HydroBASINS lev08 watershed · #1080970130
Bassin de Sassandra
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 : Guémon, Haut-Sassandra, Nawa
Sub-basin area
894,5km²
Upstream area
39 276,6km²
Discharge
415,15m³/s
Mean elev.
216m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sassandra1261 km²
- Bassin de Guémon1063 km²
3 dept-equivalent regions (GADM L2)
- 443.2 km²49.8% of basin
- 389.0 km²43.7% of basin
- 58.4 km²6.6% of basin
2 intersecting protected areas
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
66 distinct species · 156 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 Sassandra : 4 espèces reliées par 3 interactions GloBI sur 1 type (connectance 30.0%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
25,8°C
Annual rain
1 481mm
Moisture idx (CMI)
-0,12
Runoff
317mm/an
PET
1 681mm
AET
1 182mm
Mean slope
1,7°
Water table
66cm
Forest
8%
Crops
9%
Urban
1%
Protected
21%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)