HydroBASINS lev08 watershed · #1080083170
Bassin de Oued El Ghezzal
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 11 administrative regions : Ain Kechra, Beni Oulbane, Beni Zid, El Milia, Ghebala +6
Sub-basin area
474,6km²
Upstream area
474,6km²
Discharge
4,49m³/s
Mean elev.
384m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
11 dept-equivalent regions (GADM L2)
- 114.6 km²24.1% of basin
- 96.5 km²20.3% of basin
- 67.3 km²14.2% of basin
- Ouldja BoulbaloutSkikda · Algeria66.1 km²13.9% of basin
- Ain KechraSkikda · Algeria62.3 km²13.1% of basin
- 41.3 km²8.7% of basin
- Beni OulbaneSkikda · Algeria25.1 km²5.3% of basin
- 0.5 km²0.1% of basin
3 moreFull L2 list
- Oued Zhour0.5 km² · 0.1%
- Grarem Gouga0.5 km² · 0.1%
- Beni Zid0.1 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
73 distinct species · 113 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Ghezzal : 36 espèces reliées par 37 interactions GloBI sur 4 types (connectance 5.0%, filtre Serrano α=0.2). 3 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°
16,4°C
Annual rain
1 023mm
Moisture idx (CMI)
-0,07
Runoff
297mm/an
PET
1 103mm
AET
665mm
Mean slope
11,8°
Water table
596cm
Forest
89%
Crops
21%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)