“…These plans included the construction of extensive roads throughout the basin and the implementation of fiscal incentives for new settlers, triggering a massive migration of landless people into the region (Kelly and London, 1983;Moran, 1993). Since then, deforestation has become an intensive activity within the basin (Millet et al, 1998;Peterson and Heemskerk, 2001;Steininger et al, 2001), and, by the early 1990s, more than 10% of the basin's original forest had been converted to pasture or cropland (Fearnside, 1993), and, more recently, preferably to soybean culture (Fearnside, 2001). In Brazilian Amazonia alone, deforestation has reached an average rate of 1.78 × 10 4 km 2 /year from 1988 to (INPE, 2004.…”