HydroBASINS lev08 watershed · #1080089600
Bassin de Oued Haddad
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 10 administrative regions : El Hachem, El Menaouer, Nesmoth, Oued El Abtal, Sehailia +5
Sub-basin area
505,8km²
Upstream area
505,8km²
Discharge
0,24m³/s
Mean elev.
561m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
10 dept-equivalent regions (GADM L2)
- 177.1 km²35.0% of basin
- 103.5 km²20.5% of basin
- Sidi AbdeldjebarMascara · Algeria75.6 km²14.9% of basin
- Oued El AbtalMascara · Algeria58.4 km²11.5% of basin
- 41.6 km²8.2% of basin
- 25.7 km²5.1% of basin
- 14.3 km²2.8% of basin
- 8.8 km²1.7% of basin
2 moreFull L2 list
- Sidi M'Hamed Benaouda0.5 km² · 0.1%
- El Menaouer0.2 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
21 distinct species · 119 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 Haddad : 4 espèces reliées par 4 interactions GloBI sur 2 types (connectance 40.0%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
16,7°C
Annual rain
435mm
Moisture idx (CMI)
-0,60
Runoff
15mm/an
PET
1 081mm
AET
372mm
Mean slope
4,1°
Water table
540cm
Forest
0%
Crops
23%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)