HydroBASINS lev08 watershed · #1080031850
Bassin · #1080031850
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 8 administrative regions : Belkhir, Guetar, Hamma, Mazzouna, Menzel Habib +3
Sub-basin area
2 112,6km²
Upstream area
2 112,6km²
Discharge
1,86m³/s
Mean elev.
164m
Administrative coverage
8 dept-equivalent regions (GADM L2)
- 943.0 km²44.6% of basin
- 387.6 km²18.3% of basin
- 274.6 km²13.0% of basin
- 253.6 km²12.0% of basin
- 189.0 km²8.9% of basin
- 36.5 km²1.7% of basin
- 21.9 km²1.0% of basin
- 5.9 km²0.3% of basin
4 intersecting protected areas
Gareat Sidi Mansour
IUCN Not ReportedWetland Zone of National Importance
20.55 km² overlap
Gareat Sidi Mansour
IUCN Not ReportedWetland of International Importance (Ramsar Site)
20.55 km² overlap
Complexe des zones humides des Chott El Guetayate et Sebkhet Dhreia et oued Akarit Rekhama et Melah
IUCN Not ReportedWetland of International Importance (Ramsar Site)
1.03 km² overlap
Complexe des zones humides des Chott El Guetayate et Sebkhet Dhreia et oued Akarit Rekhama et Melah
IUCN Not ReportedWetland Zone of National Importance
1.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
348 distinct species · 1 247 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 · #1080031850 : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 6 types (connectance 4.4%, 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°
19,2°C
Annual rain
155mm
Moisture idx (CMI)
-0,89
Runoff
70mm/an
PET
1 431mm
AET
132mm
Mean slope
2,3°
Water table
650cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)