HydroBASINS lev08 watershed · #6080899650
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 4 administrative regions : Libertad, Los Cerrillos, NA, Rodríguez
Sub-basin area
751,8km²
Upstream area
3 577,8km²
Discharge
72,3m³/s
Mean elev.
30m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroyo Carreta Quemada466 km²
- Bassin de Río San José162 km²
4 dept-equivalent regions (GADM L2)
- 385.9 km²51.3% of basin
- 295.0 km²39.2% of basin
- 70.6 km²9.4% of basin
- Los CerrillosCanelones · Uruguay0.2 km²0.0% of basin
1 intersecting protected areas
Humedales del Santa Lucía
IUCN VIProtected Area of Managed Resources
80.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
335 distinct species · 1 206 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 : 37 espèces reliées par 57 interactions GloBI sur 5 types (connectance 6.0%, 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°
16,8°C
Annual rain
1 140mm
Moisture idx (CMI)
-0,10
Runoff
634mm/an
PET
1 269mm
AET
936mm
Mean slope
0,8°
Water table
51cm
Forest
36%
Crops
19%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)