HydroBASINS lev08 watershed · #1080841510
Bassin de Ouandija
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 : Birao
Sub-basin area
1 025,6km²
Upstream area
8 389km²
Discharge
11,34m³/s
Mean elev.
529m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ouandija677 km²
- Bassin de Ouandija90 km²
1 dept-equivalent regions (GADM L2)
- 1021.4 km²100.0% of basin
1 intersecting protected areas
Ouandjia-Vakaga
IUCN IVFaunal Reserve
302.22 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
26,2°C
Annual rain
944mm
Moisture idx (CMI)
-0,55
Runoff
45mm/an
PET
2 116mm
AET
797mm
Mean slope
1,6°
Water table
163cm
Forest
0%
Crops
0%
Urban
0%
Protected
30%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)