HydroBASINS lev08 watershed · #1081142510
Bassin de Congo
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 : Bolomba, Bomongo, Makanza
Sub-basin area
1 180,4km²
Upstream area
1 501 982,5km²
Discharge
14 435,92m³/s
Mean elev.
319m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Lulonga1216 km²
- Bassin de Congo752 km²
3 dept-equivalent regions (GADM L2)
- 562.8 km²47.9% of basin
- 408.2 km²34.7% of basin
- 204.2 km²17.4% of basin
2 intersecting protected areas
Ngiri
IUCN Not ReportedWetland of International Importance (Ramsar Site)
790.92 km² overlap
Réserve du triangle de la Ngiri
IUCN Not ReportedNature reserve
334.73 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
531 distinct species · 985 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 Congo : 15 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 12 interactions GloBI sur 3 types (connectance 8.8%, filtre Serrano α=0.2). 2 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 717mm
Moisture idx (CMI)
0,03
Runoff
302mm/an
PET
1 669mm
AET
1 416mm
Mean slope
0,4°
Water table
17cm
Forest
79%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)