Ontologia

Rivière· 96 segments

Rio Itajaí-Açu

Crosses 14 administrative regions : Apiúna, Ascurra, Blumenau, Gaspar, Ibirama +9

rivière

Total length

188km

Max discharge

409,3m³/s

Max Strahler

6

Segments matched

96

River geography14 admin regions · 0 communes

Parent watershed

hybas-6080808970937 km²

14 administrative regions crossed (GADM L2)

  • Apiúna
    Santa Catarina · Brazil
    33.3 km
    in this dpt
  • Rio do Sul
    Santa Catarina · Brazil
    31.7 km
    in this dpt
  • Gaspar
    Santa Catarina · Brazil
    26.5 km
    in this dpt
  • Blumenau
    Santa Catarina · Brazil
    25.0 km
    in this dpt
  • Lontras
    Santa Catarina · Brazil
    21.0 km
    in this dpt
  • Itajaí
    Santa Catarina · Brazil
    19.7 km
    in this dpt
  • Ilhota
    Santa Catarina · Brazil
    19.4 km
    in this dpt
  • Ibirama
    Santa Catarina · Brazil
    18.8 km
    in this dpt
  • Navegantes
    Santa Catarina · Brazil
    18.4 km
    in this dpt
  • Indaial
    Santa Catarina · Brazil
    17.7 km
    in this dpt
  • Ascurra
    Santa Catarina · Brazil
    16.3 km
    in this dpt
  • Rodeio
    Santa Catarina · Brazil
    11.4 km
    in this dpt
  • Penha
    Santa Catarina · Brazil
    1.3 km
    in this dpt
  • Laurentino
    Santa Catarina · Brazil
    0.0 km
    in this dpt

4 intersecting protected areas

1 page = 1 named river (aggregation of 96 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

121 distinct species · 282 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 13 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Rio Itajaí-Açu : 13 espèces reliées par 11 interactions GloBI sur 2 types (connectance 14.1%, filtre Serrano α=0.2).

Espèces affichées
13
Interactions affichées
11
Connectance
0.141
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

188km

Max discharge

409,3m³/s

Max Strahler

6

Segments matched

96

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.