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The geoglyph sites of Acre, Brazil: 10 000-year-old land-use practices and climate change in Amazonia
Abstract
Hypotheses concerning climatic change during the Amazonian Holocene often assume that the presence of ancient charcoal from forest fires indicates periods of drier climate in the past. These theories, however, neglect the possibility that such charcoal may result from early human activity. This article presents new evidence of anthropogenic ash and charcoal accumulation in the state of Acre, Brazil, dating back to c. 10 000 cal BP, which questions the value of charcoal as a proxy for phases of natural climate aridification. Carbon isotope (δ 13 C) values also suggest no significant changes in Holocene climate or vegetation. If these results are confirmed, previous studies on Amazonian Holocene climate will require re-evaluation.
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“Across the southern rim of Amazonia, over 1,000 earthwork sites comprised of fortified settlements, mound villages, and ditched enclosures with geometric designs known as geoglyphs have been discovered.”
From Predicting the geographic distribution of ancient amazonian archaeological sites with machine learning (2023) · cites this paper as Pärssinen et al., 2020
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Predicting pre-columbian anthropogenic soils in amazonia
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Cited by
Sorted by citations
Walker, R. S., Ferguson, J. R., Olmeda, A., Hamilton, M. J., Elghammer, J., & Buchanan, B. (2023) · PeerJ · doi:10.7717/peerj.15137 · Cited by 11
Metadata
- Authors
- Pärssinen, M., Balée, W., Ranzi, A., & Barbosa, A.
- Venue
- Antiquity
- Publisher
- Antiquity Publications
- Published
- 2020-12
- Volume
- 94
- Issue
- 378
- Pages
- 1538-1556
- ISSN
- 0003-598X
- 1745-1744
- Cited by
- 16
- References
- 2
- Language
- en
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