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Lidar reveals pre-Hispanic low-density urbanism in the Bolivian Amazon
Abstract
Archaeological remains of agrarian-based, low-density urbananism 1–3 have been reported to exist beneath the tropical forests of Southeast Asia, Sri Lanka and Central America 4–6 . However, beyond some large interconnected settlements in southern Amazonia 7–9 , there has been no such evidence for pre-Hispanic Amazonia. Here we present lidar data of sites belonging to the Casarabe culture (around ad 500 to ad 1400) 10–13 in the Llanos de Mojos savannah–forest mosaic, southwest Amazonia, revealing the presence of two remarkably large sites (147 ha and 315 ha) in a dense four-tiered settlement system. The Casarabe culture area, as far as known today, spans approximately 4,500 km 2 , with one of the large settlement sites controlling an area of approximately 500 km 2 . The civic-ceremonial architecture of these large settlement sites includes stepped platforms, on top of which lie U-shaped structures, rectangular platform mounds and conical pyramids (which are up to 22 m tall). The large settlement sites are surrounded by ranked concentric polygonal banks and represent central nodes that are connected to lower-ranked sites by straight, raised causeways that stretch over several kilometres. Massive water-management infrastructure, composed of canals and reservoirs, complete the settlement system in an anthropogenically modified landscape. Our results indicate that the Casarabe-culture settlement pattern represents a type of tropical low-density urbanism that has not previously been described in Amazonia.
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This case study contributes to the growing global body of work demonstrating the value of cost- and time-effective remote sensing methods for the documentation, preservation, and management of cultural heritage.
“Moreover, this case study contributes to the growing global body of work demonstrating the value of cost- and time-effective remote sensing methods for the documentation, preservation, and management of cultural heritage6–8.”
From Multiscale anthropogenic feature detection in the argentinian andes: satellite machine learning, UAV, and pedestrian survey (2026) · cites this paper as [6]
The discrepancy between this study and studies supporting spatially extensive legacies may be explained by differences in the density of past populations and settlements, and with that their activities, transient nature and impact on the forests.
“This discrepancy may be explained by differences in the density of past populations and settlements, and with that their activities, transient nature and impact on the forests”
From Pre‐contact and post‐colonial ecological legacies shape Surinamese rainforests (2024) · cites this paper as Prümers et al., 2022
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Herndon, K. E., Griffin, R., Schroder, W., Murtha, T., Golden, C., Contreras, D. A., Cherrington, E., Wang, L., Bazarsky, A., Kollias, G. V., et al. (2023) · Journal of Archaeological Science: Reports · doi:10.1016/j.jasrep.2023.104094 · Cited by 21
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
Pre‐contact and post‐colonial ecological legacies shape Surinamese rainforests
Witteveen, N. H., White, C., Sánchez‐Martínez, B. A., Philip, A., Boyd, F., Booij, R., Christ, R., Singh, S., Gosling, W. D., Piperno, D. R., et al. (2024) · Ecology · doi:10.1002/ecy.4272 · Cited by 10
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Guerra, J., Benavides, I., & Muñoz, M. (2026) · Archaeological Prospection · doi:10.1002/arp.70071
Peters, M. J. H., Jambajantsan, A., Freire, V. Z., Pey, L., Vaquer, J. M., & Roberts, P. (2026) · npj Heritage Science · doi:10.1038/s40494-026-02813-z
Metadata
- Authors
- Prümers, H., Betancourt, C. J., Iriarte, J., Robinson, M., & Schaich, M.
- Venue
- Nature
- Published
- 2022-05-25
- Volume
- 606
- Issue
- 7913
- Pages
- 325-328
- ISSN
- 0028-0836
- 1476-4687
- PMC
- PMC9177426
- Cited by
- 124
- References
- 0
- Language
- en
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