HydroBASINS lev08 watershed · #6080781640
Bassin de Rio Catas Altas
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 6 administrative regions : Apiaí, Barra do Chapéu, Bom Sucesso de Itararé, Itapirapuã Paulista, Ribeira +1
Sub-basin area
740,9km²
Upstream area
740,9km²
Discharge
8,19m³/s
Mean elev.
768m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
6 dept-equivalent regions (GADM L2)
- Barra do ChapéuSão Paulo · Brazil384.6 km²52.0% of basin
- 141.6 km²19.1% of basin
- 134.8 km²18.2% of basin
- Itapirapuã PaulistaSão Paulo · Brazil75.3 km²10.2% of basin
- Bom Sucesso de ItararéSão Paulo · Brazil2.8 km²0.4% of basin
- Ribeirão BrancoSão Paulo · Brazil0.2 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
444 distinct species · 909 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Catas Altas : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 4 types (connectance 7.9%, filtre Serrano α=0.2). 10 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°
18,6°C
Annual rain
1 323mm
Moisture idx (CMI)
-0,05
Runoff
391mm/an
PET
1 392mm
AET
1 119mm
Mean slope
9,3°
Water table
382cm
Forest
33%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)