HydroBASINS lev08 watershed · #1080088240
Bassin de Oued el Chilia
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 14 administrative regions : Ain Zitoun, Bouhmama, Chelia, Chemora, El Fedjoudj Boughrara Saoudi +9
Sub-basin area
1 010,1km²
Upstream area
1 010,1km²
Discharge
0m³/s
Mean elev.
1 018m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
14 dept-equivalent regions (GADM L2)
- Ouled FadhelBatna · Algeria184.9 km²18.3% of basin
- Ain ZitounOum el Bouaghi · Algeria181.5 km²18.0% of basin
- 162.2 km²16.1% of basin
- 154.0 km²15.2% of basin
- TaouzianatKhenchela · Algeria146.0 km²14.5% of basin
- 79.6 km²7.9% of basin
- 44.7 km²4.4% of basin
- 27.2 km²2.7% of basin
6 moreFull L2 list
- Kais13.7 km² · 1.4%
- Foum Toub10.1 km² · 1.0%
- Ichmoul5.1 km² · 0.5%
- Inoughissen1.1 km² · 0.1%
- Bouhmama0.2 km² · 0.0%
- El Fedjoudj Boughrara Saoudi0.0 km² · 0.0%
3 intersecting protected areas
Garaet El Taref
IUCN Not ReportedWetland of International Importance (Ramsar Site)
19.54 km² overlap
Garaet Guellif
IUCN Not ReportedWetland of International Importance (Ramsar Site)
17.74 km² overlap
Garaet Timerganine
IUCN Not ReportedWetland of International Importance (Ramsar Site)
13.42 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
95 distinct species · 170 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Chilia : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 54 interactions GloBI sur 5 types (connectance 12.4%, 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°
13,4°C
Annual rain
399mm
Moisture idx (CMI)
-0,67
Runoff
15mm/an
PET
1 236mm
AET
341mm
Mean slope
4,0°
Water table
336cm
Forest
8%
Crops
30%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)