HydroBASINS lev08 watershed · #1080281730
Bassin de وادي إيمرهو
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 : Bordj El Haouasse, Illizi
Sub-basin area
54,4km²
Upstream area
1 571,8km²
Discharge
0m³/s
Mean elev.
1 194m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de وادي إيمرهو473 km²
- Bassin de Oued Efedil248 km²
2 dept-equivalent regions (GADM L2)
- Bordj El HaouasseIllizi · Algeria39.2 km²72.2% of basin
- 15.1 km²27.8% of basin
4 intersecting protected areas
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
54.26 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
54.26 km² overlap
Tassili n'Ajjer
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
54.26 km² overlap
Vallée d'Iherir
IUCN Not ReportedWetland of International Importance (Ramsar Site)
2.75 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
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
22,5°C
Annual rain
29mm
Moisture idx (CMI)
-0,98
Runoff
4mm/an
PET
1 795mm
AET
22mm
Mean slope
6,0°
Water table
1 113cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)