A simple carbon isotope model for reconstructing prehistoric human diet

Corina M Kellner, Margaret J. Schoeninger

Research output: Contribution to journalArticle

237 Citations (Scopus)

Abstract

A compilation of experimental animal data shows that neither δ13Ccollgen nor δ13C apatite nor Δ13CCO-AP indicate diagnostic reconstructions of diet, diet energy and diet protein. In contrast, plots of Δ13Ccollagen against Δ13C apatite provide a model of three regression lines (C3, C4, and marine diet protein) where position on each line indicates the energy source (C3, C4, or mixed). Neither body size nor trophic position appears to affect these relationships. Modern free-ranging, terrestrial fauna do not fit the model perhaps because they, unlike the experimental fauna, mainly use fermentation rather than digestion during energy metabolism. Archaeological humans fall as expected based on associated floral and faunal evidence. Foraging people plot at positions expected from associated C3 fauna and plants. Those from Cahokia plot, as expected, from associated deer, nuts, and maize whereas people from nearby smaller sites plot in positions consistent with eating more fish. Agriculturists from Ontario and Grasshopper Pueblo plot consistent with dependence on fish by the former and on turkeys by the latter. In Tierra del Fuego, people from interior regions ate more terrestrial fauna, as suggested by ethnohistoric reports, than did people from the coast. In the Southwestern Cape in South Africa individuals late in the sequence have pure C3 diets whereas ones early in the sequence ate marine protein as suggested by independent archaeological evidence. People on San Nicolas Island depended on C4 plants in contrast to other islands off California's coast. This simple model provides more detailed and precise dietary information than do individual isotopic measures.

Original languageEnglish (US)
Pages (from-to)1112-1127
Number of pages16
JournalAmerican Journal of Physical Anthropology
Volume133
Issue number4
DOIs
StatePublished - Aug 2007
Externally publishedYes

Fingerprint

Carbon Isotopes
isotopes
Diet
fauna
carbon
Apatites
apatite
diet
Islands
dietary protein
Fishes
energy
coasts
Proteins
Nuts
Grasshoppers
Deer
C4 plants
energy source
Body Size

Keywords

  • Diet reconstruction
  • Prehistoric human diet
  • Stable carbon isotopes

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Anthropology

Cite this

A simple carbon isotope model for reconstructing prehistoric human diet. / Kellner, Corina M; Schoeninger, Margaret J.

In: American Journal of Physical Anthropology, Vol. 133, No. 4, 08.2007, p. 1112-1127.

Research output: Contribution to journalArticle

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