HydroBASINS lev08 watershed · #7080693840
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 3 administrative regions : Imperial, La Paz, Riverside
Sub-basin area
1 433,4km²
Upstream area
461 659,8km²
Discharge
516,89m³/s
Mean elev.
248m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Tyson Wash2071 km²
- Bassin de Colorado River723 km²
3 dept-equivalent regions (GADM L2)
- 1187.0 km²82.8% of basin
- 230.5 km²16.1% of basin
- 15.4 km²1.1% of basin
3 intersecting protected areas
Big Maria Mountains
IUCN IbWilderness Area
17.82 km² overlap
Palo Verde
IUCN VEcological Reserve
5.27 km² overlap
Wildlife Area
2.55 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 278 distinct species · 117 878 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 : 24 espèces reliées par 61 interactions GloBI sur 4 types (connectance 10.9%, 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°
22,0°C
Annual rain
108mm
Moisture idx (CMI)
-0,94
Runoff
10mm/an
PET
1 750mm
AET
89mm
Mean slope
3,8°
Water table
784cm
Forest
0%
Crops
20%
Urban
1%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)