HydroBASINS lev08 watershed · #7080822640
Bassin de El arenal
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 : Armadillo de los Infante, San Luis Potosí, Villa de Arriaga, Villa de Reyes, Zaragoza
Sub-basin area
513km²
Upstream area
513,2km²
Discharge
0,19m³/s
Mean elev.
2 039m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- Villa de ReyesSan Luis Potosí · México237.8 km²46.5% of basin
- ZaragozaSan Luis Potosí · México178.2 km²34.8% of basin
- San Luis PotosíSan Luis Potosí · México93.5 km²18.3% of basin
- Armadillo de los InfanteSan Luis Potosí · México1.4 km²0.3% of basin
- Villa de ArriagaSan Luis Potosí · México0.7 km²0.1% of basin
4 intersecting protected areas
Sierra de San Miguelito
IUCN VIFlora and Fauna Protection Area
120.11 km² overlap
Sierra de Álvarez
IUCN VIFlora and Fauna Protection Area
31.92 km² overlap
Gogorrón
IUCN IINational Park
1.29 km² overlap
Ejido San Juan de Guadalupe
IUCN Not ReportedCity Park
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
945 distinct species · 3 478 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 El arenal : 26 espèces reliées par 115 interactions GloBI sur 5 types (connectance 14.0%, filtre Serrano α=0.2). 15 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°
17,3°C
Annual rain
402mm
Moisture idx (CMI)
-0,76
Runoff
6mm/an
PET
1 654mm
AET
339mm
Mean slope
7,0°
Water table
623cm
Forest
35%
Crops
3%
Urban
2%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)