Stable carbon isotope values (δ13C) of purslane (Portulaca oleracea) and their archaeological significance
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- 作者：Kenneth Barnett Tankersleya ; b ; tankerkh@uc.edu" class="auth_mail" title="E-mail the corresponding author ; Denis G. Conoverc ; David L. Lentzc
- 关键词：Stable carbon isotope value ; Photosynthesis ; Archaeobotany ; Paleobotany ; Paleodiet ; Common purslane (Portulaca oleracea) ; Maize (Zea mays) ; Eastern North America ; Late Holocene ; Bioarchaeology
- 刊名：Journal of Archaeological Science: Reports
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：7
- 期：Complete
- 页码：189-194
- 全文大小：633 K
文摘
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δ13C values for C4 Portulaca oleracea range between − 11.2‰ and − 13.9‰.
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δ13C values for CAM P. oleracea range between − 17.6‰ and − 20.5‰.
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δ13C values of P. oleracea overlap with δ13C values for Zea mays maize.
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P. oleracea occurs on late Holocene archaeological sites in eastern North America.
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P. oleracea likely contributed to the δ13C ratios in ancient human tissues.