HydroBASINS lev08 watershed · #1080102990
Bassin de واد الرتم
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 7 administrative regions : Besbes, Djamaa, El M'Ghair, M'Rara, Ras Miaad|Ouled Sassi +2
Sub-basin area
1 725,4km²
Upstream area
1 725,4km²
Discharge
0,16m³/s
Mean elev.
131m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
7 dept-equivalent regions (GADM L2)
- El M'GhairEl Oued · Algeria717.4 km²41.6% of basin
- Sidi KhelilEl Oued · Algeria479.6 km²27.8% of basin
- 400.2 km²23.2% of basin
- 116.3 km²6.7% of basin
- 11.0 km²0.6% of basin
- Ras Miaad|Ouled SassiBiskra · Algeria0.2 km²0.0% of basin
- BesbesBiskra · Algeria0.1 km²0.0% of basin
1 intersecting protected areas
Chott Merouane et Oued Khrouf
IUCN Not ReportedWetland of International Importance (Ramsar Site)
63.16 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
15 distinct species · 30 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 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 واد الرتم : 4 espèces reliées par 2 interactions GloBI sur 1 type (connectance 33.3%, 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°
21,3°C
Annual rain
94mm
Moisture idx (CMI)
-0,94
Runoff
9mm/an
PET
1 611mm
AET
78mm
Mean slope
0,4°
Water table
625cm
Forest
0%
Crops
3%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)