HydroBASINS lev08 watershed · #7080831120
Bassin de Rio Grande de Santiago
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 : El Salto, Juanacatlán, Tlajomulco de Zúñiga, Tonalá, Zapotlanejo
Sub-basin area
123km²
Upstream area
47 534,9km²
Discharge
102,87m³/s
Mean elev.
1 565m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
5 dept-equivalent regions (GADM L2)
- 62.2 km²50.7% of basin
- 38.0 km²30.9% of basin
- 18.8 km²15.3% of basin
- 3.7 km²3.0% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
728 distinct species · 1 952 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 Rio Grande de Santiago : 27 espèces reliées par 106 interactions GloBI sur 4 types (connectance 11.7%, filtre Serrano α=0.2). 16 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°
19,7°C
Annual rain
874mm
Moisture idx (CMI)
-0,50
Runoff
154mm/an
PET
1 747mm
AET
739mm
Mean slope
3,7°
Water table
472cm
Forest
40%
Crops
31%
Urban
27%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)