HydroBASINS lev08 watershed · #6080727900
Bassin de Ribeirão do Onça
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 10 administrative regions : Barrinha, Cravinhos, Dumont, Guatapará, Jaboticabal +5
Sub-basin area
1 010,2km²
Upstream area
1 010,2km²
Discharge
14,93m³/s
Mean elev.
610m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
10 dept-equivalent regions (GADM L2)
- Luís AntônioSão Paulo · Brazil216.5 km²21.5% of basin
- 147.0 km²14.6% of basin
- 144.8 km²14.4% of basin
- Ribeirão PretoSão Paulo · Brazil137.1 km²13.6% of basin
- 102.2 km²10.1% of basin
- 92.0 km²9.1% of basin
- 91.9 km²9.1% of basin
- SertãozinhoSão Paulo · Brazil68.1 km²6.8% of basin
2 moreFull L2 list
- Pradópolis7.8 km² · 0.8%
- Jaboticabal0.1 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
761 distinct species · 4 668 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Ribeirão do Onça : 21 espèces reliées par 47 interactions GloBI sur 2 types (connectance 11.6%, filtre Serrano α=0.2). 8 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°
21,4°C
Annual rain
1 428mm
Moisture idx (CMI)
-0,10
Runoff
466mm/an
PET
1 593mm
AET
1 155mm
Mean slope
2,9°
Water table
233cm
Forest
16%
Crops
59%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)