HydroBASINS lev08 watershed · #1080857660
Bassin de Ouémé
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 : Tchaourou
Sub-basin area
937,7km²
Upstream area
11 005,7km²
Discharge
62,47m³/s
Mean elev.
303m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Yéroumarou2584 km²
- Bassin de Ouémé1086 km²
2 intersecting protected areas
Ouari Maro
IUCN Not ReportedClassified Forest
169.61 km² overlap
Ouémé Superieur
IUCN Not ReportedClassified Forest
48.85 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 057 distinct species · 9 036 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 11 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 Ouémé : 8 espèces reliées par 12 interactions GloBI sur 4 types (connectance 15.4%, filtre Serrano α=0.2). 5 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°
26,8°C
Annual rain
1 143mm
Moisture idx (CMI)
-0,40
Runoff
164mm/an
PET
1 898mm
AET
924mm
Mean slope
1,4°
Water table
140cm
Forest
68%
Crops
36%
Urban
1%
Protected
23%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)