HydroBASINS lev08 watershed · #1080085230
Bassin de Oued Chlef
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 15 administrative regions : Ain Bouihi, Belaas, Beni Mileuk, Beni Rached, El Abadia +10
Sub-basin area
719,5km²
Upstream area
27 364,8km²
Discharge
40,67m³/s
Mean elev.
395m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Oued Zeddine واد زدين894 km²
- Bassin de Oued Chlef227 km²
15 dept-equivalent regions (GADM L2)
- 127.9 km²17.8% of basin
- 104.5 km²14.5% of basin
- 101.1 km²14.0% of basin
- 84.1 km²11.7% of basin
- 79.9 km²11.1% of basin
- 66.3 km²9.2% of basin
- 46.3 km²6.4% of basin
- 40.8 km²5.7% of basin
7 moreFull L2 list
- Oued Fodda28.7 km² · 4.0%
- Beni Rached21.1 km² · 2.9%
- Rouina10.7 km² · 1.5%
- Belaas4.6 km² · 0.6%
- Messelmoun1.9 km² · 0.3%
- Mekhatria1.0 km² · 0.1%
- Beni Mileuk0.8 km² · 0.1%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
36 distinct species · 40 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 11 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 Chlef : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 8 interactions GloBI sur 2 types (connectance 14.5%, 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°
17,4°C
Annual rain
531mm
Moisture idx (CMI)
-0,49
Runoff
96mm/an
PET
1 054mm
AET
450mm
Mean slope
7,5°
Water table
503cm
Forest
14%
Crops
35%
Urban
10%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)