HydroBASINS lev08 watershed · #6080638930
Bassin de Río 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 : Obispo Santistéban, Sara
Sub-basin area
396,9km²
Upstream area
10 114km²
Discharge
105,93m³/s
Mean elev.
212m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Palometillas1122 km²
- Bassin de Río Piraí8 km²
2 dept-equivalent regions (GADM L2)
- 309.2 km²78.2% of basin
- 86.3 km²21.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
45 distinct species · 90 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 14 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 Río Piraí : 14 espèces reliées par 9 interactions GloBI sur 2 types (connectance 9.9%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
24,9°C
Annual rain
1 697mm
Moisture idx (CMI)
0,01
Runoff
564mm/an
PET
1 677mm
AET
1 342mm
Mean slope
0,4°
Water table
16cm
Forest
52%
Crops
6%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)