Detecção de desmatamentos em zonas de amortecimento: um estudo de caso nas unidades de conservação das bacias do Rio Pardo e Jequitinhonha, Minas Gerais

Abstract

Conservation Units (CU) are geographic areas designed to protect natural ecosystems. However, their creation alone do not guarantee the biodiversity conservation of these ecosystems. In this sense, the use of remotely sensed data allows the monitoring of natural phenomena that occur in the CU and its surroundings, such as the deforestation. The objective of this study was to detect deforestations in 26 CU and its surroundings, located in the Pardo and Jequitinhonha river basin, MG, and to relate these deforestations to the modification of the legislation by CONAMA Resolution n° 428/2010. We analyzed the number of deforestation and deforested areas in each CU and its surrounding areas (buffers with 2, 3, 5 and 10 km). We noted that the preservation of CU is increasingly threatened, with a significant increase in deforested area between the periods 2008-2009 and 2014-2015. The application of Remote Sensing techniques and geotechnologies for monitoring the CU can generate information to subsidy the supervision and management of these areas.