Ruisseau
Porttijoki
Crosses 2 administrative regions : Kainuu, North Karelia
Total length
4km
Max discharge
0,4m³/s
Max Strahler
1
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- North KareliaEastern Finland · Finland4.3 kmin this dpt
- KainuuOulu · Finland0.9 kmin this dpt
3 intersecting protected areas
Metsälain erityisen tärkeät elinympäristöt Pohjois-Karjala
IUCN Not AssignedForest habitats of special importance according to the Forest Act (OECM)
Hiidenportin alueet
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Hiidenportin kansallispuisto
IUCN IINational Park
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
700 distinct species · 2 866 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Porttijoki : 17 espèces reliées par 76 interactions GloBI sur 6 types (connectance 12.1%, filtre Serrano α=0.2). 19 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
4km
Max discharge
0,4m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.