HydroBASINS lev08 watershed · #1080251650
Bassin de Oued Ouane Arab
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 : Illizi
Sub-basin area
160,7km²
Upstream area
3 379,5km²
Discharge
0,2m³/s
Mean elev.
576m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de وادي سوف ملين356 km²
- Bassin de Oued Illizi43 km²
3 intersecting protected areas
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
58.30 km² overlap
Tassili n'Ajjer
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
0.11 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
0.10 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
9 distinct species · 11 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°
25,4°C
Annual rain
17mm
Moisture idx (CMI)
-0,99
Runoff
1mm/an
PET
1 987mm
AET
11mm
Mean slope
1,6°
Water table
353cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)