HydroBASINS lev08 watershed · #6080222260
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 3 administrative regions : Presidente Figueiredo, Rorainópolis, Urucará
Sub-basin area
530,8km²
Upstream area
530,8km²
Discharge
19,31m³/s
Mean elev.
147m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 521.1 km²98.6% of basin
- 7.4 km²1.4% of basin
- 0.0 km²0.0% of basin
1 intersecting protected areas
Waimiri-Atroari
IUCN Not ReportedIndigenous Area
128.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
20 distinct species · 25 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°
26,8°C
Annual rain
2 229mm
Moisture idx (CMI)
0,25
Runoff
1 148mm/an
PET
1 671mm
AET
1 471mm
Mean slope
5,5°
Water table
125cm
Forest
95%
Crops
0%
Urban
0%
Protected
24%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)