HydroBASINS lev08 watershed · #6080848190
Bassin de Rio Ibirapuitã
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 3 administrative regions : Alegrete, Quaraí, Rosário do Sul
Sub-basin area
1 046,2km²
Upstream area
3 276,1km²
Discharge
72,05m³/s
Mean elev.
136m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Ibirapuitã1299 km²
- Bassin de Rio Ibirapuitã Chico930 km²
3 dept-equivalent regions (GADM L2)
- 604.0 km²57.8% of basin
- 247.5 km²23.7% of basin
- 193.6 km²18.5% of basin
2 intersecting protected areas
Environmental Protection Area
894.85 km² overlap
Biological Reserve
3.52 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
275 distinct species · 816 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Ibirapuitã : 27 espèces reliées par 30 interactions GloBI sur 3 types (connectance 6.5%, 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°
18,7°C
Annual rain
1 550mm
Moisture idx (CMI)
0,08
Runoff
691mm/an
PET
1 427mm
AET
1 172mm
Mean slope
2,8°
Water table
156cm
Forest
5%
Crops
3%
Urban
0%
Protected
86%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)