HydroBASINS lev08 watershed · #2080950690
Bassin de وادي عرنة
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 1 administrative regions : Makkah Al Mukarramah
Sub-basin area
186,4km²
Upstream area
662km²
Discharge
0,15m³/s
Mean elev.
453m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de وادي البجيدي302 km²
- Bassin de وادي مدرجة174 km²
1 dept-equivalent regions (GADM L2)
- 185.9 km²100.0% of basin
1 intersecting protected areas
The Haram of Makkah
IUCN VInviolable Sanctuary
45.94 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
55 distinct species · 109 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 عرنة : 14 espèces reliées par 17 interactions GloBI sur 2 types (connectance 12.5%, filtre Serrano α=0.2). 3 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°
29,3°C
Annual rain
80mm
Moisture idx (CMI)
-0,96
Runoff
5mm/an
PET
1 994mm
AET
63mm
Mean slope
8,0°
Water table
542cm
Forest
0%
Crops
0%
Urban
21%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)