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Table 3 Environmental factor maps used in the analyses

From: Mapping data gaps to estimate biomass across Brazilian Amazon forests

Environmental factorsMapsDescriptionN° of classesaScaleSpatial resolution ScaleDownload site
VegetationVegetation map of Brazil (IBGE and USGS 1992)Vegetation map, digitalized by the U.S. Geological Survey36National1:5,000,000
Vegetation map (SIVAM 2002)Based on RadamBrasil project map, with the land-use classes updated by the SIVAM project80National1:250,000
Vegetation map of Brazil (IBGE 2004b)Part of the wall maps of IBGE, based on RadamBrasil map Includes forest and non-forest formations according to plant physiognomies, also used remote sensing38National1:5,000,000
Brazilian biomes vegetation cover (MMA 2006a)PROBIO project gather all the other vegetation mapping initiatives with more detailed satellite images analysis298Regional1:250,000
Vegetation physiognomies of Brazil (MCT 2010)Map used in the National Communications of Brazil, grouping the transition classes of the IBGE (2004a, 2004b) and the PROBIO vegetation maps28Regional1:250,000
SoilsSoil map of Brazil (IBGE 2001)The soil map used the new Brazilian system of soil classification of Embrapa and published by IBGE and Embrapa32National1:5,000,000
Soils of Legal Amazon (MMA 2006b)This map is part of the Environmental and Ecological Zoning (ZEE) of the Legal Amazon26Regional1: 250,000
Soil carbon stocks (Bernoux et al. 2002)Soil carbon stocks is a combination of IPCC global soils with vegetation classes42National
Soil map (Quesada et al. 2011)Soil maps with particular reference to RAINFOR sites. Basin-wide distributions of soils under forest vegetation13Regional1:5,000,000
ClimateWater deficit (Fonseca et al. 2016)Cumulative water deficit (1988–2014) calculated using Tropical Rainfall Measuring Mission (TRMM) data14Global0.25°
Climate map of Brazil (IBGE 2002a)Thematic map of Brazil, data from 1978 with adaptations in 2002, dry months5National1:5,000,000
TopographyRelief map 2002 (IBGE 2002b)Relief map 2002 (Compartimentos do relevo do Brasil – 2002)32National1:250,000
Relief units map of Brazil (IBGE 2006)Thematic map, based on the RadamBrasil project and improved with remote sensing products69National1:5,000,000
Geomorphology of the Legal Amazon (MMA 2006b)This map is part of the Environmental and Ecological Zoning (ZEE) of the Legal Amazon64Regional1:250,000
  1. Source: Based on Tejada et al. (2019)
  2. aThe number of classes refers to the study area and the classification chosen in each map