Confrontation between the visions of environmental institutions and local populations about reforestation is caused by the suppression of "exotic species" on the basis of technical and scientific arguments aiming at the forest preservation, rejected by these populations on the basis of their values and practical uses. The article examines the disputes about proposals and procedures of the authorities of the State of Rio de Janeiro in 2007 to remove bamboo and jackfruit from the area of the Ilha Grande State Park. .
Protected areas; Traditional knowledge; Local environmental management; Local community