HydroBASINS lev08 watershed · #1080208750
Bassin de Oued en Naga
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 1 administrative regions : Oum El Assel
Sub-basin area
3 995,8km²
Upstream area
3 995,8km²
Discharge
2,1m³/s
Mean elev.
522m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- Oum El AsselTindouf · Algeria3990.1 km²100.0% of basin
1 intersecting protected areas
Tindouf
IUCN Not ApplicableCultural Park
3990.12 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
13 distinct species · 65 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 Oued en Naga : 7 espèces reliées par 6 interactions GloBI sur 2 types (connectance 28.6%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
23,1°C
Annual rain
54mm
Moisture idx (CMI)
-0,97
Runoff
18mm/an
PET
1 943mm
AET
42mm
Mean slope
0,2°
Water table
600cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)