State Government of Rio Grande do Sul
Início do conteúdo

Environmental Macrozoning

Crossing of databases enables the definition of zonings that help planning environmental preservation actions

The Environmental Macrozoning Map of Rio Grande do Sul was elaborated with the objective of showing the main patterns of soil use and occupation, vegetation coverage and relief using as basis the Mosaic of Images of Rio Grande do Sul (Bands 3, 4 and 5), a composite of images of NOAA satellite from November and December 1999, and February 2000 with information about the maximum monthly vegetation index; the geomorphological map of RADAMBRASIL Project and the Altimetric Map of Rio Grande do Sul. The crossing resulted in the definition of 5 macrozones:

1. Plateau: predominantly formed by areas of clean fields and pastures; subshrubby fields; slope forests; Upper Uruguai forests; agricultural zone with intensive land use in summer and winter, and agricultural zone with intensive land use in summer.

2. Cuesta do Haedo: predominantly formed by areas of clean fields and pastures; subshrubby fields and agricultural zone with intensive land use in summer.

3. Central Depression: predominantly formed by areas of clean fields and pastures; agricultural zone with intensive land use in summer and agricultural zone with diverse crops.

4. Sul-Rio-Grandense Shield: areas of subshrubby fields and mixed fields with occurrence of gallery forests and slopes.

5. Coastal Plain: areas of sandy deposits and cords of dunes; lakes and lagoons; agricultural zone with intensive land use in summer and agricultural zone with diverse crops.

Socioeconomic Atlas of Rio Grande do Sul