HydroBASINS lev08 watershed · #1081209010
Bassin de Nyanga
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 : Basse Banio, Mougoutsi
Sub-basin area
1 203,7km²
Upstream area
23 820km²
Discharge
573,43m³/s
Mean elev.
129m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nyanga290 km²
- Bassin de Moukalaba141 km²
2 dept-equivalent regions (GADM L2)
- 778.7 km²65.0% of basin
- 419.7 km²35.0% of basin
4 intersecting protected areas
National park
693.24 km² overlap
Domaine de chasse de Sette-Cama
IUCN Not ReportedHunting Area
236.46 km² overlap
Setté Cama
IUCN VIWetland of International Importance (Ramsar Site)
236.45 km² overlap
Reserve de faune de la Plaine Ouanga
IUCN Not ReportedFaunal reserve
1.16 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
319 distinct species · 2 307 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 2 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 Nyanga : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, 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°
25,0°C
Annual rain
1 699mm
Moisture idx (CMI)
0,05
Runoff
864mm/an
PET
1 613mm
AET
1 270mm
Mean slope
4,9°
Water table
219cm
Forest
95%
Crops
1%
Urban
0%
Protected
77%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)