HydroBASINS lev08 watershed · #2080985070
Bassin · #2080985070
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 2 administrative regions across 2 countries : Shahan, Thumrait
Sub-basin area
2 347,3km²
Upstream area
7 858,2km²
Discharge
0m³/s
Mean elev.
505m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #20809897101208 km²
- Bassin · #2080989700119 km²
2 dept-equivalent regions (GADM L2)
- 1524.2 km²65.1% of basin
- 815.5 km²34.9% of basin
1 intersecting protected areas
Najd Nature Reserve
IUCN VINature Reserve
1250.75 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
93 distinct species · 387 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 · #2080985070 : 18 espèces reliées par 37 interactions GloBI sur 2 types (connectance 14.6%, filtre Serrano α=0.2). 5 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°
25,1°C
Annual rain
50mm
Moisture idx (CMI)
-0,97
Runoff
24mm/an
PET
1 810mm
AET
39mm
Mean slope
0,7°
Water table
188cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)