HydroBASINS lev08 watershed · #1080084800
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 8 administrative regions : Ain Semara, Constantine, El Khroub, Ibn Ziad, Oued Athmenia +3
Sub-basin area
274,7km²
Upstream area
2 370,6km²
Discharge
7,68m³/s
Mean elev.
759m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Oued bou Yacour وادي بوياقور1433 km²
- Bassin de Oued Seguin663 km²
8 dept-equivalent regions (GADM L2)
- Ain SemaraConstantine · Algeria146.5 km²53.3% of basin
- Oued SeguenMila · Algeria73.1 km²26.6% of basin
- ConstantineConstantine · Algeria23.0 km²8.4% of basin
- Oued AthmeniaMila · Algeria19.1 km²6.9% of basin
- 10.3 km²3.7% of basin
- 1.4 km²0.5% of basin
- Ouled RahmouneConstantine · Algeria1.0 km²0.4% of basin
- Ouled HamlaOum el Bouaghi · Algeria0.3 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 222 distinct species · 8 317 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 5 types (connectance 8.2%, filtre Serrano α=0.2). 11 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°
14,8°C
Annual rain
585mm
Moisture idx (CMI)
-0,51
Runoff
125mm/an
PET
1 203mm
AET
495mm
Mean slope
6,4°
Water table
430cm
Forest
8%
Crops
70%
Urban
16%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)