Ontologia

Rivière· 57 segments

Rio Piraí

Crosses 6 administrative regions : Angra dos Reis, Barra do Piraí, Mendes, Piraí, Rio Claro +1

rivière

Total length

278km

Max discharge

321m³/s

Max Strahler

5

Segments matched

57

River geography6 admin regions · 0 communes

Parent watershed

hybas-60807501401052 km²

6 administrative regions crossed (GADM L2)

  • Rio Claro
    Rio de Janeiro · Brazil
    97.6 km
    in this dpt
  • Piraí
    Rio de Janeiro · Brazil
    61.0 km
    in this dpt
  • Barra do Piraí
    Rio de Janeiro · Brazil
    19.5 km
    in this dpt
  • Mendes
    Rio de Janeiro · Brazil
    3.6 km
    in this dpt
  • Vassouras
    Rio de Janeiro · Brazil
    0.5 km
    in this dpt
  • Angra dos Reis
    Rio de Janeiro · Brazil
    0.0 km
    in this dpt

9 intersecting protected areas

1 page = 1 named river (aggregation of 57 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

43 distinct species · 130 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 11 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 Piraí : 10 espèces reliées par 10 interactions GloBI sur 2 types (connectance 18.2%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
10
Connectance
0.182
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

278km

Max discharge

321,0m³/s

Max Strahler

5

Segments matched

57

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