HydroBASINS lev08 watershed · #1080692970
Bassin du Niger
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 : Kollo, Say
Sub-basin area
54,3km²
Upstream area
687 670,3km²
Discharge
750,36m³/s
Mean elev.
217m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin du Niger330 km²
- Bassin du Niger295 km²
2 dept-equivalent regions (GADM L2)
- SayTillabéry · Niger49.2 km²91.0% of basin
- 4.9 km²9.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
29,0°C
Annual rain
559mm
Moisture idx (CMI)
-0,73
Runoff
50mm/an
PET
2 093mm
AET
471mm
Mean slope
0,6°
Water table
314cm
Forest
0%
Crops
82%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)