HydroBASINS lev08 watershed · #1080615310
Bassin · #1080615310
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 across 2 countries : Ansongo, Ménaka, Tillabéry
Sub-basin area
1 644,2km²
Upstream area
9 712,5km²
Discharge
7,91m³/s
Mean elev.
299m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #10806010901872 km²
- Bassin · #10806010801319 km²
3 dept-equivalent regions (GADM L2)
- AnsongoGao · Mali1347.8 km²82.3% of basin
- 282.7 km²17.3% of basin
- 8.0 km²0.5% of basin
1 intersecting protected areas
Ansongo Giraffe Reserve
IUCN IVPartial Wildlife Reserve
1574.25 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
29,1°C
Annual rain
235mm
Moisture idx (CMI)
-0,89
Runoff
21mm/an
PET
2 103mm
AET
195mm
Mean slope
0,5°
Water table
233cm
Forest
0%
Crops
3%
Urban
0%
Protected
94%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)