Análise do desmatamento nas áreas de influência da BR-421 e as pressões sobre áreas especiais no oeste de Rondônia

Abstract

Objective of the research is to analyze the main anthropogenic changes in the areas of influence of the BR-421 highway and the pressures on the physical environment in part of the specialareas of the indigenous land type located in the west of Rondônia. Indirect methods of landscape analysis were used, namely the digital image processing and the calculation of an anthropic pressure index. In addition to the use of indirect methods, a questionnaire was used to evaluate the perception of indigenous students residing in one of the lands found in the areas of influence of federal highway BR-421. Resultshadshowed that deforestation was consolidated in the year 2000 through the implementation of federal highway BR-421 and the conversion of the landscape was revealed by the agricultural sector, which grew by 547.82% in the period of analysis. Finally, of the three areas under federal highway BR-421, the Direct Influence Area (DIA) was the one with the highest growth rate of forest conversion in agricultural areas, 543.58%.