HydroBASINS lev08 watershed · #6080890880
Bassin de Estero Coyanco
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 2 administrative regions : Cachapoal, Cordillera
Sub-basin area
529,4km²
Upstream area
3 177,1km²
Discharge
55,74m³/s
Mean elev.
2 173m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Yeso627 km²
- Bassin de Río Maipo3 km²
2 dept-equivalent regions (GADM L2)
- 528.6 km²99.9% of basin
- 0.6 km²0.1% of basin
5 intersecting protected areas
Predios San Francisco de Lagunilla y Quillayal
IUCN Not ReportedNational Reserve
138.74 km² overlap
Predio Cascada de las Ánimas
IUCN Not ReportedNature Sanctuary
27.18 km² overlap
Cruz de Piedra
IUCN Not ReportedNature Sanctuary
0.34 km² overlap
Río Clarillo
IUCN Not ReportedNational Park
0.16 km² overlap
Glaciares de Santiago
IUCN Not ReportedNational Park
0.12 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
875 distinct species · 21 429 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Estero Coyanco : 33 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 5 types (connectance 6.4%, 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°
7,9°C
Annual rain
638mm
Moisture idx (CMI)
-0,42
Runoff
486mm/an
PET
1 106mm
AET
520mm
Mean slope
21,9°
Water table
763cm
Forest
1%
Crops
2%
Urban
0%
Protected
31%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)