HydroBASINS lev08 watershed · #7080797390
Bassin de Arroyo El Saucillo
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 : Arteaga, García, Ramos Arizpe, Saltillo, Santa Catarina
Sub-basin area
1 703,2km²
Upstream area
1 703,5km²
Discharge
0,73m³/s
Mean elev.
1 748m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 597.3 km²35.1% of basin
- 566.2 km²33.3% of basin
- 509.0 km²29.9% of basin
- 25.3 km²1.5% of basin
- Santa Catarina2.0 km²0.1% of basin
6 intersecting protected areas
Natural Resources Protection Area
301.09 km² overlap
Serranía de Zapalinamé
IUCN Not ReportedEcological Conservation
171.99 km² overlap
Zona de Restauracion Zapaliname
IUCN Not ReportedRestoration Zone
15.72 km² overlap
Cumbres de Monterrey
IUCN IINational Park
1.90 km² overlap
Cumbres de Monterrey
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
1.90 km² overlap
Bosque Urbano
IUCN Not ReportedState Park
0.51 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 657 distinct species · 118 479 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Arroyo El Saucillo : 30 espèces reliées par 98 interactions GloBI sur 4 types (connectance 12.6%, 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°
17,4°C
Annual rain
354mm
Moisture idx (CMI)
-0,76
Runoff
15mm/an
PET
1 514mm
AET
299mm
Mean slope
10,0°
Water table
674cm
Forest
63%
Crops
8%
Urban
12%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)