Ontologia

Ruisseau· 22 segments

Pärjänjoki

Crosses 1 administrative regions : Northern Ostrobothnia

ruisseau

Total length

85km

Max discharge

6m³/s

Max Strahler

3

Segments matched

22

River geography1 admin regions · 0 communes

Parent watershed

hybas-20801566806749 km²

1 administrative regions crossed (GADM L2)

8 intersecting protected areas

1 page = 1 named river (aggregation of 22 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

417 distinct species · 1 628 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 28 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 Pärjänjoki : 17 espèces reliées par 66 interactions GloBI sur 6 types (connectance 13.3%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
66
Connectance
0.133
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

85km

Max discharge

6,0m³/s

Max Strahler

3

Segments matched

22

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