HydroBASINS lev08 watershed · #6080029220
Bassin de Río San José
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 : Arica
Sub-basin area
57,3km²
Upstream area
3 279,2km²
Discharge
0,25m³/s
Mean elev.
239m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Quebrada de Acha1089 km²
- Bassin de Quebrada De Llosyas13 km²
1 dept-equivalent regions (GADM L2)
- Arica56.9 km²99.7% of basin
1 intersecting protected areas
La Puntilla – Playa Chinchorro
IUCN Not ReportedMarine Reserve
0.13 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
50 distinct species · 260 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 José : 22 espèces reliées par 27 interactions GloBI sur 1 type (connectance 9.8%, filtre Serrano α=0.2). 2 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°
18,1°C
Annual rain
2mm
Moisture idx (CMI)
-1,00
Runoff
3mm/an
PET
1 218mm
AET
7mm
Mean slope
4,4°
Water table
622cm
Forest
0%
Crops
0%
Urban
34%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)