HydroBASINS lev08 watershed · #7080585110
Bassin de Green 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 5 administrative regions : Emery, Garfield, Grand, San Juan, Wayne
Sub-basin area
2 724,6km²
Upstream area
115 603,3km²
Discharge
203,08m³/s
Mean elev.
1 550m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Green River2121 km²
- Bassin de Dugout Creek1271 km²
5 dept-equivalent regions (GADM L2)
- GrandUtah · United States1224.8 km²44.9% of basin
- WayneUtah · United States888.4 km²32.6% of basin
- San JuanUtah · United States344.9 km²12.6% of basin
- EmeryUtah · United States256.8 km²9.4% of basin
- GarfieldUtah · United States11.7 km²0.4% of basin
9 intersecting protected areas
Canyonlands
IUCN IINational Park
532.37 km² overlap
Labyrinth Canyon
IUCN IbWilderness Area
222.09 km² overlap
Horseshoe Canyon (South)
IUCN IbWilderness Study Area
157.68 km² overlap
Floy Canyon
IUCN IbWilderness Study Area
78.34 km² overlap
Coal Canyon
IUCN IbWilderness Study Area
16.95 km² overlap
Inholding
IUCN IbWilderness Study Area
14.11 km² overlap
Horseshoe Canyon (North)
IUCN IbWilderness Study Area
8.27 km² overlap
Arches
IUCN IINational Park
4.59 km² overlap
French Spring-Happy Canyon
IUCN IbWilderness Study Area
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 148 distinct species · 16 012 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Green River : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 117 interactions GloBI sur 4 types (connectance 10.8%, filtre Serrano α=0.2). 18 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°
11,1°C
Annual rain
224mm
Moisture idx (CMI)
-0,83
Runoff
20mm/an
PET
1 297mm
AET
193mm
Mean slope
7,9°
Water table
1 131cm
Forest
3%
Crops
1%
Urban
0%
Protected
20%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)