HydroBASINS lev08 watershed · #6080845660
Bassin de Rio Ibicuí
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 : Alegrete, Cacequi, Rosário do Sul, São Vicente do Sul
Sub-basin area
725,7km²
Upstream area
22 331,1km²
Discharge
506,6m³/s
Mean elev.
120m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Ibicuí1190 km²
- Bassin de Rio Ibicuí7 km²
4 dept-equivalent regions (GADM L2)
- 332.9 km²45.9% of basin
- 252.5 km²34.8% of basin
- 139.0 km²19.2% of basin
- 0.5 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
147 distinct species · 295 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Rio Ibicuí : 30 espèces reliées par 39 interactions GloBI sur 3 types (connectance 5.3%, filtre Serrano α=0.2). 9 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°
18,9°C
Annual rain
1 641mm
Moisture idx (CMI)
0,14
Runoff
747mm/an
PET
1 418mm
AET
1 198mm
Mean slope
2,1°
Water table
126cm
Forest
12%
Crops
12%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)