Blackwater river
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A blackwater river is a type of river with a slow-moving channel flowing through forested swamps or wetlands. Most major blackwater rivers are in the Amazon Basin and the Southern United States. The t
A swamp-fed stream in northern Florida, showing tannin-stained undisturbed blackwater
The Lumber River as seen from the boat launch at Princess Ann near Orrum, North Carolina
Tea-colored Tahquamenon Falls
Amazon tributary classified as blackwater
Rio Negro (Amazon)
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The Rio Negro, or Guainía as it is known in its upper part, is the largest left tributary of the Amazon River, the largest blackwater river in the world, and one of the world's ten largest rivers by a
Blackwater river
…number of planktonic animals caught in black and white water localities only a few meters apart. The black water was not as extreme an example as the Rio Negro system. However, it can be seen that the black water held greater numbers of rotifers but fewer crustaceans and mites. These crustaceans are important…
Sunset over the Rio Negro, upstream from Manaus
The confluence of the Amazon River and the Rio Negro at Manaus, Brazil.
Rio Negro near Manaus
Victoria amazonica