HydroBASINS lev08 watershed · #1080621540
Bassin · #1080621540
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 2 administrative regions across 2 countries : Ménaka, Ouallam
Sub-basin area
1 258,1km²
Upstream area
1 258,1km²
Discharge
0,57m³/s
Mean elev.
312m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 761.5 km²60.7% of basin
- OuallamTillabéry · Niger492.2 km²39.3% of basin
1 intersecting protected areas
Ansongo Giraffe Reserve
IUCN IVPartial Wildlife Reserve
760.86 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°
29,2°C
Annual rain
234mm
Moisture idx (CMI)
-0,89
Runoff
20mm/an
PET
2 122mm
AET
195mm
Mean slope
0,3°
Water table
295cm
Forest
0%
Crops
2%
Urban
0%
Protected
58%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)