HydroBASINS lev08 watershed · #1080095320
Bassin de Oued Djedi
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 : Biskra, Bordj Ben Azzouz, Bouchakroune, Branis, El Ghrous +10
Sub-basin area
1 346,7km²
Upstream area
26 918,2km²
Discharge
31,13m³/s
Mean elev.
122m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de واد فلاق2454 km²
- Bassin de Oued Djedi1061 km²
15 dept-equivalent regions (GADM L2)
- 218.7 km²16.2% of basin
- 206.7 km²15.4% of basin
- 187.2 km²13.9% of basin
- 121.2 km²9.0% of basin
- 106.1 km²7.9% of basin
- 86.4 km²6.4% of basin
- 78.9 km²5.9% of basin
- 75.7 km²5.6% of basin
7 moreFull L2 list
- Tolga71.1 km² · 5.3%
- Biskra67.3 km² · 5.0%
- Bouchakroune56.9 km² · 4.2%
- Lichana39.5 km² · 2.9%
- Bordj Ben Azzouz23.2 km² · 1.7%
- El Ouitaya7.5 km² · 0.6%
- Branis0.1 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
357 distinct species · 757 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Djedi : 35 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 3 types (connectance 5.1%, filtre Serrano α=0.2). 8 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°
21,5°C
Annual rain
132mm
Moisture idx (CMI)
-0,91
Runoff
35mm/an
PET
1 526mm
AET
111mm
Mean slope
1,4°
Water table
328cm
Forest
1%
Crops
9%
Urban
12%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)