HydroBASINS lev08 watershed · #1080051710
Bassin · #1080051710
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 15 administrative regions : Bekalta, Beni Hassen, Boumerdès, El Jem, Hencha +10
Sub-basin area
900,2km²
Upstream area
900,2km²
Discharge
0,77m³/s
Mean elev.
47m
Administrative coverage
15 dept-equivalent regions (GADM L2)
- 169.9 km²18.9% of basin
- 160.0 km²17.8% of basin
- 151.9 km²16.9% of basin
- Ksour EssefMahdia · Tunisia105.8 km²11.8% of basin
- Sidi AlouaneMahdia · Tunisia83.6 km²9.3% of basin
- 70.0 km²7.8% of basin
- Beni HassenMonastir · Tunisia49.9 km²5.5% of basin
- Sebkhet El MoknineMonastir · Tunisia47.8 km²5.3% of basin
7 moreFull L2 list
- Bekalta21.0 km² · 2.3%
- Ksibet El Mediouni16.9 km² · 1.9%
- Ksar Hellal11.9 km² · 1.3%
- Teboulba7.5 km² · 0.8%
- Jammel2.6 km² · 0.3%
- Souassi1.1 km² · 0.1%
- Hencha0.4 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
242 distinct species · 717 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 · #1080051710 : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 4 types (connectance 6.8%, filtre Serrano α=0.2). 9 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°
18,6°C
Annual rain
289mm
Moisture idx (CMI)
-0,75
Runoff
45mm/an
PET
1 152mm
AET
250mm
Mean slope
0,8°
Water table
259cm
Forest
0%
Crops
7%
Urban
9%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)