HydroBASINS lev08 watershed · #7080768740
Bassin de Guadalupe 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 6 administrative regions : Bastrop, Caldwell, Dewitt, Fayette, Gonzales +1
Sub-basin area
1 940km²
Upstream area
10 960,2km²
Discharge
77,04m³/s
Mean elev.
113m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Guadalupe River1188 km²
- Bassin de San Marcos River291 km²
6 dept-equivalent regions (GADM L2)
- 1099.7 km²56.8% of basin
- 328.2 km²16.9% of basin
- Caldwell203.4 km²10.5% of basin
- Fayette181.7 km²9.4% of basin
- 101.7 km²5.2% of basin
- 22.9 km²1.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 285 distinct species · 17 555 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Guadalupe River : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 4 types (connectance 11.1%, filtre Serrano α=0.2). 8 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°
20,2°C
Annual rain
906mm
Moisture idx (CMI)
-0,40
Runoff
287mm/an
PET
1 517mm
AET
767mm
Mean slope
1,0°
Water table
82cm
Forest
16%
Crops
27%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)