HydroBASINS lev08 watershed · #1080022420
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 : Brass, Southern Ijaw
Sub-basin area
237,8km²
Upstream area
2 098 663,8km²
Discharge
6 861,04m³/s
Mean elev.
9m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin du Niger136 km²
- Bassin de Seibiri Creek101 km²
2 dept-equivalent regions (GADM L2)
- 165.2 km²69.8% of basin
- 64.6 km²27.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 2 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°
26,7°C
Annual rain
3 375mm
Moisture idx (CMI)
0,56
Runoff
1 580mm/an
PET
1 500mm
AET
1 365mm
Mean slope
0,5°
Water table
9cm
Forest
100%
Crops
36%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)