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Igarapé do Cumaru, Rio Negro basin, Brazil
Brazil, Amazonas
Igarapé do Cumaru is a tributary of the Paraná Ataui, which is a tributary of the Rio Negro, in turn. The area is covered with dense emerged vegetation that allows very little light to pass. The water is dark due to the decaying materials and the pH is acidic due to the effect of tannins.
- Submitted by
- Monica Bernardoni
- Approved by
- Roberto Reis, Francesco Denitto & Donald C. Taphorn
- GPS
- -0.2664810, -64.2423325
- Geographical region
- South America
- Drainage Basin
- Rio Amazonas
- River catchment
- Rio Negro
- Water body type
- Igarapè
- Water body name
- do Cumaru
- Water body part
- Water body course
- Water body: tributary of
- Rio
- Tributary name
- Paraná Ataui
Videos above and below water
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Water Chemistry
Water information
- Water type
- fresh-water
- Water color
- Black water
- Water transparency
- Low
- Concentration of sediments
- High
- Water temperature
- 24-25 °C
- Water flow/curent
- None
Chemical parameters
- pH
- 4.5
- Conductivity
- GH
- 5-10 mg/l
- dGH
- KH
- 0
- dKH
- Dissolved Oxygen
Substrate in nature
- Sand
- Beige
- Pebble/Gravel
- None
- Stone
- Brown
- Stone form
- Silt/Mud
- Leaves
- Driftwood
- Submerged terrestrial vegetation
Aquatic Biotope
- Date of collecting
- Collecting area
- Water depth
- Air temperature
- Sunlight
Environment
- Environment
- Human settlements
- Human settlements
- Dispersed
- Surrounding area
- Underwater landscape
- Threats to ecology
Riparian zone
- Trees near the aquatic habitat
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Many -
