HydroBASINS lev08 watershed · #1081235760
Bassin de Djoué
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 4 administrative regions : Brazzaville, Kinkala, Mayama, Ngamaba
Sub-basin area
900,3km²
Upstream area
6 267,7km²
Discharge
158,43m³/s
Mean elev.
412m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Djoué705 km²
- Bassin de Madzia688 km²
4 dept-equivalent regions (GADM L2)
- 536.8 km²59.9% of basin
- 207.0 km²23.1% of basin
- 122.6 km²13.7% of basin
- BrazzavilleBrazzaville · Republic of the Congo29.9 km²3.3% of basin
2 intersecting protected areas
Les Rapides du Congo-Djoué
IUCN Not ReportedWetland of International Importance (Ramsar Site)
3.18 km² overlap
Patte d'Oie
IUCN VIForest Reserve
0.29 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
439 distinct species · 1 425 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Djoué : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 3 types (connectance 5.5%, filtre Serrano α=0.2). 9 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°
24,8°C
Annual rain
1 438mm
Moisture idx (CMI)
-0,12
Runoff
655mm/an
PET
1 638mm
AET
1 197mm
Mean slope
6,4°
Water table
379cm
Forest
51%
Crops
2%
Urban
6%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)