HydroBASINS lev08 watershed · #6080848920
Bassin de Rio Vacacaí
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 3 administrative regions : Formigueiro, Restinga Sêca, Santa Maria
Sub-basin area
501,5km²
Upstream area
7 004,6km²
Discharge
187,76m³/s
Mean elev.
61m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sanga Funda979 km²
- Bassin de Arroio Arenal882 km²
3 dept-equivalent regions (GADM L2)
- 340.8 km²68.0% of basin
- 144.4 km²28.8% of basin
- Santa Maria15.7 km²3.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
144 distinct species · 238 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Vacacaí : 28 espèces reliées par 32 interactions GloBI sur 3 types (connectance 5.4%, 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°
19,4°C
Annual rain
1 545mm
Moisture idx (CMI)
0,13
Runoff
924mm/an
PET
1 342mm
AET
1 161mm
Mean slope
1,5°
Water table
67cm
Forest
3%
Crops
20%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)