HydroBASINS lev08 watershed · #7080614980

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 2 administrative regions : Mohave, Washington

Pfafstetter: 77234250

Sub-basin area

1 126,9km²

Upstream area

11 142,9km²

Discharge

21,82m³/s

Mean elev.

1 211m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Virgin River823 km²

▲ Receives from 2 basins

Bassin de Santa Clara River1382 km²
Bassin de Virgin River31 km²

2 dept-equivalent regions (GADM L2)

Mohave
Arizona · United States
798.9 km²
70.9% of basin
Washington
Utah · United States
328.4 km²
29.1% of basin

8 intersecting protected areas

Paiute (South)
IUCN Ib
Wilderness Area
159.59 km² overlap
Beaver Dam (North)
IUCN Ib
Wilderness Area
49.35 km² overlap
Beaver Dam Wash
IUCN V
National Conservation Area
34.92 km² overlap
Beaver Dam (South)
IUCN Ib
Wilderness Area
24.66 km² overlap
Beaver Dam Mountains
IUCN Ib
Wilderness Area
14.83 km² overlap
Grand Canyon-Parashant
IUCN V
National Monument
8.14 km² overlap
Price City Hills
IUCN V
Private Conservation Land
1.27 km² overlap
Beaver Dam Wash
IUCN V
National Conservation Area
0.00 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

1 884 distinct species · 144 392 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 30 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Virgin River : 18 espèces reliées par 72 interactions GloBI sur 4 types (connectance 16.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.166

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

14,5°C

Annual rain

277mm

Moisture idx (CMI)

-0,80

Runoff

36mm/an

PET

1 421mm

AET

236mm

Mean slope

9,8°

Water table

791cm

Forest

20%

Crops

Urban

Protected

37%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)