Ruisseau· 23 segments
Rio Arraial
Crosses 3 administrative regions : Guaratuba, Morretes, São José dos Pinhais
Total length
57km
Max discharge
11m³/s
Max Strahler
3
Segments matched
23
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- São José dos PinhaisParaná · Brazil44.5 kmin this dpt
- MorretesParaná · Brazil29.3 kmin this dpt
- GuaratubaParaná · Brazil11.1 kmin this dpt
2 intersecting protected areas
Environmental Protection Area
Parque Nacional Guaricana
IUCN IIPark
1 page = 1 named river (aggregation of 23 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
91 distinct species · 184 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Rio Arraial : 28 espèces reliées par 28 interactions GloBI sur 4 types (connectance 6.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
57km
Max discharge
11,0m³/s
Max Strahler
3
Segments matched
23
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.