HydroBASINS lev08 watershed · #7080619680
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 1 administrative regions : Coconino
Sub-basin area
398,4km²
Upstream area
283 292,8km²
Discharge
539,36m³/s
Mean elev.
1 467m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Colorado River658 km²
- Bassin de Paria River546 km²
1 dept-equivalent regions (GADM L2)
- 398.6 km²100.0% of basin
5 intersecting protected areas
Vermilion Cliffs
IUCN VNational Monument
126.01 km² overlap
Wilderness Area
98.96 km² overlap
Grand Canyon National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
13.39 km² overlap
Recommended Wilderness
12.82 km² overlap
Grand Canyon
IUCN IINational Park
6.87 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
890 distinct species · 21 678 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 Colorado River : 25 espèces reliées par 113 interactions GloBI sur 4 types (connectance 12.5%, 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°
13,0°C
Annual rain
171mm
Moisture idx (CMI)
-0,87
Runoff
39mm/an
PET
1 339mm
AET
146mm
Mean slope
8,9°
Water table
832cm
Forest
1%
Crops
1%
Urban
0%
Protected
39%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)