Rivière· 66 segments
San Antonio River
Crosses 7 administrative regions : Bexar, Calhoun, Goliad, Karnes, Refugio +2
Total length
489km
Max discharge
42,3m³/s
Max Strahler
5
Segments matched
66
River geography7 admin regions · 0 communes
7 administrative regions crossed (GADM L2)
- GoliadTexas · United States107.7 kmin this dpt
- KarnesTexas · United States82.1 kmin this dpt
- WilsonTexas · United States72.4 kmin this dpt
- BexarTexas · United States37.1 kmin this dpt
- VictoriaTexas · United States9.0 kmin this dpt
- RefugioTexas · United States8.5 kmin this dpt
- CalhounTexas · United States0.2 kmin this dpt
3 intersecting protected areas
Guadalupe Delta
IUCN VWildlife Management Area
Reserve Program
Reserve Program
1 page = 1 named river (aggregation of 66 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
69 distinct species · 166 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 San Antonio River : 41 espèces reliées par 61 interactions GloBI sur 4 types (connectance 6.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
489km
Max discharge
42,3m³/s
Max Strahler
5
Segments matched
66
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.