HydroBASINS lev08 watershed · #7080048410
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 : Colorado, Matagorda, Wharton
Sub-basin area
2 301km²
Upstream area
106 729,9km²
Discharge
225,69m³/s
Mean elev.
41m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Cummins Creek725 km²
- Bassin de Colorado River707 km²
3 dept-equivalent regions (GADM L2)
- 830.2 km²36.1% of basin
- 828.8 km²36.1% of basin
- 638.5 km²27.8% of basin
4 intersecting protected areas
Mad Island
IUCN VWildlife Management Area
27.38 km² overlap
Marine Protected Area
27.17 km² overlap
Mad Island Macrosite Fee
IUCN VPrivate Conservation Land
3.36 km² overlap
Us-Tx-132-3
IUCN Not AssignedConservation Easement
1.61 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 335 distinct species · 217 167 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 77 interactions GloBI sur 3 types (connectance 11.0%, 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°
20,4°C
Annual rain
1 080mm
Moisture idx (CMI)
-0,26
Runoff
385mm/an
PET
1 459mm
AET
913mm
Mean slope
0,2°
Water table
19cm
Forest
14%
Crops
48%
Urban
1%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)