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American Association for the Advancement of Science, Science, 6328(355), p. 925-931, 2017

DOI: 10.1126/science.aal0157

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Persistent effects of pre-Columbian plant domestication on Amazonian forest composition

Journal article published in 2017 by J. R. da Silva Guimarães, D. de Andrade Lima Filho, Carolina Levis ORCID, Flávia R. C. Costa ORCID, Frans Bongers, Marielos Peña-Claros, Charles R. Clement ORCID, L. C. de Matos Bonates, André B. Junqueira ORCID, Eduardo G. Neves ORCID, E. de Sousa Farias, Eduardo K. Tamanaha ORCID, Fernando O. G. Figueiredo ORCID, Rafael P. Salomão ORCID, Carolina V. Castilho ORCID and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

The extent to which pre-Columbian societies altered Amazonian landscapes is hotly debated. We performed a basin-wide analysis of pre-Columbian impacts on Amazonian forests by overlaying known archaeological sites in Amazonia with the distributions and abundances of 85 woody species domesticated by pre-Columbian peoples. Domesticated species are five times more likely to be hyperdominant than non-domesticated species. Across the basin the relative abundance and richness of domesticated species increases in forests on and around archaeological sites. In southwestern and eastern Amazonia distance to archaeological sites strongly influences the relative abundance and richness of domesticated species. Our analyses indicate that modern tree communities in Amazonia are structured to an important extent by a long history of plant domestication by Amazonian peoples.