Deforestation of the Amazon rainforest The completion of the roads was followed by a wave of resettlement; these settlers had a significant effect on the forest as well. Research conducted by Leydimere Oliveira et al. has shown that the more rainforest is logged in the Amazon, the less precipitation reaches the area and so the lower the yield per hectare becomes. Thus for Brazil as a whole, there is no economic gain to be made by logging and selling trees and using the logged land for pastoral purposes. A September 2016 Amazon Watch report concludes that imports of crude oil by the US are driving
Yellow-billed amazon red bases. Its beak is yellow, its irises are brown, and its legs are pink. The adult male and female are identical in external appearance. Juveniles have grey on the upper mandible and are otherwise similar to adults. The yellow-billed amazon is found up to 1200m on the island of Jamaica where it is more abundant in the John Crow Mountains, on Mount Diablo and in the Cockpit Country. In the breeding season it stays within rainforest. The yellow-billed amazon is classified as vulnerable by the International Union for Conservation of Nature (IUCN). They are a protected species being listed