HydroBASINS lev08 watershed · #1080851650
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 2 administrative regions : Ouadda, Ouanda Djallé
Sub-basin area
1 023,9km²
Upstream area
1 023,9km²
Discharge
1,27m³/s
Mean elev.
767m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 911.7 km²89.4% of basin
- 107.9 km²10.6% of basin
1 intersecting protected areas
Yata-Ngaya
IUCN IVFaunal Reserve
48.50 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 distinct species · 26 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°
24,7°C
Annual rain
1 029mm
Moisture idx (CMI)
-0,49
Runoff
45mm/an
PET
2 033mm
AET
865mm
Mean slope
3,5°
Water table
302cm
Forest
82%
Crops
7%
Urban
0%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)