HydroBASINS lev08 watershed · #6080022840
Bassin de Río Casas Viejas
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 across 2 countries : Güer Aike, Última Esperanza
Sub-basin area
1 152,1km²
Upstream area
1 152,4km²
Discharge
40,82m³/s
Mean elev.
157m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 1136.0 km²98.2% of basin
- 20.5 km²1.8% of basin
1 intersecting protected areas
Torres del Paine (RB)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
103.65 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
203 distinct species · 4 830 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Casas Viejas : 24 espèces reliées par 53 interactions GloBI sur 5 types (connectance 6.8%, 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°
6,0°C
Annual rain
451mm
Moisture idx (CMI)
-0,33
Runoff
1 118mm/an
PET
679mm
AET
394mm
Mean slope
2,0°
Water table
376cm
Forest
55%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)