HydroBASINS lev08 watershed · #6080885530
Bassin de 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 2 administrative regions : General San Martín, Unión
Sub-basin area
424,6km²
Upstream area
1 701,5km²
Discharge
3,5m³/s
Mean elev.
134m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de San José713 km²
- Bassin de San José564 km²
2 dept-equivalent regions (GADM L2)
- 414.0 km²97.6% of basin
- 10.4 km²2.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
44 distinct species · 95 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 14 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 San José : 12 espèces reliées par 14 interactions GloBI sur 3 types (connectance 15.4%, 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°
16,9°C
Annual rain
805mm
Moisture idx (CMI)
-0,44
Runoff
22mm/an
PET
1 428mm
AET
682mm
Mean slope
0,0°
Water table
16cm
Forest
0%
Crops
82%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)