HydroBASINS lev08 watershed · #1081227490
Bassin de Niari
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 : Loudima, Louvakou (Loubomo)
Sub-basin area
648,2km²
Upstream area
24 127,6km²
Discharge
381,34m³/s
Mean elev.
171m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Niari264 km²
- Bassin de Niari29 km²
2 dept-equivalent regions (GADM L2)
- 631.6 km²97.9% of basin
- 13.8 km²2.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
25 distinct species · 35 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°
25,6°C
Annual rain
1 129mm
Moisture idx (CMI)
-0,27
Runoff
316mm/an
PET
1 544mm
AET
955mm
Mean slope
2,1°
Water table
160cm
Forest
25%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)