Abstract
This subproject has as main goal to carry out a study (diagnostic-prognostic) of biogeographical systems in the state of Piauí. The especial snippet of the research is northwest of the town of Altos/Piauí, in which is inserted the Unidade de Conservação "Floresta Nacional de Palmares" ("Palmares National Forest" Unity of Conservation), close to the division with the city of Teresina, whic…