HydroBASINS lev08 watershed · #6080021940
Bassin de Río San Juan
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 1 administrative regions : Magallanes
Sub-basin area
816,4km²
Upstream area
816,4km²
Discharge
9,04m³/s
Mean elev.
347m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 819.8 km²100.0% of basin
2 intersecting protected areas
Laguna Parrillar
IUCN Not ReportedNational Reserve
154.11 km² overlap
Canquén Colorado
IUCN Not ReportedNatural Monument
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
305 distinct species · 6 732 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 San Juan : 40 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 3 types (connectance 4.3%, filtre Serrano α=0.2). 7 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°
4,6°C
Annual rain
803mm
Moisture idx (CMI)
0,34
Runoff
510mm/an
PET
528mm
AET
468mm
Mean slope
8,3°
Water table
439cm
Forest
87%
Crops
0%
Urban
0%
Protected
19%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)