HydroBASINS lev08 watershed · #1081143820
Bassin de Likouala
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 : Makoua, Mossaka
Sub-basin area
46km²
Upstream area
44 808,5km²
Discharge
672,53m³/s
Mean elev.
322m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Lengoue679 km²
- Bassin de Likouala594 km²
2 dept-equivalent regions (GADM L2)
- 26.6 km²58.1% of basin
- 19.2 km²41.9% of basin
3 intersecting protected areas
Grands affluents
IUCN Not ReportedWetland of International Importance (Ramsar Site)
45.80 km² overlap
National Park
22.01 km² overlap
Ntokou-Pikounda
IUCN Not ReportedWetland of International Importance (Ramsar Site)
21.76 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
148 distinct species · 358 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 Likouala : 14 espèces reliées par 14 interactions GloBI sur 3 types (connectance 10.3%, filtre Serrano α=0.2). 3 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°
25,4°C
Annual rain
1 650mm
Moisture idx (CMI)
-0,01
Runoff
205mm/an
PET
1 664mm
AET
1 386mm
Mean slope
0,9°
Water table
38cm
Forest
91%
Crops
0%
Urban
0%
Protected
48%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)