HydroBASINS lev08 watershed · #1080501020
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
363,1km²
Upstream area
3 482,9km²
Discharge
3,9m³/s
Mean elev.
760m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Assodé695 km²
- Bassin de Zilalet509 km²
2 intersecting protected areas
Aïr et Ténéré
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
2.49 km² overlap
Aïr and Ténéré Natural Reserves
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
2.49 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
37 distinct species · 47 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°
26,0°C
Annual rain
56mm
Moisture idx (CMI)
-0,97
Runoff
31mm/an
PET
2 055mm
AET
43mm
Mean slope
2,6°
Water table
607cm
Forest
0%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)