HydroBASINS lev08 watershed · #6080026830
Bassin de Estero Purema
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 : Concepción, Itata
Sub-basin area
122km²
Upstream area
122km²
Discharge
3,22m³/s
Mean elev.
192m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- ConcepciónBío-Bío · Chile69.4 km²56.9% of basin
- 45.8 km²37.5% of basin
1 intersecting protected areas
Humedal Desembocadura del Río Itata
IUCN Not ReportedNature Sanctuary
1.85 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
172 distinct species · 1 711 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Purema : 31 espèces reliées par 41 interactions GloBI sur 4 types (connectance 5.0%, 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°
12,5°C
Annual rain
1 101mm
Moisture idx (CMI)
0,08
Runoff
833mm/an
PET
1 013mm
AET
608mm
Mean slope
7,5°
Water table
352cm
Forest
75%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)