HydroBASINS lev08 watershed · #1080582050
Bassin du Niger
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 : Gao
Sub-basin area
177,6km²
Upstream area
517 381,5km²
Discharge
871,39m³/s
Mean elev.
263m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin du Niger2027 km²
- Bassin de Wadi Ginjereber258 km²
1 dept-equivalent regions (GADM L2)
- GaoGao · Mali177.0 km²100.0% of basin
1 intersecting protected areas
Djidara
IUCN IVClassified Forest
1.34 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
196 distinct species · 453 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 du Niger : 17 espèces + 0 bulles famille, 11 interactions GloBI documentées sur 3 types (connectance 8.1%, 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°
29,9°C
Annual rain
201mm
Moisture idx (CMI)
-0,91
Runoff
65mm/an
PET
2 149mm
AET
166mm
Mean slope
0,5°
Water table
115cm
Forest
0%
Crops
0%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)