HydroBASINS lev08 watershed · #6080027290
Bassin de Río Maipo
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 : Melipilla, San Antonio
Sub-basin area
879km²
Upstream area
15 099,7km²
Discharge
155,79m³/s
Mean elev.
266m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Río Puangue1812 km²
- Bassin de Río Maipo569 km²
2 dept-equivalent regions (GADM L2)
- Melipilla569.5 km²64.8% of basin
- San AntonioValparaíso · Chile308.9 km²35.2% of basin
1 intersecting protected areas
Humedal Río Maipo
IUCN Not ReportedNature Sanctuary
0.52 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
567 distinct species · 8 864 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Maipo : 35 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 5 types (connectance 6.3%, filtre Serrano α=0.2). 13 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°
16,2°C
Annual rain
457mm
Moisture idx (CMI)
-0,65
Runoff
165mm/an
PET
1 303mm
AET
389mm
Mean slope
8,6°
Water table
494cm
Forest
0%
Crops
17%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)