Teeth Reflect Changes in the Late Woodland Period
Tuesday, April 08, 2014
TORONTO, ONTARIO—Archaeologist Bradly T. Lepper has written about the research of Susan Pfeiffer of the University of Toronto in his column for the Columbus Dispatch. Pfeiffer and her team worked with First Nations descendant communities to study DNA and isotopes from the teeth of 53 “archaeologically discovered ancestors,” who lived between the thirteenth and sixteenth centuries. The results indicate that the people ate mostly maize and fish, but the consumption of fish declined as their villages grew larger. The researchers also found genetic mutations that may connect some of the ancient villagers to modern tribes. “The Middle and Late Woodland periods were times of population movement, mixing, and diversification in the lower Great Lakes,” Pfeiffers’ team concluded.
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