HydroBASINS lev08 watershed · #7080618620
Bassin de Virgin River
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 4 administrative regions : Clark, Lincoln, Mohave, Washington
Sub-basin area
823,1km²
Upstream area
13 487,2km²
Discharge
24,99m³/s
Mean elev.
850m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Beaver Dam Wash1521 km²
- Bassin de Virgin River1127 km²
4 dept-equivalent regions (GADM L2)
- 425.5 km²51.7% of basin
- Clark203.3 km²24.7% of basin
- Lincoln190.5 km²23.1% of basin
- WashingtonUtah · United States4.1 km²0.5% of basin
7 intersecting protected areas
Paiute (South)
IUCN IbWilderness Area
53.94 km² overlap
Gold Butte
IUCN VNational Monument
22.29 km² overlap
Grand Canyon-Parashant
IUCN VNational Monument
3.50 km² overlap
Virgin Mountain Instan
IUCN IbNon-suitable
0.39 km² overlap
Beaver Dam Wash
IUCN VNational Conservation Area
0.20 km² overlap
Grand Canyon-Parashant
IUCN VNational Monument
0.03 km² overlap
Beaver Dam Wash
IUCN VNational Conservation Area
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 309 distinct species · 30 920 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Virgin River : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 118 interactions GloBI sur 4 types (connectance 11.9%, filtre Serrano α=0.2). 15 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°
17,0°C
Annual rain
195mm
Moisture idx (CMI)
-0,87
Runoff
23mm/an
PET
1 521mm
AET
165mm
Mean slope
6,4°
Water table
837cm
Forest
8%
Crops
1%
Urban
2%
Protected
59%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)