HydroBASINS lev08 watershed · #6080898880
Bassin de Arroyo de la Virgen
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 : NA, Rodríguez, Santa Lucía
Sub-basin area
662km²
Upstream area
8 390km²
Discharge
167,62m³/s
Mean elev.
55m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Santa Lucia Chico2591 km²
- Bassin de Arroyo del Tala2539 km²
4 dept-equivalent regions (GADM L2)
- 313.9 km²47.4% of basin
- 205.9 km²31.1% of basin
- Santa LucíaCanelones · Uruguay85.6 km²12.9% of basin
- 56.4 km²8.5% of basin
1 intersecting protected areas
Humedales del Santa Lucía
IUCN VIProtected Area of Managed Resources
26.77 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
400 distinct species · 9 698 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Arroyo de la Virgen : 36 espèces reliées par 47 interactions GloBI sur 4 types (connectance 5.7%, filtre Serrano α=0.2). 5 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
1 202mm
Moisture idx (CMI)
-0,06
Runoff
626mm/an
PET
1 283mm
AET
967mm
Mean slope
1,1°
Water table
72cm
Forest
22%
Crops
20%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)