HydroBASINS lev08 watershed · #2080081600
Bassin de وادي جيزان
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 12 administrative regions across 2 countries : Abu Arish, Al Aridah, Al Aydabi, Al Harth, Damad +7
Sub-basin area
1 770,4km²
Upstream area
1 770,7km²
Discharge
0,27m³/s
Mean elev.
962m
Administrative coverage
12 dept-equivalent regions (GADM L2)
- 580.4 km²32.9% of basin
- 306.6 km²17.4% of basin
- 265.2 km²15.0% of basin
- 221.3 km²12.5% of basin
- 120.0 km²6.8% of basin
- 116.0 km²6.6% of basin
- 65.1 km²3.7% of basin
- 57.5 km²3.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
675 distinct species · 12 093 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 21 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 جيزان : 14 espèces reliées par 42 interactions GloBI sur 2 types (connectance 20.0%, filtre Serrano α=0.2). 7 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°
24,8°C
Annual rain
147mm
Moisture idx (CMI)
-0,91
Runoff
26mm/an
PET
1 729mm
AET
122mm
Mean slope
10,8°
Water table
621cm
Forest
1%
Crops
4%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)