HydroBASINS lev08 watershed · #1080031060
Bassin de Oued Lekbir
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 28 administrative regions : Ain Charchar, Azzaba, Bekkouche Lakhdar, Ben Azzouz, Beni Bechir +23
Sub-basin area
1 836,5km²
Upstream area
1 836,9km²
Discharge
8,35m³/s
Mean elev.
233m
Administrative coverage
28 dept-equivalent regions (GADM L2)
- 200.8 km²10.9% of basin
- 199.2 km²10.8% of basin
- Ben AzzouzSkikda · Algeria197.7 km²10.8% of basin
- Djendel Saadi MohamedSkikda · Algeria164.8 km²9.0% of basin
- 158.3 km²8.6% of basin
- Oued El AnebAnnaba · Algeria133.4 km²7.3% of basin
- 125.8 km²6.8% of basin
- Ain CharcharSkikda · Algeria111.9 km²6.1% of basin
20 moreFull L2 list
- Bekkouche Lakhdar102.9 km² · 5.6%
- Chetaibi90.8 km² · 4.9%
- Bouati Mahmoud87.4 km² · 4.8%
- El Marsa54.6 km² · 3.0%
- Seraidi35.2 km² · 1.9%
- Helliopolis31.8 km² · 1.7%
- Berrahal29.2 km² · 1.6%
- Nechemaya25.9 km² · 1.4%
- Bou Hamdane25.1 km² · 1.4%
- El Fedjoudj23.6 km² · 1.3%
- El Eulma16.0 km² · 0.9%
- Hammam Debagh11.2 km² · 0.6%
- Kalaat Bousbaa7.0 km² · 0.4%
- Ramdane Djamel2.3 km² · 0.1%
- Beni Bechir0.7 km² · 0.0%
- Ouled Hebbaba0.6 km² · 0.0%
- Filfila0.4 km² · 0.0%
- Zerdeza0.3 km² · 0.0%
- Hamadi Krouma0.2 km² · 0.0%
- Medjaz Ammar0.1 km² · 0.0%
1 intersecting protected areas
Complexe de zones humides de la plaine de Guerbès-Sanhadja
IUCN Not ReportedWetland of International Importance (Ramsar Site)
244.79 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
348 distinct species · 706 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Lekbir : 36 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 5 types (connectance 7.5%, filtre Serrano α=0.2). 10 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°
17,2°C
Annual rain
730mm
Moisture idx (CMI)
-0,38
Runoff
214mm/an
PET
1 182mm
AET
593mm
Mean slope
7,8°
Water table
423cm
Forest
75%
Crops
36%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)