HydroBASINS lev08 watershed · #2080083040
Bassin de وادي العصلاء
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 3 administrative regions : Al Jumum, Bahrah, Jiddah
Sub-basin area
482,6km²
Upstream area
482,7km²
Discharge
0,53m³/s
Mean elev.
127m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- 298.0 km²61.9% of basin
- 99.8 km²20.7% of basin
- 83.3 km²17.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
509 distinct species · 2 380 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 وادي العصلاء : 18 espèces reliées par 46 interactions GloBI sur 2 types (connectance 14.2%, filtre Serrano α=0.2). 8 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°
28,4°C
Annual rain
56mm
Moisture idx (CMI)
-0,97
Runoff
32mm/an
PET
1 977mm
AET
43mm
Mean slope
2,3°
Water table
443cm
Forest
0%
Crops
0%
Urban
27%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)