of bone and tooth collagen for isotopic analysis
  • S. Ambrose
  • Environmental Science, Geography
  • 1 July 1990
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Experimental Evidence for the Relationship of the Carbon Isotope Ratios of Whole Diet and Dietary Protein to Those of Bone Collagen and Carbonate
The use of stable carbon isotopes for diet reconstruction is predicated on the assumption that you are what you eat. In other words, the carbon isotopic composition of animal tissues is assumed to be…
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Isotopic analysis of paleodiets: methodological and interpretive considerations
Chronology of the Later Stone Age and Food Production in East Africa
  • S. Ambrose
  • Geography, Environmental Science
  • 1 April 1998
Abstract Evidence from several archaeological sites in sub-Saharan Africa suggests that the transition to modern human technology, marked by the change from the Middle to the Later Stone Age (LSA),…
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Paleolithic Technology and Human Evolution
TLDR
This work has shown that stone tool technology, robust australopithecines, and the genus Homo appeared almost simultaneously 2.5 million years ago, and once this adaptive threshold was crossed, technological evolution was accompanied by increased brain size, population size, and geographical range.
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Effects of diet, climate and physiology on nitrogen isotope abundances in terrestrial foodwebs
  • S. Ambrose
  • Environmental Science, Geography
  • 1 May 1991
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Late Pleistocene human population bottlenecks, volcanic winter, and differentiation of modern humans.
  • S. Ambrose
  • Environmental Science, Geography
    Journal of human evolution
  • 1 June 1998
TLDR
If Toba caused the bottlenecks, then modern human races may have differentiated abruptly, only 70 thousand years ago, and high genetic diversity in modern Africans may reflect a less severe bottleneck rather than earlier population growth.
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Stable isotopic analysis of human diet in the Marianas Archipelago, western Pacific.
TLDR
Experimental evidence shows that collagen carbon isotopes mainly reflect those of dietary protein sources and thus overestimate the contribution of marine animal foods, while apatite carbon isotope analysis has apparently identified previously unrecognized prehistoric dietary adaptations in the Mariana Islands, but this must be confirmed by archaeobotanical evidence.
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Systematic Butchery by Plio/Pleistocene Hominids at Olduvai Gorge, Tanzania [and Comments and Reply]
Human origins research by archaeologists has expanded the evidence of the diet and subsistence activities of ancient hominids. We examine an important component of that evidence, the…
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Stable carbon isotopic evidence for differences in the dietary origin of bone cholesterol, collagen and apatite: implications for their use in palaeodietary reconstruction
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