HydroBASINS lev08 watershed · #6080855750
Bassin de Sanga dos Varejões
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 2 administrative regions : Rosário do Sul, Sant'Ana do Livramento
Sub-basin area
447,6km²
Upstream area
4 948km²
Discharge
106,1m³/s
Mean elev.
133m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Conceição1768 km²
- Bassin de Rio Ibicuí da Armada300 km²
2 dept-equivalent regions (GADM L2)
- 397.0 km²88.8% of basin
- 50.1 km²11.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
22 distinct species · 22 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 Sanga dos Varejões : 6 espèces reliées par 6 interactions GloBI sur 1 type (connectance 28.6%, filtre Serrano α=0.2). 1 bulle taxonomique (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 452mm
Moisture idx (CMI)
0,03
Runoff
712mm/an
PET
1 404mm
AET
1 120mm
Mean slope
1,5°
Water table
86cm
Forest
4%
Crops
13%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)