HydroBASINS lev08 watershed · #7080632810
Bassin de Las Vegas Wash
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 : Clark
Sub-basin area
328,6km²
Upstream area
1 969,7km²
Discharge
0,33m³/s
Mean elev.
929m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Las Vegas Wash1312 km²
- Bassin de Gown North Channel329 km²
1 dept-equivalent regions (GADM L2)
- Clark328.6 km²100.0% of basin
3 intersecting protected areas
National Wildlife Refuge
135.82 km² overlap
National Wildlife Refuge
135.41 km² overlap
Tule Springs Fossil Beds
IUCN VNational Monument
16.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
633 distinct species · 26 790 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Las Vegas Wash : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 108 interactions GloBI sur 4 types (connectance 12.0%, filtre Serrano α=0.2). 12 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°
16,8°C
Annual rain
142mm
Moisture idx (CMI)
-0,90
Runoff
12mm/an
PET
1 491mm
AET
120mm
Mean slope
5,2°
Water table
705cm
Forest
3%
Crops
0%
Urban
44%
Protected
41%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)