HydroBASINS lev08 watershed · #7080726490
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 5 administrative regions : Coke, Mitchell, Nolan, Runnels, Sterling
Sub-basin area
2 134,4km²
Upstream area
37 770km²
Discharge
2,5m³/s
Mean elev.
645m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Big Silver Creek364 km²
- Bassin de Colorado River223 km²
5 dept-equivalent regions (GADM L2)
- 1654.0 km²77.5% of basin
- 222.5 km²10.4% of basin
- 128.4 km²6.0% of basin
- Mitchell85.6 km²4.0% of basin
- 42.3 km²2.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 098 distinct species · 20 281 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 : 28 espèces reliées par 72 interactions GloBI sur 3 types (connectance 10.2%, 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°
17,5°C
Annual rain
576mm
Moisture idx (CMI)
-0,62
Runoff
23mm/an
PET
1 518mm
AET
487mm
Mean slope
2,3°
Water table
425cm
Forest
2%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)