Abstract: The Soy Moratorium is a pledge agreed to by major soybean companies not to trade soybean produced in deforested areas after 24th July 2006 in the Brazilian Amazon biome. The present study aims to identify soybean planting in these areas using the MOD13Q1 product and TM/Landsat-5 images followed by aerial survey and field inspection. In the 2009/2010 crop year, 6.3 thousand ha of soybean (0.25% of the total deforestation) were identified in areas deforested during the moratorium period. The use of remote sensing satellite images reduced by almost 80% the need for aerial survey to identify soybean planting and allowed monitoring of all deforested areas greater than 25 ha. It is still premature to attribute the recent low deforestation rates in the Amazon biome to the Soy Moratorium, but the initiative has certainly exerted an inhibitory effect on the soybean frontier expansion in this biome.
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Rudorff, B.F.T.; Adami, M.; Aguiar, D.A.; Moreira, M.A.; Mello, M.P.; Fabiani, L.; Amaral, D.F.; Pires, B.M. The Soy Moratorium in the Amazon Biome Monitored by Remote Sensing Images. Remote Sens. 2011, 3, 185-202.
Rudorff BFT, Adami M, Aguiar DA, Moreira MA, Mello MP, Fabiani L, Amaral DF, Pires BM. The Soy Moratorium in the Amazon Biome Monitored by Remote Sensing Images. Remote Sensing. 2011; 3(1):185-202.
Rudorff, Bernardo Friedrich Theodor; Adami, Marcos; Aguiar, Daniel Alves; Moreira, Maurício Alves; Mello, Marcio Pupin; Fabiani, Leandro; Amaral, Daniel Furlan; Pires, Bernardo Machado. 2011. "The Soy Moratorium in the Amazon Biome Monitored by Remote Sensing Images." Remote Sens. 3, no. 1: 185-202.