HydroBASINS lev08 watershed · #1081228940
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 3 administrative regions : Kindamba, Mindouli, Mouyondzi
Sub-basin area
1 395,6km²
Upstream area
4 761,2km²
Discharge
95,16m³/s
Mean elev.
453m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ndoue1770 km²
- Bassin de Djouéké1596 km²
3 dept-equivalent regions (GADM L2)
- 696.8 km²50.2% of basin
- 690.6 km²49.7% of basin
- 2.0 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
11 distinct species · 20 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 567mm
Moisture idx (CMI)
0,00
Runoff
511mm/an
PET
1 560mm
AET
1 226mm
Mean slope
3,0°
Water table
132cm
Forest
59%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)