HydroBASINS lev08 watershed · #1080087800
Bassin · #1080087800
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 24 administrative regions : Ain Nouissy, Ain Sidi Cherif, Ain Tedles, Bouguirat, El Ghomri +19
Sub-basin area
808,5km²
Upstream area
808,5km²
Discharge
0,42m³/s
Mean elev.
147m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
24 dept-equivalent regions (GADM L2)
- 84.6 km²10.5% of basin
- 77.9 km²9.6% of basin
- Hassaine|Beni YahiMostaganem · Algeria76.7 km²9.5% of basin
- 60.3 km²7.5% of basin
- 57.3 km²7.1% of basin
- 53.9 km²6.7% of basin
- 43.7 km²5.4% of basin
- Sidi SaadaRelizane · Algeria32.5 km²4.0% of basin
16 moreFull L2 list
- Ain Tedles32.3 km² · 4.0%
- Sour32.0 km² · 4.0%
- Ain Nouissy31.8 km² · 3.9%
- Sedjerara29.5 km² · 3.6%
- Touahria29.4 km² · 3.6%
- Ain Sidi Cherif26.6 km² · 3.3%
- Fornaka26.1 km² · 3.2%
- Hassi Mameche21.2 km² · 2.6%
- Yellel21.2 km² · 2.6%
- Safsaf18.7 km² · 2.3%
- Stidia15.2 km² · 1.9%
- Kalaa13.5 km² · 1.7%
- Oued El Kheir13.0 km² · 1.6%
- Sayada7.8 km² · 1.0%
- Kheiredine2.1 km² · 0.3%
- Sidi Abdelmoumene1.2 km² · 0.1%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
77 distinct species · 2 437 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 · #1080087800 : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 4 types (connectance 9.4%, filtre Serrano α=0.2). 5 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°
17,8°C
Annual rain
368mm
Moisture idx (CMI)
-0,63
Runoff
16mm/an
PET
995mm
AET
318mm
Mean slope
2,2°
Water table
377cm
Forest
0%
Crops
74%
Urban
10%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)