HydroBASINS lev08 watershed · #1080811590
Bassin de Koumongou
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 : Kéran, Oti, Oti-Sud
Sub-basin area
596,1km²
Upstream area
6 850,1km²
Discharge
102,22m³/s
Mean elev.
147m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Koumongou537 km²
- Bassin de Koumongou355 km²
3 dept-equivalent regions (GADM L2)
- 494.3 km²83.3% of basin
- 78.3 km²13.2% of basin
- 21.1 km²3.6% of basin
2 intersecting protected areas
Oti-Kéran
IUCN IINational Park
311.19 km² overlap
Parc national de la Keran
IUCN Not ReportedWetland of International Importance (Ramsar Site)
311.19 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
80 distinct species · 395 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Koumongou : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 19 interactions GloBI sur 4 types (connectance 6.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
27,9°C
Annual rain
1 104mm
Moisture idx (CMI)
-0,44
Runoff
435mm/an
PET
1 965mm
AET
892mm
Mean slope
0,7°
Water table
72cm
Forest
46%
Crops
39%
Urban
0%
Protected
74%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)