HydroBASINS lev08 watershed · #7080632150
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
647,5km²
Upstream area
285 991,7km²
Discharge
510,64m³/s
Mean elev.
1 689m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Shinumo Wash344 km²
- Bassin de South Canyon204 km²
1 dept-equivalent regions (GADM L2)
- 647.7 km²100.0% of basin
4 intersecting protected areas
Grand Canyon National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
293.34 km² overlap
Recommended Wilderness
280.08 km² overlap
Grand Canyon
IUCN IINational Park
228.91 km² overlap
Saddle Mountain
IUCN IbWilderness
34.13 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 371 distinct species · 11 584 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 49 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 105 interactions GloBI sur 6 types (connectance 8.9%, 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°
11,0°C
Annual rain
254mm
Moisture idx (CMI)
-0,80
Runoff
47mm/an
PET
1 288mm
AET
216mm
Mean slope
14,1°
Water table
849cm
Forest
23%
Crops
1%
Urban
0%
Protected
50%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)