HydroBASINS lev08 watershed · #6080886720
Bassin de Río Gualeguay
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 5 administrative regions : Gualeguay, Gualeguaychú, Islas del Ibicuy, Tala, Uruguay
Sub-basin area
3 023,6km²
Upstream area
19 683,8km²
Discharge
218,4m³/s
Mean elev.
32m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroyo Tala595 km²
- Bassin de Arroyo Cala355 km²
5 dept-equivalent regions (GADM L2)
- 1318.8 km²43.6% of basin
- 939.9 km²31.1% of basin
- 591.5 km²19.6% of basin
- 157.3 km²5.2% of basin
- 14.4 km²0.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
838 distinct species · 15 997 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Gualeguay : 26 espèces reliées par 33 interactions GloBI sur 3 types (connectance 7.6%, filtre Serrano α=0.2). 4 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°
17,8°C
Annual rain
1 051mm
Moisture idx (CMI)
-0,24
Runoff
327mm/an
PET
1 382mm
AET
891mm
Mean slope
0,4°
Water table
37cm
Forest
13%
Crops
32%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)