HydroBASINS lev08 watershed · #1080093590
Bassin de Vallée de Ouled Abdi
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 12 administrative regions : Ain Zaatout, Arris, Bouzina, Branis, Chir +7
Sub-basin area
705,6km²
Upstream area
705,6km²
Discharge
0,25m³/s
Mean elev.
1 209m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
12 dept-equivalent regions (GADM L2)
- 165.6 km²23.5% of basin
- TighargharBatna · Algeria115.4 km²16.3% of basin
- Teniet El AbedBatna · Algeria104.0 km²14.7% of basin
- 86.6 km²12.3% of basin
- MenaaBatna · Algeria85.5 km²12.1% of basin
- 78.2 km²11.1% of basin
- 52.8 km²7.5% of basin
- Ain ZaatoutBiskra · Algeria5.7 km²0.8% of basin
4 moreFull L2 list
- Arris4.9 km² · 0.7%
- Larbaa3.6 km² · 0.5%
- Oued Taga2.6 km² · 0.4%
- Tighanimine0.7 km² · 0.1%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
129 distinct species · 201 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 Vallée de Ouled Abdi : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 5 types (connectance 8.7%, 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°
13,7°C
Annual rain
347mm
Moisture idx (CMI)
-0,72
Runoff
14mm/an
PET
1 270mm
AET
296mm
Mean slope
11,6°
Water table
806cm
Forest
0%
Crops
0%
Urban
6%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)