HydroBASINS lev08 watershed · #6080853440
Bassin de Rio Santa Maria
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 : Dom Pedrito, Lavras do Sul, Rosário do Sul, São Gabriel
Sub-basin area
1 096,5km²
Upstream area
6 105km²
Discharge
132,2m³/s
Mean elev.
126m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroio Jaguari933 km²
- Bassin de Rio Santa Maria12 km²
4 dept-equivalent regions (GADM L2)
- 697.5 km²63.7% of basin
- 353.7 km²32.3% of basin
- 44.1 km²4.0% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
229 distinct species · 2 536 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 Rio Santa Maria : 25 espèces reliées par 39 interactions GloBI sur 3 types (connectance 7.9%, filtre Serrano α=0.2). 7 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°
18,8°C
Annual rain
1 481mm
Moisture idx (CMI)
0,06
Runoff
734mm/an
PET
1 396mm
AET
1 127mm
Mean slope
1,3°
Water table
76cm
Forest
15%
Crops
14%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)