HydroBASINS lev08 watershed · #1081025170
Bassin de Sanaga
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 1 administrative regions : Haute Sanaga
Sub-basin area
1 149,6km²
Upstream area
66 101,6km²
Discharge
947,23m³/s
Mean elev.
639m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1081019840886 km²
- Bassin de Sanaga103 km²
1 dept-equivalent regions (GADM L2)
- 1144.6 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
147 distinct species · 259 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 Sanaga : 14 espèces reliées par 12 interactions GloBI sur 2 types (connectance 8.8%, 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°
24,1°C
Annual rain
1 526mm
Moisture idx (CMI)
-0,04
Runoff
334mm/an
PET
1 593mm
AET
1 121mm
Mean slope
2,7°
Water table
114cm
Forest
95%
Crops
8%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)