HydroBASINS lev08 watershed · #6080226920
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
155km²
Upstream area
2 488,6km²
Discharge
103,92m³/s
Mean elev.
66m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #6080229400290 km²
- Bassin · #608022929080 km²
1 dept-equivalent regions (GADM L2)
- 154.3 km²100.0% of basin
2 intersecting protected areas
Environmental Protection Area
154.34 km² overlap
Rio Negro
IUCN IbWetland of International Importance (Ramsar Site)
154.34 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
26,4°C
Annual rain
2 641mm
Moisture idx (CMI)
0,37
Runoff
1 240mm/an
PET
1 666mm
AET
1 653mm
Mean slope
0,8°
Water table
12cm
Forest
99%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)