HydroBASINS lev08 watershed · #1080084740
Bassin de Oued Sahel
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 9 administrative regions : Aghbalou, Ahnif, Akbil, Ath Mansour Taourirt, Chorfa +4
Sub-basin area
91km²
Upstream area
2 336,6km²
Discharge
10,14m³/s
Mean elev.
731m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Oued Sahel260 km²
- Bassin de Oued Sahel115 km²
9 dept-equivalent regions (GADM L2)
- 41.0 km²45.0% of basin
- M'ChedallahBouira · Algeria18.9 km²20.8% of basin
- Ath Mansour TaourirtBouira · Algeria15.8 km²17.3% of basin
- 12.1 km²13.3% of basin
- 2.6 km²2.9% of basin
- 0.3 km²0.3% of basin
- 0.2 km²0.2% of basin
- IboudrarenTizi Ouzou · Algeria0.1 km²0.1% of basin
1 moreFull L2 list
- Akbil0.1 km² · 0.1%
2 intersecting protected areas
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
91 distinct species · 118 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Sahel : 28 espèces reliées par 41 interactions GloBI sur 4 types (connectance 8.3%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
15,8°C
Annual rain
726mm
Moisture idx (CMI)
-0,37
Runoff
174mm/an
PET
1 155mm
AET
573mm
Mean slope
11,8°
Water table
513cm
Forest
47%
Crops
18%
Urban
23%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)