HydroBASINS lev08 watershed · #1081166660
Bassin de Léyou
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 7 administrative regions across 2 countries : Lombo-Bouenguidi, Léboumbi-Leyou, Lékoko, Mayoko, Mouloudnou +2
Sub-basin area
2 314,7km²
Upstream area
32 651,6km²
Discharge
992,95m³/s
Mean elev.
486m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Léconi854 km²
- Bassin de Ogooué246 km²
7 dept-equivalent regions (GADM L2)
- 1227.3 km²53.3% of basin
- 676.3 km²29.3% of basin
- 221.3 km²9.6% of basin
- 116.1 km²5.0% of basin
- 43.0 km²1.9% of basin
- 19.0 km²0.8% of basin
- 1.4 km²0.1% of basin
2 intersecting protected areas
Rapides de Mboungou Badouma et de Doume
IUCN Not ReportedWetland of International Importance (Ramsar Site)
139.51 km² overlap
Domaine de chasse de Lekedi
IUCN Not ReportedHunting Area
3.72 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
479 distinct species · 2 372 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 Léyou : 14 espèces dont 5 patrimoniales (LR IUCN CR/EN/VU) reliées par 13 interactions GloBI sur 2 types (connectance 12.4%, 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°
24,2°C
Annual rain
1 827mm
Moisture idx (CMI)
0,15
Runoff
825mm/an
PET
1 550mm
AET
1 335mm
Mean slope
5,6°
Water table
197cm
Forest
94%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)