HydroBASINS lev08 watershed · #7080635030
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
2 396,3km²
Upstream area
372 416,1km²
Discharge
549,51m³/s
Mean elev.
1 637m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Cataract Creek1186 km²
- Bassin de Colorado River276 km²
2 dept-equivalent regions (GADM L2)
- 1251.4 km²52.2% of basin
- 1145.3 km²47.8% of basin
7 intersecting protected areas
Grand Canyon National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
613.62 km² overlap
Grand Canyon
IUCN IINational Park
607.68 km² overlap
Recommended Wilderness
540.31 km² overlap
Grand Canyon-Parashant
IUCN VNational Monument
522.01 km² overlap
Lake Mead
IUCN VNational Recreation Area
168.77 km² overlap
Mount Logan (South)
IUCN IbWilderness Area
59.11 km² overlap
Mount Trumbull
IUCN IbWilderness Area
25.08 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 459 distinct species · 12 159 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 : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 111 interactions GloBI sur 4 types (connectance 9.4%, filtre Serrano α=0.2). 14 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°
12,2°C
Annual rain
341mm
Moisture idx (CMI)
-0,74
Runoff
20mm/an
PET
1 332mm
AET
290mm
Mean slope
10,8°
Water table
787cm
Forest
40%
Crops
0%
Urban
0%
Protected
46%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)