FIGURE 1. Study area. A. Detailed satellite image of South America; black square shows the region where the collecting points are located in the Brazilian Amazon. B. Satellite image of the area highlighted by the black box in Fig. 1A; the blue spot is the collecting place in the state of Amapá. C. Satellite image of the savannas; the blue spot is the collecting place. D. Aerial view of the savannas (sv) and soy monoculture (sm) separated by a road. E–F. Overview of the savanna.