HydroBASINS lev08 watershed · #2080913950
Bassin de وادي الحاء
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 Muzahimiyah, Duruma, Riyadh
Sub-basin area
664,7km²
Upstream area
4 079,8km²
Discharge
0m³/s
Mean elev.
674m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de شعيب الذيبي488 km²
- Bassin de شعبان السقطة179 km²
3 dept-equivalent regions (GADM L2)
- 316.3 km²47.7% of basin
- 207.7 km²31.3% of basin
- 139.3 km²21.0% of basin
2 intersecting protected areas
Tuwaiq Reserve
IUCN Not ReportedProtected Area
68.15 km² overlap
Wadi Laban Headwaters
IUCN VIReserve
23.55 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
132 distinct species · 374 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 الحاء : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 4 types (connectance 8.3%, 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°
25,0°C
Annual rain
114mm
Moisture idx (CMI)
-0,94
Runoff
29mm/an
PET
1 946mm
AET
93mm
Mean slope
5,0°
Water table
581cm
Forest
0%
Crops
2%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)