HydroBASINS lev08 watershed · #1080031800
Bassin de وادي اللبن
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 4 administrative regions : Bir Ali Ben Khélifa, El Ghraiba, Mazzouna, Skhira
Sub-basin area
818,9km²
Upstream area
4 113,8km²
Discharge
2,66m³/s
Mean elev.
84m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 3 basins
- Bassin de Oued Haddej1773 km²
- Bassin de وادي اللبن671 km²
- Bassin de وادي اللبن21 km²
4 dept-equivalent regions (GADM L2)
- 347.0 km²42.4% of basin
- 250.7 km²30.6% of basin
- 132.9 km²16.2% of basin
- 88.2 km²10.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
65 distinct species · 217 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 وادي اللبن : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 7.4%, 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°
18,5°C
Annual rain
170mm
Moisture idx (CMI)
-0,87
Runoff
67mm/an
PET
1 313mm
AET
147mm
Mean slope
0,7°
Water table
290cm
Forest
0%
Crops
0%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)