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August 1, 2025American Journal of Physical AnthropologyOpen Access

Late Holocene Paleodietary Patterns Among the Ancestral Ohlone: Ecogeographic Partitioning of Resources Along the San Francisco Bay Eastern Shore

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Authors

MBMelanie M. BeasleyPurdue University West LafayetteEBEric J. BartelinkCalifornia State University, ChicoALAlan LeventhalState Archaeological Museum

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Implication

Analysis reveals regional dietary variations and localized foraging efficiency among hunter-gatherer populations in the Bay Area.

Key Points

  • Bone stable carbon and nitrogen isotope values indicate dietary differences along a latitudinal gradient.
  • Regional variations highlight distinct access to resources among different tribal groups in the eastern bay shore.
  • The study utilized isotope analysis of 154 burials to examine changes in diet over time, finding minimal changes.
  • Ecogeographical resource partitioning suggests importance of exploiting various microhabitats for effective foraging.

Cite This Study

Beasley et al. (2025) studied this question.

synapsesocial.com/papers/68af4ec0ad7bf08b1ead7adchttps://doi.org/10.1002/ajpa.70112
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  1. 1Stable-Carbon Isotope Ratios as a Measure of Marine Versus Terrestrial Protein in Ancient Diets1982 · 711 citations