HydroBASINS lev08 watershed · #6080862170
Bassin de Arroio das Pedras
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 10 administrative regions : Amaral Ferrador, Barão do Triunfo, Camaquã, Canguçu, Chuvisca +5
Sub-basin area
5 068,8km²
Upstream area
14 514,9km²
Discharge
386,25m³/s
Mean elev.
229m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Camaquã1381 km²
- Bassin de Arroio do Bica865 km²
10 dept-equivalent regions (GADM L2)
- 1682.2 km²33.2% of basin
- 1451.3 km²28.7% of basin
- 959.0 km²18.9% of basin
- 506.0 km²10.0% of basin
- 135.7 km²2.7% of basin
- 126.7 km²2.5% of basin
- 123.5 km²2.4% of basin
- 67.2 km²1.3% of basin
2 moreFull L2 list
- Barão do Triunfo12.2 km² · 0.2%
- Piratini0.3 km² · 0.0%
1 intersecting protected areas
Park
15.73 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
832 distinct species · 2 518 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 das Pedras : 27 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 37 interactions GloBI sur 1 type (connectance 7.0%, filtre Serrano α=0.2). 6 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°
18,2°C
Annual rain
1 458mm
Moisture idx (CMI)
0,15
Runoff
828mm/an
PET
1 245mm
AET
1 042mm
Mean slope
4,8°
Water table
242cm
Forest
15%
Crops
16%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)