Ruisseau· 5 segments
Ritisenoja
Crosses 1 administrative regions : Northern Ostrobothnia
Total length
31km
Max discharge
1,9m³/s
Max Strahler
2
Segments matched
5
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- Northern OstrobothniaOulu · Finland45.6 kmin this dpt
4 intersecting protected areas
Metsälain erityisen tärkeät elinympäristöt Pohjois-Pohjanmaa
IUCN Not AssignedForest habitats of special importance according to the Forest Act (OECM)
Metsätalouden ympäristötukikohteet Pohjois-Pohjanmaa
IUCN Not AssignedForestry environmental aid contracts (OECM)
State Nature Reserve
Luontomäki
IUCN IVPrivate Nature Reserve
1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
129 distinct species · 240 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 21 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 Ritisenoja : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 35 interactions GloBI sur 4 types (connectance 15.2%, 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
31km
Max discharge
1,9m³/s
Max Strahler
2
Segments matched
5
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.