HydroBASINS lev08 watershed · #2080899630
Bassin de وادي الحمض
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 4 administrative regions : Al Is, Al Ula, Al Wajh, Umluj
Sub-basin area
1 822km²
Upstream area
102 052,1km²
Discharge
0m³/s
Mean elev.
393m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de وادي ذورة630 km²
- Bassin de وادي الحمض16 km²
4 dept-equivalent regions (GADM L2)
- UmlujTabuk · Saudi Arabia1258.6 km²69.2% of basin
- Al WajhTabuk · Saudi Arabia399.8 km²22.0% of basin
- Al IsAl Madinah · Saudi Arabia118.9 km²6.5% of basin
- Al UlaAl Madinah · Saudi Arabia41.2 km²2.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
37 distinct species · 99 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 14 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 الحمض : 13 espèces reliées par 14 interactions GloBI sur 1 type (connectance 15.4%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
23,7°C
Annual rain
51mm
Moisture idx (CMI)
-0,97
Runoff
10mm/an
PET
1 617mm
AET
41mm
Mean slope
10,0°
Water table
710cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)