HydroBASINS lev08 watershed · #1080979190
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 4 administrative regions : Cavally, Guémon, Haut-Sassandra, Nawa
Sub-basin area
1 414km²
Upstream area
49 071,1km²
Discharge
496,28m³/s
Mean elev.
207m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de N’Zo2378 km²
- Bassin de Sassandra895 km²
4 dept-equivalent regions (GADM L2)
- 1035.6 km²73.6% of basin
- 294.6 km²20.9% of basin
- 77.4 km²5.5% of basin
- 0.4 km²0.0% of basin
5 intersecting protected areas
National Park-Partial Fauna Reserve Complex
323.67 km² overlap
Réserve partielle du N'Zo
IUCN IVPartial Faunal Reserve
223.89 km² overlap
Issia
IUCN Not ReportedClassified Forest
205.46 km² overlap
Parc national de Taï
IUCN IINational Park
99.79 km² overlap
Taï National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
24.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
131 distinct species · 399 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 21 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 : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 24 interactions GloBI sur 2 types (connectance 11.4%, filtre Serrano α=0.2). 5 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°
25,8°C
Annual rain
1 547mm
Moisture idx (CMI)
-0,06
Runoff
378mm/an
PET
1 649mm
AET
1 220mm
Mean slope
1,8°
Water table
64cm
Forest
15%
Crops
17%
Urban
4%
Protected
38%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)