Amazon basin Amazon basin The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about , or roughly 40 percent of the South American continent. It is located in the countries of Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, Suriname and Venezuela. Most of the basin is covered by the Amazon Rainforest, also known as Amazonia. With a area of dense tropical forest, this is the largest rainforest in the world. The Amazon River rises in the Andes Mountains at the west of the basin with its main
Deforestation of the Amazon rainforest rainforest destruction in the Amazon and releasing significant greenhouse gases. The annual rate of deforestation in the Amazon region dramatically increased from 1991 to 2003. In the nine years from 1991 to 2000, the total area of Amazon rainforest cleared since 1970 rose from , comparable to the land area of Spain, Madagascar or Manitoba. Most of this lost forest was replaced by pasture for cattle. Deforestation of the Amazon rainforest continued to accelerate in the early 2000s, reaching an annual rate of 27,423 km² of forest loss in the year 2004. Today the remaining forest cover continues to dwindle,