Autores
Edson E Sano, Roberto Rosa, Jorge LS Brito, Laerte G Ferreira
Fecha de publicación
2010/7
Revista
Environmental monitoring and assessment
Volumen
166
Número
1
Páginas
113-124
Editor
Springer Netherlands
Descripción
The Brazilian tropical savanna (Cerrado), encompassing more than 204 million hectares in the central part of the country, is the second richest biome in Brazil in terms of biodiversity and presents high land use pressure. The objective of this study was to map the land cover of the Cerrado biome based on the segmentation and visual interpretation of 170 Landsat Enhanced Thematic Mapper Plus satellite scenes acquired in 2002. The following land cover classes were discriminated: grasslands, shrublands, forestlands, croplands, pasturelands, reforestations, urban areas, and mining areas. The results showed that the remnant natural vegetation is still covering about 61% of the biome, however, on a highly asymmetrical basis. While natural physiognomies comprise 90% of the northern part of the biome, only 15% are left in its southern portions. Shrublands were the dominant natural land cover class, while …
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Artículos de Google Académico
EE Sano, R Rosa, JLS Brito, LG Ferreira - Environmental monitoring and assessment, 2010