期刊
PLOS ONE
卷 16, 期 10, 页码 -出版社
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0258231
关键词
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资金
- National Science Foundation [1810563]
- SBE Off Of Multidisciplinary Activities
- Direct For Social, Behav & Economic Scie [1810563] Funding Source: National Science Foundation
Phytolith analysis in this study provides new evidence for the presence of an allochthonous plant, Sabal sp., around Tesuque Creek in northern New Mexico during the early part of the Late Holocene. The changing landscape from succulent dominated to shrubby, along with the introduction of palmetto phytoliths associated with marshy deposits and burn levels, suggests a more diverse resource landscape available to local hunter-gatherer groups than previously understood. This evidence demonstrates the value of phytolith analysis from alluvial sections for understanding human land and plant use practices over time.
In this study we present new evidence from phytolith studies for the presence of Sabal sp. (likely minor), an allochthonous plant, around Tesuque Creek in northern New Mexico during the early part of the Late Holocene, in the vicinity of known Late Archaic hunter-gatherer communities using the area at that time. We analyzed phytoliths from sediments taken from an alluvial section on the east side of Tesuque Creek dating to c. 3600-2400 cal. BP. The phytoliths demonstrated a change over time from a succulent dominated landscape to a shrubby one, with the later introduction of high densities of palmetto phytoliths associated with marshy deposits and adjacent burn levels. This evidence suggests a more diverse resource landscape available to local hunter-gatherer groups than previously understood, and may have implications for the early management of microenvironments, plant communities. This evidence demonstrates the value of phytolith analysis from alluvial sections for understanding human land and plant use practices over time. Our study provides a new perspective on what resources and land use areas were available for Archaic peoples inhabiting the area, and how they may have experimented with managing lesser known types of wild plant resources before the establishment of the triad of crops from Mesoamerica. This opens up new avenues for understanding the landscapes, land use practices, and environmental impacts of pre-agricultural communities in the northern Rio Grande and in other semi-arid environments worldwide.
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