HydroBASINS lev08 watershed · #1080031050
Bassin · #1080031050
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 6 administrative regions : Ben Azzouz, Djendel Saadi Mohamed, El Marsa, Filfila, Hamadi Krouma +1
Sub-basin area
148,9km²
Upstream area
149km²
Discharge
1,11m³/s
Mean elev.
128m
Administrative coverage
6 dept-equivalent regions (GADM L2)
- 65.9 km²44.2% of basin
- Djendel Saadi MohamedSkikda · Algeria49.3 km²33.1% of basin
- Ben AzzouzSkikda · Algeria13.9 km²9.3% of basin
- 8.1 km²5.4% of basin
- Hamadi KroumaSkikda · Algeria0.0 km²0.0% of basin
- El MarsaSkikda · Algeria0.0 km²0.0% of basin
1 intersecting protected areas
Complexe de zones humides de la plaine de Guerbès-Sanhadja
IUCN Not ReportedWetland of International Importance (Ramsar Site)
45.36 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
160 distinct species · 319 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 · #1080031050 : 37 espèces reliées par 87 interactions GloBI sur 5 types (connectance 9.2%, filtre Serrano α=0.2). 7 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°
17,4°C
Annual rain
765mm
Moisture idx (CMI)
-0,30
Runoff
241mm/an
PET
1 100mm
AET
601mm
Mean slope
6,9°
Water table
440cm
Forest
77%
Crops
8%
Urban
18%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)