HydroBASINS lev08 watershed · #1081027820
Bassin de Nianiang
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 : Haute Sanaga
Sub-basin area
480,8km²
Upstream area
67 426,1km²
Discharge
961,66m³/s
Mean elev.
637m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sanaga1150 km²
- Bassin de Tédé844 km²
1 dept-equivalent regions (GADM L2)
- 478.7 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
33 distinct species · 74 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°
24,1°C
Annual rain
1 530mm
Moisture idx (CMI)
-0,03
Runoff
338mm/an
PET
1 585mm
AET
1 134mm
Mean slope
2,9°
Water table
95cm
Forest
88%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)