HydroBASINS lev08 watershed · #1080088100
Bassin de Oued el Ham
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 5 administrative regions : Ain El Hadjel, Ain Fekka, Bouti Sayeh, Sidi Aissa, Sidi Ameur
Sub-basin area
536,2km²
Upstream area
3 299,1km²
Discharge
11,4m³/s
Mean elev.
654m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Oued Maamora685 km²
- Bassin de Oued el Ham239 km²
5 dept-equivalent regions (GADM L2)
- Ain El HadjelM'Sila · Algeria150.8 km²28.1% of basin
- Bouti SayehM'Sila · Algeria136.2 km²25.4% of basin
- Sidi AissaM'Sila · Algeria129.7 km²24.2% of basin
- 105.3 km²19.6% of basin
- Sidi AmeurM'Sila · Algeria14.4 km²2.7% of basin
1 intersecting protected areas
Atlas Saharien
IUCN Not ApplicableCultural Park
468.56 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
26 distinct species · 63 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 8 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 Ham : 8 espèces reliées par 6 interactions GloBI sur 1 type (connectance 21.4%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
15,7°C
Annual rain
289mm
Moisture idx (CMI)
-0,76
Runoff
70mm/an
PET
1 228mm
AET
248mm
Mean slope
1,4°
Water table
318cm
Forest
0%
Crops
0%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)