HydroBASINS lev08 watershed · #1080030590
Bassin de Oued Meurad
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 32 administrative regions : Aghbal, Ain Tagourait, Ain Tork, Arib, Ben Allal +27
Sub-basin area
1 322,7km²
Upstream area
1 322,7km²
Discharge
0,94m³/s
Mean elev.
333m
Administrative coverage
32 dept-equivalent regions (GADM L2)
- MesselmounTipaza · Algeria193.7 km²14.6% of basin
- 191.6 km²14.5% of basin
- 130.2 km²9.8% of basin
- 121.0 km²9.1% of basin
- 85.5 km²6.5% of basin
- Sidi SemianeTipaza · Algeria73.0 km²5.5% of basin
- 61.6 km²4.7% of basin
- 52.6 km²4.0% of basin
24 moreFull L2 list
- Hadjout51.6 km² · 3.9%
- Sidi Amar47.1 km² · 3.6%
- Sidi Ghiles37.0 km² · 2.8%
- Damous35.9 km² · 2.7%
- Ain Tagourait31.3 km² · 2.4%
- Aghbal30.3 km² · 2.3%
- Nador30.2 km² · 2.3%
- Hadjret Ennous24.0 km² · 1.8%
- Bou Ismail21.4 km² · 1.6%
- Bourkika19.7 km² · 1.5%
- Fouka15.1 km² · 1.1%
- Hammam Righa12.4 km² · 0.9%
- Beni Mileuk5.6 km² · 0.4%
- Arib4.0 km² · 0.3%
- Douaouda3.8 km² · 0.3%
- Oued Djer2.8 km² · 0.2%
- Sidi Rached1.7 km² · 0.1%
- Chaiba1.2 km² · 0.1%
- Ain Tork1.0 km² · 0.1%
- El Amra0.8 km² · 0.1%
- Kolea0.6 km² · 0.0%
- Ben Allal0.6 km² · 0.0%
- Mekhatria0.5 km² · 0.0%
- Hattatba0.0 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
508 distinct species · 2 802 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Meurad : 32 espèces reliées par 94 interactions GloBI sur 5 types (connectance 10.9%, 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°
17,6°C
Annual rain
677mm
Moisture idx (CMI)
-0,36
Runoff
183mm/an
PET
1 053mm
AET
563mm
Mean slope
12,4°
Water table
587cm
Forest
62%
Crops
47%
Urban
14%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)