Table 1. Overview of the relative distribution of soybean area expansion in different regions of Brazil and Argentina.

Year	Brazil				Argentina			References
	Three southern states		Cerrado b savannah (50% grass + 50% forest)	Amazon rain forest	Pampas grassland	Gran Chaco grassland	Yungas forest
	Atlantic forest (70%)	Campos and Pampas a grassland (30%)
1961	70%	30%	0%	0%	100%	0%	0%	[23–25]
1980	60%	25%	15%	0%				[13,14,18,23,26–28]
1990					60%	20%	20%	[24,29]
2000	34%	14%	42%	10%				[23]
2008	30%	12%	47%	11%				[14,18,28]

^a Pampas: 60% grass and rangeland and 40% wetlands and useless lands, but related to soybean area expansion we assume that only grassland is converted

^b Cerrado: 50% grassland and 50% forest