HydroBASINS lev08 watershed · #2080077070
Bassin de Wadi Hilam
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 6 administrative regions : Al Qabil, Al Wafi, Biddiya, Jalan Bani, Quriyat +1
Sub-basin area
4 190,8km²
Upstream area
4 190,8km²
Discharge
0,11m³/s
Mean elev.
430m
Administrative coverage
6 dept-equivalent regions (GADM L2)
- 1241.7 km²29.7% of basin
- 1039.2 km²24.9% of basin
- 778.3 km²18.6% of basin
- 677.7 km²16.2% of basin
- 209.7 km²5.0% of basin
- 162.8 km²3.9% of basin
5 intersecting protected areas
Jabal Khader Reserve
IUCN VINature Reserve
386.28 km² overlap
Turtles Reserves
IUCN IVNature Reserve
235.12 km² overlap
Jabal Qahwan Nature Reserve
IUCN IbNature Reserve
129.19 km² overlap
Ras AlShajar Nature Reserve
IUCN IVProtected area
93.75 km² overlap
Marine Mammale Reserve
IUCN VINature Reserve
12.63 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
815 distinct species · 10 070 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Wadi Hilam : 23 espèces reliées par 49 interactions GloBI sur 2 types (connectance 12.1%, filtre Serrano α=0.2). 6 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°
25,6°C
Annual rain
119mm
Moisture idx (CMI)
-0,92
Runoff
28mm/an
PET
1 568mm
AET
100mm
Mean slope
8,0°
Water table
550cm
Forest
0%
Crops
0%
Urban
1%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)