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Exotic species as models to understand biocultural adaptation: Challenges to mainstream views of human-nature relations.


ABSTRACT: A central argument in the research on traditional knowledge, which persists in the scientific literature, is that the entrance of exotic plants in local medical systems is directly associated with acculturation. However, this logic has put an end for a long period to efforts to understand why such species have so successfully entered socio-ecological systems or even their real role in such systems. This study provides evidence that (1) in some socio-environmental contexts, exotic medicinal species usually confer greater adaptive advantages to local populations, and (2) despite their general importance, exotic species only excel in medical systems when cost-benefit ratio is favorable to them. Thus, in order to avoid the loss of knowledge about native plants and to ensure biocultural conservation, it is necessary to create strategies to amplify the advantages of these species.

SUBMITTER: Gama ADS 

PROVIDER: S-EPMC5927417 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Exotic species as models to understand biocultural adaptation: Challenges to mainstream views of human-nature relations.

Gama Aline Dourado Sena ADS   de Paula Marcelo M   da Silva Rafael Ricardo Vasconcelos RRV   Ferreira Washington Soares WS   Medeiros Patrícia Muniz de PM  

PloS one 20180430 4


A central argument in the research on traditional knowledge, which persists in the scientific literature, is that the entrance of exotic plants in local medical systems is directly associated with acculturation. However, this logic has put an end for a long period to efforts to understand why such species have so successfully entered socio-ecological systems or even their real role in such systems. This study provides evidence that (1) in some socio-environmental contexts, exotic medicinal speci  ...[more]

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