More than 10,000 pre-Columbian earthworks are still hidden throughout Amazonia

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(2023) More than 10,000 pre-Columbian earthworks are still hidden throughout Amazonia. Science, 382 (6666). pp. 103-109. ISSN 0036-8075

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Abstract

Indigenous societies are known to have occupied the Amazon basin for more than 12,000 years, but the scale of their influence on Amazonian forests remains uncertain. We report the discovery, using LIDAR (light detection and ranging) information from across the basin, of 24 previously undetected pre-Columbian earthworks beneath the forest canopy. Modeled distribution and abundance of large-scale archaeological sites across Amazonia suggest that between 10,272 and 23,648 sites remain to be discovered and that most will be found in the southwest. We also identified 53 domesticated tree species significantly associated with earthwork occurrence probability, likely suggesting past management practices. Closed-canopy forests across Amazonia are likely to contain thousands of undiscovered archaeological sites around which pre-Columbian societies actively modified forests, a discovery that opens opportunities for better understanding the magnitude of ancient human influence on Amazonia and its current state.

Item Type: Article
Additional Information: Data and materials availability: Data from publicly available sources are cited in the supplementary materials. Other data and computer codes used in the analysis are publicly available in Zenodo (https://doi.org/10.5281/zenodo.7750985).
Faculty \ School: Faculty of Science > School of Environmental Sciences
University of East Anglia Research Groups/Centres > Theme - ClimateUEA
UEA Research Groups: Faculty of Science > Research Centres > Centre for Ecology, Evolution and Conservation
Faculty of Science > Research Groups > Environmental Biology
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Depositing User: LivePure Connector
Date Deposited: 20 Dec 2024 01:13
Last Modified: 20 Dec 2024 01:13
URI: https://ueaeprints.uea.ac.uk/id/eprint/98044
DOI: 10.1126/science.ade2541

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