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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Carbon and nitrogen stable isotopic signatures of human dietary change in the Georgia Bight
American Journal of Physical Anthropology, Volume 89, No. 2, Year 1992
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Description
Measurement of carbon and nitrogen stable isotope ratios (δ13C and δ15N) in samples of human bone collagen (n = 93) from a temporal series of four prehistoric (early preagricultural, late preagricultural, early agricultural, late agricultural) and two historic (early contact, late contact) periods from the Georgia Bight, a continental embayment on the southeastern U.S. Atlantic coast, reveals a general temporal trend for less negative δ13C values and less positive δ15N values. This trend reflects a concomitant decrease in emphasis on marine resources and increased reliance on C4‐based resources, especially maize. This dietary reorientation is most apparent for the early agricultural sample (AD 1150–1300), coinciding with the Mississippian florescence in the eastern United States. There is, however, a shift toward the use of C3 (non‐maize) foods during the last prehistoric period (AD 1300–1450), which is likely related to environmental stress and social disruption. A heavier use of maize and terrestrial resources in general after the establishment of mission centers on barrier islands is indicated. A reduced dietary breadth during the mission period may have contributed to the extinction of these populations in the eighteenth century. © 1992 Wiley‐Liss, Inc. Copyright © 1992 Wiley‐Liss, Inc., A Wiley Company
Authors & Co-Authors
Larsen, Clark Spencer
United States, West Lafayette
Purdue University
United States, New York
American Museum of Natural History
Schoeninger, Margaret J.
United States, Madison
University of Wisconsin-madison
van der Merwe, Nikolaas J.
United States, Cambridge
Harvard University
Moore, Katherine M.
United States, Waltham
Bentley College
Lee-Thorp, Julia A.
South Africa, Cape Town
University of Cape Town
Statistics
Citations: 80
Authors: 5
Affiliations: 6
Identifiers
Doi:
10.1002/ajpa.1330890206
ISSN:
00029483
e-ISSN:
10968644
Research Areas
Environmental