HydroBASINS lev08 watershed · #7080006300
Bassin de Río Viejo
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 4 administrative regions : Compostela, San Pedro Lagunillas, Santa María del Oro, Xalisco
Sub-basin area
1 122,5km²
Upstream area
1 122,5km²
Discharge
20,42m³/s
Mean elev.
707m
Administrative coverage
4 dept-equivalent regions (GADM L2)
- 817.5 km²73.0% of basin
- 182.3 km²16.3% of basin
- 94.7 km²8.5% of basin
- 24.9 km²2.2% of basin
6 intersecting protected areas
Sierra de Vallejo-Río Ameca
IUCN VIBiosphere Reserve
115.54 km² overlap
Sierra de San Juan
IUCN Not ReportedBiosphere Reserve
46.42 km² overlap
Sierra de Vallejo-Río Ameca
IUCN IaBiosphere Reserve
12.47 km² overlap
Natural Resources Protection Area
11.38 km² overlap
Jalcote
IUCN VIVoluntary Conservation Area
0.27 km² overlap
Reserva Pajaritos
IUCN VIVoluntary Conservation Area
0.10 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 595 distinct species · 20 735 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 Río Viejo : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 3 types (connectance 9.0%, filtre Serrano α=0.2). 11 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°
22,7°C
Annual rain
1 251mm
Moisture idx (CMI)
-0,27
Runoff
565mm/an
PET
1 709mm
AET
894mm
Mean slope
10,2°
Water table
400cm
Forest
53%
Crops
36%
Urban
1%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)