A New Application for the Optimal Foraging Theory: The Extraction of Medicinal Plants

Table 3

Summarization of the two approaches built from the Optimal Foraging Theory: resource zone selection and bark extraction in the base of the slope and the respective variables analyzed for the understanding of Anadenanthera colubrina (Vell.) Brenan extraction patterns in the community of Carão, Altinho, PE, Brazil.

Approach
Resource zones selection	Extraction	Use citations
Availability of A. colubrina	No optimization	No optimization
Distance	Optimized	No optimization
Bark extraction in the base of slope	Extraction	Interviews
Tannin contration	No optimization	Optimized
Individuals distance	No optimization	Optimized
Diameter classes	Optimized	Optimized
Collection difficult (aculei)	No optimization	Optimized