HydroBASINS lev08 watershed · #1080083980
Bassin de الرمال
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 20 administrative regions : Ain Semara, Ain Tine, Ben Badis, Beni Hamidane, Beni Oulbane +15
Sub-basin area
1 084km²
Upstream area
5 308,6km²
Discharge
18,33m³/s
Mean elev.
582m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Oued El Keleb1854 km²
- Bassin de الرمال275 km²
20 dept-equivalent regions (GADM L2)
- 152.4 km²14.1% of basin
- Beni HamidaneConstantine · Algeria135.9 km²12.5% of basin
- Grarem GougaMila · Algeria128.9 km²11.9% of basin
- Didouche MouradConstantine · Algeria114.1 km²10.5% of basin
- Boudjeriou MessaoudConstantine · Algeria109.4 km²10.1% of basin
- 91.8 km²8.5% of basin
- Zighoud YoucefConstantine · Algeria91.4 km²8.4% of basin
- Hamma BouzianeConstantine · Algeria72.8 km²6.7% of basin
12 moreFull L2 list
- Constantine69.9 km² · 6.4%
- Ain Tine35.9 km² · 3.3%
- Sidi Merouane18.5 km² · 1.7%
- Oued Athmenia17.7 km² · 1.6%
- Sidi Khelifa15.6 km² · 1.4%
- Ben Badis14.4 km² · 1.3%
- Hamala8.9 km² · 0.8%
- Beni Oulbane3.4 km² · 0.3%
- Ain Semara1.5 km² · 0.1%
- El Khroub1.5 km² · 0.1%
- Ghebala0.3 km² · 0.0%
- Zeghaia0.1 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 481 distinct species · 18 873 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 الرمال : 27 espèces reliées par 90 interactions GloBI sur 3 types (connectance 14.3%, 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°
15,5°C
Annual rain
755mm
Moisture idx (CMI)
-0,35
Runoff
191mm/an
PET
1 169mm
AET
614mm
Mean slope
8,3°
Water table
468cm
Forest
7%
Crops
92%
Urban
14%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)