A redução de áreas florestais numa região triticola do Rio Grande do Sul

Abstract

In this study, it was realized the photointerpretation of arboreous and shrubby vegetal formations in some parts of areas of the municipalities of Cruz Alta, Pejuçara, Ijuí, Tupanciretã, Augusto Pestana and Júlio de Castilhos, contained between the 53 ° 30 'and 54 ° 00 ' West Longitude coordinates and the South Latitude 28 ° 30' and 28 ° 57 ' concerning the years 1964 and 1974, with objective of checking the intensity of deflorestation in that region.From the information obtained from from vertical aerophotography interpretation, and orbital images calculations were made to determine the intensity of arboreous and shrubby reduction occured in a period of ten years.