HydroBASINS lev08 watershed · #6080783720
Bassin de Rio Piraí
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 : Castro, Piraí do Sul
Sub-basin area
350,1km²
Upstream area
350,2km²
Discharge
6,01m³/s
Mean elev.
1 060m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 217.4 km²62.2% of basin
- 132.0 km²37.8% of basin
3 intersecting protected areas
Environmental Protection Area
52.81 km² overlap
Parque Estadual Do Caxambu
IUCN IIPark
10.60 km² overlap
Forest
1.50 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
374 distinct species · 1 071 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Piraí : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 6 types (connectance 7.0%, filtre Serrano α=0.2). 14 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°
16,7°C
Annual rain
1 507mm
Moisture idx (CMI)
0,10
Runoff
535mm/an
PET
1 357mm
AET
1 255mm
Mean slope
5,0°
Water table
241cm
Forest
20%
Crops
23%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)