HydroBASINS lev08 watershed · #7080569220
Bassin de Sevier 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 : Millard, Sevier
Sub-basin area
621,4km²
Upstream area
8 430km²
Discharge
5,53m³/s
Mean elev.
2 070m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de South Bend Canal255 km²
- Bassin de Sevier Valley Canal177 km²
2 dept-equivalent regions (GADM L2)
- SevierUtah · United States617.7 km²99.3% of basin
- MillardUtah · United States4.2 km²0.7% of basin
4 intersecting protected areas
State Wildlife Reserve/Management Area
1.24 km² overlap
Reserve Program
0.17 km² overlap
State Wildlife Reserve/Management Area
0.17 km² overlap
State Wildlife Reserve/Management Area
0.17 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
915 distinct species · 7 454 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 Sevier River : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 146 interactions GloBI sur 4 types (connectance 16.2%, 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°
6,7°C
Annual rain
324mm
Moisture idx (CMI)
-0,70
Runoff
59mm/an
PET
1 129mm
AET
280mm
Mean slope
9,3°
Water table
695cm
Forest
44%
Crops
8%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)