HydroBASINS lev08 watershed · #7080607410
Bassin de Ash Creek
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 : Iron, Washington
Sub-basin area
844,4km²
Upstream area
844,5km²
Discharge
2,89m³/s
Mean elev.
1 856m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- WashingtonUtah · United States648.7 km²76.8% of basin
- IronUtah · United States196.1 km²23.2% of basin
16 intersecting protected areas
Zion
IUCN IINational Park
115.29 km² overlap
Zion
IUCN IbWilderness Area
111.24 km² overlap
Pine Valley Mountain
IUCN IbWilderness
75.35 km² overlap
Black Ridge
IUCN IbWilderness Area
53.04 km² overlap
La Verkin Creek
IUCN VDesignated - Wild
19.03 km² overlap
Spring Creek Canyon
IUCN IbWilderness Study Area
11.70 km² overlap
Browse
IUCN IaResearch Natural Area
8.72 km² overlap
Middle Fork Taylor Creek
IUCN VDesignated - Wild
3.17 km² overlap
Bear Trap Canyon
IUCN VDesignated - Wild
3.09 km² overlap
7 more protected areassorted by overlap area
Red Butte
IUCN IbWilderness Area
2.26 km² overlap
Smith Creek
IUCN VDesignated - Wild
2.14 km² overlap
Willis Creek
IUCN VDesignated - Wild
2.00 km² overlap
Laverkin Creek
IUCN IbWilderness Area
1.83 km² overlap
Virgin River Confluence--Anderson
IUCN Not AssignedConservation Easement
0.37 km² overlap
Beartrap Canyon
IUCN IbWilderness Area
0.16 km² overlap
Taylor Creek
IUCN IbWilderness Area
0.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 918 distinct species · 78 954 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Ash Creek : 30 espèces reliées par 88 interactions GloBI sur 4 types (connectance 9.7%, filtre Serrano α=0.2). 13 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°
9,5°C
Annual rain
409mm
Moisture idx (CMI)
-0,65
Runoff
102mm/an
PET
1 209mm
AET
350mm
Mean slope
13,0°
Water table
709cm
Forest
71%
Crops
6%
Urban
0%
Protected
24%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)