HydroBASINS lev08 watershed · #7080607990
Bassin de Colorado 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 : Kane, San Juan
Sub-basin area
105,7km²
Upstream area
207 533,3km²
Discharge
464,31m³/s
Mean elev.
1 305m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Escalante River1337 km²
- Bassin de Colorado River1104 km²
2 dept-equivalent regions (GADM L2)
- San JuanUtah · United States58.1 km²54.9% of basin
- KaneUtah · United States47.7 km²45.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
205 distinct species · 574 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 56 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 Colorado River : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 100 interactions GloBI sur 4 types (connectance 6.3%, filtre Serrano α=0.2). 21 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°
14,2°C
Annual rain
125mm
Moisture idx (CMI)
-0,91
Runoff
17mm/an
PET
1 367mm
AET
108mm
Mean slope
8,5°
Water table
1 026cm
Forest
1%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)