Rivière· 27 segments
Kalajoki
Crosses 1 administrative regions : Northern Ostrobothnia
Total length
103km
Max discharge
36,2m³/s
Max Strahler
4
Segments matched
27
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- Northern OstrobothniaOulu · Finland115.1 kmin this dpt
6 intersecting protected areas
Metsälain erityisen tärkeät elinympäristöt Pohjois-Pohjanmaa
IUCN Not AssignedForest habitats of special importance according to the Forest Act (OECM)
Private Nature Reserve
Private Nature Reserve
Private Nature Reserve
Kuuhinko
IUCN IVPrivate Nature Reserve
Alakosken kuusikko
IUCN IVPrivate Nature Reserve
1 page = 1 named river (aggregation of 27 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
214 distinct species · 269 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Kalajoki : 18 espèces reliées par 19 interactions GloBI sur 3 types (connectance 6.9%, filtre Serrano α=0.2). 6 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
103km
Max discharge
36,2m³/s
Max Strahler
4
Segments matched
27
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.