HydroBASINS lev08 watershed · #1081136300
Bassin de Ngiri
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 : Bomongo, Makanza
Sub-basin area
3 169,9km²
Upstream area
21 993,3km²
Discharge
246,27m³/s
Mean elev.
324m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ngiri795 km²
- Bassin de Ngiri546 km²
2 dept-equivalent regions (GADM L2)
- 2842.5 km²90.1% of basin
- 313.2 km²9.9% of basin
2 intersecting protected areas
Ngiri
IUCN Not ReportedWetland of International Importance (Ramsar Site)
3143.72 km² overlap
Réserve du triangle de la Ngiri
IUCN Not ReportedNature reserve
1885.80 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
54 distinct species · 143 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°
25,3°C
Annual rain
1 717mm
Moisture idx (CMI)
0,02
Runoff
268mm/an
PET
1 679mm
AET
1 416mm
Mean slope
0,3°
Water table
15cm
Forest
91%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)