HydroBASINS lev08 watershed · #1081231510
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 1 administrative regions : Loudima
Sub-basin area
28,7km²
Upstream area
3 880,2km²
Discharge
46,83m³/s
Mean elev.
148m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Loudima442 km²
- Bassin de Loudima437 km²
1 dept-equivalent regions (GADM L2)
- 28.6 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
15 distinct species · 24 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°
25,8°C
Annual rain
1 081mm
Moisture idx (CMI)
-0,30
Runoff
335mm/an
PET
1 548mm
AET
914mm
Mean slope
1,5°
Water table
145cm
Forest
18%
Crops
0%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)