HydroBASINS lev08 watershed · #7080569390
Bassin de Dolores 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 : Grand, Mesa
Sub-basin area
813,5km²
Upstream area
12 016,7km²
Discharge
41,99m³/s
Mean elev.
1 937m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Dolores River1099 km²
- Bassin de West Creek - Unaweep Canyon460 km²
2 dept-equivalent regions (GADM L2)
- GrandUtah · United States580.2 km²71.3% of basin
- 233.9 km²28.7% of basin
4 intersecting protected areas
The Palisade
IUCN IbWilderness Study Area
41.66 km² overlap
Pinon Mesa - Glade Point SHA
IUCN Not AssignedConservation Easement
21.59 km² overlap
La Sal Mountains
IUCN VEasement
2.07 km² overlap
Proudfoot Bend Ranch
IUCN VConservation Easement
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 253 distinct species · 56 168 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Dolores River : 21 espèces reliées par 74 interactions GloBI sur 4 types (connectance 13.2%, 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°
8,9°C
Annual rain
356mm
Moisture idx (CMI)
-0,68
Runoff
73mm/an
PET
1 152mm
AET
304mm
Mean slope
11,0°
Water table
840cm
Forest
40%
Crops
2%
Urban
0%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)