HydroBASINS lev08 watershed · #7080824430
Bassin de Rio Santa María
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 : San Luis de la Paz, Santa María del Río, Tierra Nueva, Victoria, Zaragoza
Sub-basin area
1 672,5km²
Upstream area
5 440,2km²
Discharge
1,42m³/s
Mean elev.
1 868m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #7080823350717 km²
- Bassin de Rio Santa María170 km²
5 dept-equivalent regions (GADM L2)
- San Luis de la PazGuanajuato · México664.2 km²39.8% of basin
- Santa María del RíoSan Luis Potosí · México486.9 km²29.2% of basin
- Tierra NuevaSan Luis Potosí · México476.2 km²28.5% of basin
- 37.7 km²2.3% of basin
- ZaragozaSan Luis Potosí · México3.0 km²0.2% of basin
1 intersecting protected areas
Sierra Gorda de Guanajuato
IUCN IaBiosphere Reserve
320.86 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 564 distinct species · 8 377 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 59 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 Rio Santa María : 40 espèces reliées par 131 interactions GloBI sur 5 types (connectance 7.7%, filtre Serrano α=0.2). 19 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°
18,1°C
Annual rain
507mm
Moisture idx (CMI)
-0,70
Runoff
13mm/an
PET
1 702mm
AET
428mm
Mean slope
12,6°
Water table
884cm
Forest
66%
Crops
4%
Urban
0%
Protected
19%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)