HydroBASINS lev08 watershed · #6080224750
Bassin de Rio Aiuanã
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Santa Isabel do Rio Negro
Sub-basin area
557,2km²
Upstream area
3 487,7km²
Discharge
141,93m³/s
Mean elev.
66m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Aiuanã442 km²
- Bassin de Rio Aiuanã155 km²
1 dept-equivalent regions (GADM L2)
- 554.7 km²100.0% of basin
2 intersecting protected areas
Environmental Protection Area
554.67 km² overlap
Rio Negro
IUCN IbWetland of International Importance (Ramsar Site)
554.67 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
48 distinct species · 82 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
26,5°C
Annual rain
2 611mm
Moisture idx (CMI)
0,36
Runoff
1 217mm/an
PET
1 671mm
AET
1 657mm
Mean slope
0,6°
Water table
5cm
Forest
99%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)