HydroBASINS lev08 watershed · #6080831930
Bassin de Rio Piratini
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 : Bossoroca, Entre-Ijuís, Eugênio de Castro, São Miguel das Missões
Sub-basin area
548,1km²
Upstream area
1 419,6km²
Discharge
38,29m³/s
Mean elev.
256m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Lajeado do Espinilho604 km²
- Bassin de Arroio Xuni268 km²
4 dept-equivalent regions (GADM L2)
- 490.4 km²89.6% of basin
- 56.8 km²10.4% of basin
- 0.2 km²0.0% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
98 distinct species · 179 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Piratini : 27 espèces reliées par 20 interactions GloBI sur 4 types (connectance 5.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
20,0°C
Annual rain
1 846mm
Moisture idx (CMI)
0,20
Runoff
867mm/an
PET
1 484mm
AET
1 320mm
Mean slope
2,7°
Water table
160cm
Forest
9%
Crops
37%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)