HydroBASINS lev08 watershed · #6080224130
Bassin de Rio Alalaú
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 2 administrative regions : Presidente Figueiredo, Rorainópolis
Sub-basin area
374,6km²
Upstream area
6 746,3km²
Discharge
228,46m³/s
Mean elev.
79m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Alalaú608 km²
- Bassin de Rio Alalaú531 km²
2 dept-equivalent regions (GADM L2)
- 235.9 km²63.3% of basin
- 137.0 km²36.7% of basin
1 intersecting protected areas
Waimiri-Atroari
IUCN Not ReportedIndigenous Area
372.89 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 8 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°
27,1°C
Annual rain
2 217mm
Moisture idx (CMI)
0,24
Runoff
1 129mm/an
PET
1 681mm
AET
1 470mm
Mean slope
1,8°
Water table
36cm
Forest
100%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)