The Rio Negro is one of the main tributaries of the Amazon River in Brazil. It is the largest black river in the world. It flows mainly through the Amazon rainforest. There are some connections between the Amazon River and the Rio Negro.
Here are some important things to know about the connection between them:
Confluence: The Rio Negro joins the Amazon River near the city of Manaus, Brazil. Known as the "Encontro das Águas", or "Meeting of the Waters", this place is very famous for its natural phenomenon and as a tourist destination.
Different colors: The water of the Rio Negro is dark brown, which is due to tannins from decaying plants. On the other hand, the water of the Amazon River is light brown, due to a mixture of clay and silt. When these two rivers meet, the two colors flow together for about 6 kilometers without mixing due to the difference in their temperature, flow speed, and density.
Habitat: The black waters of the Rio Negro create a unique ecosystem. The fish, amphibians, and other organisms in this river are different from those in the Amazon River. In addition, the Anavilhanas National Park, one of the largest river archipelagos in the world, is located on the Rio Negro River.
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