HydroBASINS lev08 watershed · #1080836100
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
123,6km²
Upstream area
11 345km²
Discharge
15,88m³/s
Mean elev.
445m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ouandija927 km²
- Bassin · #1080835550632 km²
1 dept-equivalent regions (GADM L2)
- 123.1 km²100.0% of basin
1 intersecting protected areas
Ouandjia-Vakaga
IUCN IVFaunal Reserve
54.56 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 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°
26,8°C
Annual rain
979mm
Moisture idx (CMI)
-0,54
Runoff
75mm/an
PET
2 117mm
AET
827mm
Mean slope
0,2°
Water table
46cm
Forest
0%
Crops
0%
Urban
0%
Protected
44%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)