HydroBASINS lev08 watershed · #7080629520
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 : Coconino, Mohave
Sub-basin area
275,5km²
Upstream area
362 302,6km²
Discharge
536,75m³/s
Mean elev.
1 452m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Colorado River2211 km²
- Bassin de Indian Hollow600 km²
2 dept-equivalent regions (GADM L2)
- 152.0 km²55.1% of basin
- 123.6 km²44.9% of basin
3 intersecting protected areas
Grand Canyon
IUCN IINational Park
241.22 km² overlap
Grand Canyon National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
235.30 km² overlap
Recommended Wilderness
212.93 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
541 distinct species · 2 126 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 53 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 : 43 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 5 types (connectance 6.5%, filtre Serrano α=0.2). 10 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°
13,1°C
Annual rain
293mm
Moisture idx (CMI)
-0,79
Runoff
30mm/an
PET
1 400mm
AET
249mm
Mean slope
15,3°
Water table
833cm
Forest
6%
Crops
1%
Urban
0%
Protected
85%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)