HydroBASINS lev08 watershed · #1080090340
Bassin de Oued Mellah
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 4 administrative regions : Chentouf, El Malah, Hammam Bouhadjar, Hassi El Ghella
Sub-basin area
50,1km²
Upstream area
435,3km²
Discharge
0,24m³/s
Mean elev.
121m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Oued Mellah233 km²
- Bassin de Oued Kellah152 km²
4 dept-equivalent regions (GADM L2)
- 35.2 km²70.3% of basin
- 9.6 km²19.1% of basin
- 3.5 km²6.9% of basin
- 1.9 km²3.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
15 distinct species · 16 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 Mellah : 5 espèces reliées par 3 interactions GloBI sur 1 type (connectance 30.0%, 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°
17,8°C
Annual rain
450mm
Moisture idx (CMI)
-0,57
Runoff
18mm/an
PET
1 041mm
AET
385mm
Mean slope
2,0°
Water table
222cm
Forest
0%
Crops
82%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)