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The Amazon rainforest, [a] also called Amazon jungle or Amazonia, is a moist broadleaf tropical rainforest in the Amazon biome that covers most of the Amazon basin of South America. This basin encompasses 7,000,000 km 2 (2,700,000 sq mi), [ 2 ] of which 6,000,000 km 2 (2,300,000 sq mi) are covered by the rainforest . [ 3 ]
The dense tropical Amazon rainforest is the largest tropical rainforest in the world. [2] It covers between 5,500,000 and 6,200,000 square kilometres (2,100,000 and 2,400,000 sq mi) of the 6,700,000 to 6,900,000 square kilometres (2,600,000 to 2,700,000 sq mi) Amazon biome. The somewhat vague numbers are because the rainforest merges into ...
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Bechtold proposes to use terra preta for soils that show, at 50 centimeters (20 in) depth, a minimum proportion of organic matter over 2.0–2.5%. The accumulation of organic matter in moist tropical soils is a paradox, because of optimum conditions for organic matter degradation. [ 38 ]
Since tropical rainforests are estimated to hold 50% of the planet's species, the canopy of rainforests worldwide may hold 45% of life on Earth. The Amazon rainforest borders eight countries, and has the world's largest river basin and is the source of 1/5 of the Earth's river water. It has the world's greatest diversity of birds and freshwater ...
The northern limit begins with the Guaviare and Vichada Rivers and extends south to the Putumayo and Amazon Rivers. The Amazon region is divided up into distinct subregions: Amazon foothills: bordering the East Andes; Caquetá River Plain: the main watershed of this region; Inírida River Plain: location of the famous Cerros de Mavecure
The following other wikis use this file: Usage on bn.wikipedia.org আমাজন অরণ্য; Usage on es.wikipedia.org Selva amazónica; Usage on fa.wikipedia.org
Map of the Tres Fronteras produced by the National Imagery and Mapping Agency. Tres Fronteras (Portuguese: Três Fronteiras, English: Three Frontiers) is an area of the Amazon rainforest in the Upper Amazon region of South America. It includes, and is named for, the tripoint where the borders of Brazil, Peru, and Colombia meet.