HydroBASINS lev08 watershed · #1081161060
Bassin de Kouyou
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 : Mossaka, Owando
Sub-basin area
2 285,3km²
Upstream area
17 419,3km²
Discharge
296,58m³/s
Mean elev.
321m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kouyou2071 km²
- Bassin de Kouyou146 km²
2 dept-equivalent regions (GADM L2)
- 1893.7 km²83.2% of basin
- 381.4 km²16.8% of basin
2 intersecting protected areas
Grands affluents
IUCN Not ReportedWetland of International Importance (Ramsar Site)
1346.35 km² overlap
Tchicapika-Owando
IUCN VIWetland of International Importance (Ramsar Site)
1178.20 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
31 distinct species · 39 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 6 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 Kouyou : 6 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 1 type (connectance 33.3%, 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°
25,4°C
Annual rain
1 660mm
Moisture idx (CMI)
0,01
Runoff
351mm/an
PET
1 641mm
AET
1 396mm
Mean slope
0,6°
Water table
21cm
Forest
90%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)