Uncovering spatial patterns in the natural and human history of Brazil nut (Bertholletia excelsa) across the Amazon Basin
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Thomas, E.; Alcazar Caicedo, C.; McMichael, C.H.; Corvera, R.; Loo, J. (2015) Uncovering spatial patterns in the natural and human history of Brazil nut (Bertholletia excelsa) across the Amazon Basin. Journal of Biogeography 42(8) p. 1367–1382 ISSN: 1365-2699
Permanent link to this item: http://hdl.handle.net/10568/70957
The goal was to test the hypothesis that ancient humans substantially contributed to shaping the current distribution of Brazil nut (Bertholletia excelsa), an Amazonian tree species that has been important for human livelihoods since pre-Columbian times. We scrutinized the putative association between Brazil nut and Amazonian Dark Earth soils (ADE) and geometric earthworks called geoglyphs, and examined the existence of continental patterns in human footprints on Brazil nut stands.