HydroBASINS lev08 watershed · #6080226220
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
418,6km²
Upstream area
418,7km²
Discharge
14,09m³/s
Mean elev.
76m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 416.6 km²100.0% of basin
- 0.2 km²0.0% of basin
1 intersecting protected areas
Waimiri-Atroari
IUCN Not ReportedIndigenous Area
416.76 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
18 distinct species · 38 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 290mm
Moisture idx (CMI)
0,27
Runoff
1 072mm/an
PET
1 677mm
AET
1 477mm
Mean slope
1,6°
Water table
18cm
Forest
100%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)