HydroBASINS lev08 watershed · #1080094230
Bassin de Oued el Melah
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 10 administrative regions : Ain Chouhada, Benyacoub, Charef, Douis, El Beidha +5
Sub-basin area
1 086,7km²
Upstream area
1 086,7km²
Discharge
0,19m³/s
Mean elev.
1 063m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
10 dept-equivalent regions (GADM L2)
- El IdrissiaDjelfa · Algeria350.0 km²32.2% of basin
- 347.7 km²32.0% of basin
- 136.2 km²12.5% of basin
- 98.5 km²9.1% of basin
- 45.6 km²4.2% of basin
- Zmalet El Emir AbdelkaderTiaret · Algeria34.1 km²3.1% of basin
- 29.5 km²2.7% of basin
- 23.9 km²2.2% of basin
2 moreFull L2 list
- Ain Chouhada19.7 km² · 1.8%
- Benyacoub1.2 km² · 0.1%
1 intersecting protected areas
Atlas Saharien
IUCN Not ApplicableCultural Park
1086.56 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
21 distinct species · 26 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 6 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Oued el Melah : 6 espèces reliées par 4 interactions GloBI sur 2 types (connectance 26.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
14,5°C
Annual rain
284mm
Moisture idx (CMI)
-0,77
Runoff
17mm/an
PET
1 252mm
AET
243mm
Mean slope
1,5°
Water table
582cm
Forest
0%
Crops
0%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)