HydroBASINS lev08 watershed · #6080015940
Bassin de Arroio Pelotas
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 6 administrative regions : Arroio do Padre, Canguçu, Capão do Leão, Morro Redondo, Pelotas +1
Sub-basin area
1 965km²
Upstream area
56 212,2km²
Discharge
1 184,97m³/s
Mean elev.
93m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Arroio Moreira1382 km²
- Bassin de Rio Piratini235 km²
6 dept-equivalent regions (GADM L2)
- 892.3 km²45.4% of basin
- 600.4 km²30.6% of basin
- 196.0 km²10.0% of basin
- 137.4 km²7.0% of basin
- 112.3 km²5.7% of basin
- 25.0 km²1.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 643 distinct species · 72 183 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 Arroio Pelotas : 14 espèces reliées par 20 interactions GloBI sur 3 types (connectance 11.7%, 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°
17,8°C
Annual rain
1 389mm
Moisture idx (CMI)
0,09
Runoff
767mm/an
PET
1 265mm
AET
1 016mm
Mean slope
2,6°
Water table
124cm
Forest
19%
Crops
27%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)