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Table 4 Relationships between the environmental factors and AGB maps

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

Environmental factorMapsSaatchi et al. (2011)Baccini et al. (2012)Nogueira et al. (2015)MCT (2016)Avitabile et al. (2016)
VegetationVegetation map of Brazil (IBGE and USGS 1992)I: Both used satellite imagesI: Both used SRTM, and satellite images  D: Avitabile et al. (2016) combine Saatchi et al. (2011) and Baccini et al. (2012), having relation with the maps that they used.
Vegetation map (SIVAM 2002)I: Both used satellite imagesI: Both used SRTM, and satellite imagesD: Nogueira et al. (2015) used this map 
Vegetation map of Brazil (IBGE 2004b)I: Both used SRTM, and satellite imagesI: Both used SRTM, and satellite images I: the MCT 2010 vegetation map, used this map
Brazilian biomes vegetation cover (MMA 2006a)I: Both used SRTM, and satellite imagesI: Both used SRTM, and satellite images I: the MCT 2010 vegetation map, used this map
Vegetation physiognomies of Brazil (MCT 2010)   D: MCT (2016) used this map 
SoilsSoil map of Brazil (IBGE 2001)     
Soils of Legal Amazon (MMA 2006b)     
Soil carbon stocks (Bernoux et al. 2002)     
Soil map (Quesada et al. 2011)     
ClimateWater deficit (Fonseca et al. 2016)     
Climate map of Brazil (IBGE 2002a)     
TopographyRelief map 2002 (IBGE 2002b)     
Relief units map of Brazil (IBGE 2006)I: Both used SRTM, and satellite imagesI: Both used SRTM, and satellite images   
Geomorphology of the Legal Amazon (MMA 2006b)I: Both used SRTM, and satellite imagesI: Both used SRTM, and satellite images   
  1. D Direct relationship, I Indirect relationship