HydroBASINS lev08 watershed · #1080919420
Bassin de Oulé
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 : Nzérékoré, Yamou
Sub-basin area
1 035,4km²
Upstream area
2 903,2km²
Discharge
96,63m³/s
Mean elev.
437m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Tile339 km²
- Bassin de Oulé6 km²
2 dept-equivalent regions (GADM L2)
- 765.9 km²74.3% of basin
- 265.1 km²25.7% of basin
1 intersecting protected areas
Mt. Yonon
IUCN Not ReportedClassified Forest
20.08 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
321 distinct species · 1 421 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 13 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 Oulé : 12 espèces reliées par 9 interactions GloBI sur 2 types (connectance 11.5%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
24,4°C
Annual rain
2 115mm
Moisture idx (CMI)
0,07
Runoff
1 141mm/an
PET
1 959mm
AET
1 423mm
Mean slope
3,5°
Water table
120cm
Forest
5%
Crops
4%
Urban
1%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)