"Some of the tree species that are abundant in Amazonian forests today, like cacao, acai, and Brazil nut, are probably common because they were planted by people who lived there long before the arrival of European colonists, says Nigel Pitman," the Mellon Senior Conservation Ecologist at Chicago's Field Museum and a co-author of the study.
Domesticated by Amazonian natives, this study centralized on the trees that many of us use for typical food. Other regions showed fewer domesticated species, or a weaker relationship between domesticated species and archaeological sites, highlighting the need for more research on the history of Amazonian settlement. The way in which the Amazonian peoples settled has an effect on the distribution. While the small number of domesticated species used in the study was sufficient to reveal a strong human signal in modern forests, the authors point out that the signal may be even stronger than they documented, since hundreds of other Amazonian tree species were used by pre-Colombian peoples and also deserve study. This study is significant because it reveals to what extent the Amazonian forests play a role in the everyday foods we know today. This study should analyze the remains of the Amazon in order to see where these plant species originated. https://www.sciencedaily.com/releases/2017/03/170302143939.htm
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