HydroBASINS lev08 watershed · #1080636220
Bassin · #1080636220
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 : Ouallam
Sub-basin area
450,6km²
Upstream area
3 110km²
Discharge
1,36m³/s
Mean elev.
276m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1080627070159 km²
- Bassin · #108062698021 km²
1 dept-equivalent regions (GADM L2)
- OuallamTillabéry · Niger449.0 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
15 distinct species · 18 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°
29,3°C
Annual rain
290mm
Moisture idx (CMI)
-0,86
Runoff
15mm/an
PET
2 120mm
AET
242mm
Mean slope
0,7°
Water table
239cm
Forest
0%
Crops
6%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)