HydroBASINS lev08 watershed · #2080911680
Bassin de وادي حنيفة
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 : Ad Diriyah, Duruma, Riyadh
Sub-basin area
401,6km²
Upstream area
1 584,6km²
Discharge
0m³/s
Mean elev.
734m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de وادي بوضة759 km²
- Bassin de شعيب أم عشرة425 km²
3 dept-equivalent regions (GADM L2)
- 237.7 km²59.3% of basin
- 144.6 km²36.1% of basin
- 18.4 km²4.6% of basin
2 intersecting protected areas
Tuwaiq Reserve
IUCN Not ReportedProtected Area
363.64 km² overlap
Wadi Laban Headwaters
IUCN VIReserve
0.21 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
249 distinct species · 1 642 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 حنيفة : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 5 types (connectance 9.5%, filtre Serrano α=0.2). 9 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°
24,6°C
Annual rain
125mm
Moisture idx (CMI)
-0,94
Runoff
44mm/an
PET
1 928mm
AET
102mm
Mean slope
3,8°
Water table
524cm
Forest
0%
Crops
37%
Urban
37%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)