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Blackwater tributary in Nhamundà area, Amazonas
Brazil, Amazonas, Nhamundà
The tributary is located in the Rio Nhamundà area. The water flow is slow, and the water body is stained dark brown by the humus released by the low bed litter. The pH is about 5.5. The submerged roots, decaying branches and submerged vegetation provide an excellent shelter for the biological communities in this area. I like Heckel in this valley best.
- Submitted by
- Chen Meici
- Approved by
- Roberto E. Reis & Flávio Lima
- Geographical region
- South America
- Drainage Basin
- Rio Amazonas
- River catchment
- Rio Nhamundà
- Water body type
- River
- Water body name
- Rio Nhamundà
- Water body part
- Flood plain
- Water body course
- Middle course
- Water body: tributary of
- Rio
- Tributary name
- Amazonas
Videos above and below water
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Water Chemistry
Water information
- Water type
- fresh-water
- Water color
- Mixed water
- Water transparency
- Medium
- Concentration of sediments
- Medium
- Water temperature
- 28 °C
- Water flow/curent
- None
Chemical parameters
- pH
- 5
- Conductivity
- 40
- GH
- dGH
- KH
- dKH
- Dissolved Oxygen
Substrate in nature
- Sand
- Beige
- Pebble/Gravel
- Mixed
- Stone
- Mixed
- Stone form
- Irregular
- Silt/Mud
- None
- Leaves
- no
- Driftwood
- Few
- Submerged terrestrial vegetation
- Yes
Aquatic Biotope
- Date of collecting
- Collecting area
- Flooded area
- Water depth
- 1,0m
- Air temperature
- 32 °C
- Sunlight
- Filtered/dappled sun
Environment
- Environment
- Untouched
- Surrounding area
- Underwater landscape
- Threats to ecology
