HydroBASINS lev08 watershed · #1080772040
Bassin de Sissili
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 across 2 countries : Nahouri, Sissala East, Sissili, Ziro
Sub-basin area
2 580,2km²
Upstream area
4 861,8km²
Discharge
12,68m³/s
Mean elev.
322m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #10807629101416 km²
- Bassin · #1080763130865 km²
4 dept-equivalent regions (GADM L2)
- 1564.7 km²60.9% of basin
- 818.7 km²31.9% of basin
- 101.1 km²3.9% of basin
- 85.5 km²3.3% of basin
3 intersecting protected areas
Complexe d’Aires Protégées Pô-Nazinga-Sissili
IUCN Not ReportedWetland of International Importance (Ramsar Site)
553.00 km² overlap
Sissili
IUCN Not ReportedClassified Forest
341.57 km² overlap
Gibier de Nazinga
IUCN Not ReportedClassified Forest and Ranch
211.44 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
508 distinct species · 3 344 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 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 Sissili : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 2 bulles famille, 18 interactions GloBI documentées sur 3 types (connectance 7.8%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
27,6°C
Annual rain
911mm
Moisture idx (CMI)
-0,53
Runoff
96mm/an
PET
1 945mm
AET
769mm
Mean slope
0,8°
Water table
167cm
Forest
26%
Crops
8%
Urban
1%
Protected
14%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)