HydroBASINS lev08 watershed · #1081098860
Bassin de Ngoko
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 across 2 countries : Boumba et Ngoko, Ouesso
Sub-basin area
1 210,2km²
Upstream area
72 390,3km²
Discharge
729,7m³/s
Mean elev.
445m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ndjombi909 km²
- Bassin de Ngoko897 km²
2 dept-equivalent regions (GADM L2)
- 605.4 km²50.2% of basin
- 599.4 km²49.8% of basin
1 intersecting protected areas
Partie camerounaise du fleuve Sangha
IUCN Not ReportedWetland of International Importance (Ramsar Site)
15.09 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
63 distinct species · 121 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Ngoko : 4 espèces reliées par 2 interactions GloBI sur 1 type (connectance 33.3%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
24,6°C
Annual rain
1 613mm
Moisture idx (CMI)
-0,04
Runoff
248mm/an
PET
1 681mm
AET
1 329mm
Mean slope
3,9°
Water table
229cm
Forest
99%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)