HydroBASINS lev08 watershed · #1080501010
Bassin de Zilalet
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 : Arlit
Sub-basin area
786,4km²
Upstream area
786,4km²
Discharge
0,75m³/s
Mean elev.
849m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 intersecting protected areas
Gueltas et Oasis de l'Aïr
IUCN IbWetland of International Importance (Ramsar Site)
625.11 km² overlap
Aïr et Ténéré
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
558.07 km² overlap
Aïr and Ténéré Natural Reserves
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
558.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 distinct species · 27 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
25,5°C
Annual rain
52mm
Moisture idx (CMI)
-0,97
Runoff
30mm/an
PET
2 026mm
AET
40mm
Mean slope
4,9°
Water table
882cm
Forest
0%
Crops
0%
Urban
0%
Protected
73%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)