Ontologia

Rivière· 16 segments

Porvoonjoki

Crosses 4 administrative regions : Eastern Uusimaa, Päijänne Tavastia, Uusimaa

rivière

Total length

121km

Max discharge

15,6m³/s

Max Strahler

4

Segments matched

16

River geography4 admin regions · 0 communes

Parent watershed

hybas-2080223840387 km²

4 administrative regions crossed (GADM L2)

  • Eastern Uusimaa
    Southern Finland · Finland
    35.9 km
    in this dpt
  • Päijänne Tavastia
    Southern Finland · Finland
    20.8 km
    in this dpt
  • Päijänne Tavastia
    Western Finland · Finland
    15.4 km
    in this dpt
  • Uusimaa
    Southern Finland · Finland
    13.2 km
    in this dpt

26 intersecting protected areas

17 more protected areas

1 page = 1 named river (aggregation of 16 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

578 distinct species · 2 123 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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 Porvoonjoki : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 114 interactions GloBI sur 4 types (connectance 16.2%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
114
Connectance
0.162
Patrimoniales
1
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

121km

Max discharge

15,6m³/s

Max Strahler

4

Segments matched

16

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