HydroBASINS lev08 watershed · #1080615850
Bassin · #1080615850
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 : Filingué, Ménaka, Ouallam
Sub-basin area
766,2km²
Upstream area
766,2km²
Discharge
0,09m³/s
Mean elev.
285m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 403.1 km²52.8% of basin
- OuallamTillabéry · Niger325.1 km²42.6% of basin
- 35.3 km²4.6% of basin
1 intersecting protected areas
Ansongo Giraffe Reserve
IUCN IVPartial Wildlife Reserve
402.25 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
17 distinct species · 23 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°
29,5°C
Annual rain
268mm
Moisture idx (CMI)
-0,87
Runoff
4mm/an
PET
2 142mm
AET
223mm
Mean slope
0,5°
Water table
182cm
Forest
0%
Crops
7%
Urban
0%
Protected
55%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)