What is at the bottom of the Amazon river?

The abundance of sediment—bits of rocks, soil, and clay carried by currents or resting on the bottom—is what gives much of the main stem of the Amazon River its milky brown color.



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The Amazon River is the mother and sustainer of the Amazon rain forest. The River is considered to be the largest drainage system in the world by the volume of discharge water in its basin. It is also the second-longest river in the word, second only to the river Nile.

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Rainfall that occurs in the Amazon originates from weather patterns that travel from the East, in the Atlantic Ocean, to west, where they move across the Amazon lowlands and approach the Andes mountains. At the same time, daily transpiration of Amazonian trees releases a large quantity of moisture into the air.

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The Amazon River flows for more than 6,600 km, and with its hundreds of tributaries and streams contains the largest number of freshwater fish species in the world. Equally impressive are the unfathomable numbers of mammals, birds, amphibians, and reptiles4 found across the biome.

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Cattle ranching is a leading driver of deforestation in the Amazon, accounting for around 80 percent of the destruction there, and the release of 340 million tons of carbon per year.

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In the waters The biggest water-dwelling mammal, and probably the biggest mammal in the Amazon altogether, is the Amazonian Manatee. A distant relative of the elephant, the Amazonian Manatee can grow up to 2.8m and weigh up to 540kg, with the female usually larger than the male of the species.

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The candiru or vampire fish is one of the rarest fish in the Amazon. It is also one of the fastest. Its tiny, translucent, streamlined body enters the cavities of other animals to feed on their blood.

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The Amazon river carries a lot of sediment (particles of mud and sand), which gives the water a muddy-brown color. Its largest tributary (branch), the Rio Negro, or black river, is filled with chemicals washed out of soil and plants, making the water very dark.

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The Amazon River is by far the world's largest river by volume, carrying more than five times the volume of the Congo or twelve times that of the Mississippi. It drains an area nearly the size of the forty-eight contiguous United States and has over 1,100 tributaries, 17 of which are longer than 1000 miles.

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Coming a close second after the Nile as the world's longest river, the Amazon River sets the record in terms of the sheer volume of water that it carries – a mind-boggling average discharge of 219,000 m3/sec of water.

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The Nile is a major north-flowing river in northeastern Africa. It flows into the Mediterranean Sea. The Nile is the longest river in Africa and has historically been considered the longest river in the world, though this has been contested by research suggesting that the Amazon River is slightly longer.

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People have always been a part of the rich biodiversity of Amazonia as it is the ancestral home to more than one million native Indians. The Amazon rainforest today still houses many indigenous tribes, some of which are referred to as “uncontacted” — tribes continuously trying to live by the rules of nature alone.

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Here are 12 amazing facts about the Amazon.
  • The Amazon River Once Flowed in the Opposite Direction. ...
  • It's the Largest River in the World by Volume. ...
  • And the Second Longest River on Earth. ...
  • It Affects Sea Level in the Caribbean Sea. ...
  • It's Home to the Amazon River Dolphin. ...
  • The Dorado Catfish Also Lives Here.


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