HydroBASINS lev08 watershed · #7080617240
Bassin de Pahranagat 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 2 administrative regions : Clark, Lincoln
Sub-basin area
414,1km²
Upstream area
9 121,3km²
Discharge
6,26m³/s
Mean elev.
979m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Pahranagat Wash1703 km²
- Bassin de Pahranagat Wash681 km²
2 dept-equivalent regions (GADM L2)
- Lincoln293.5 km²70.9% of basin
- Clark120.7 km²29.1% of basin
3 intersecting protected areas
National Wildlife Refuge
169.36 km² overlap
National Wildlife Refuge
165.04 km² overlap
Meadow Valley Range
IUCN IbWilderness Area
42.27 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
143 distinct species · 320 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 Pahranagat Wash : 36 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 4 types (connectance 6.9%, 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°
15,9°C
Annual rain
162mm
Moisture idx (CMI)
-0,89
Runoff
17mm/an
PET
1 485mm
AET
138mm
Mean slope
6,4°
Water table
746cm
Forest
4%
Crops
0%
Urban
0%
Protected
61%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)