HydroBASINS lev08 watershed · #1080231800
Bassin de Oued Amastane
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 Omar Driss, Illizi
Sub-basin area
2 564,1km²
Upstream area
2 564,3km²
Discharge
0m³/s
Mean elev.
664m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 2510.3 km²98.1% of basin
- Bordj Omar DrissIllizi · Algeria49.2 km²1.9% of basin
3 intersecting protected areas
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
1516.73 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
1355.23 km² overlap
Tassili n'Ajjer
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
1348.28 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 distinct species · 8 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°
24,1°C
Annual rain
20mm
Moisture idx (CMI)
-0,99
Runoff
1mm/an
PET
1 928mm
AET
13mm
Mean slope
4,2°
Water table
748cm
Forest
0%
Crops
0%
Urban
0%
Protected
53%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)