HydroBASINS lev08 watershed · #1081196090
Bassin de Ogooué
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 across 2 countries : Bambama, Mpassa, Zanaga
Sub-basin area
502,6km²
Upstream area
4 709,3km²
Discharge
128,04m³/s
Mean elev.
570m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ogooué1808 km²
- Bassin de Ogooué509 km²
3 dept-equivalent regions (GADM L2)
- 495.9 km²99.1% of basin
- 3.7 km²0.7% of basin
- 0.7 km²0.1% of basin
2 intersecting protected areas
Parc National Ogooué-Lékéti
IUCN IINational Park
405.89 km² overlap
National park
1.73 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
122 distinct species · 450 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 Ogooué : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 2 types (connectance 16.4%, 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°
23,5°C
Annual rain
1 964mm
Moisture idx (CMI)
0,22
Runoff
953mm/an
PET
1 538mm
AET
1 285mm
Mean slope
3,3°
Water table
157cm
Forest
90%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)