Rivière· 29 segments

常呂川

Crosses 4 administrative regions : Kamishihoro, Kitami, Kunneppu, Oketo

rivière

Total length

121km

Max discharge

32,7m³/s

Max Strahler

Segments matched

River geography4 admin regions · 0 communes

Parent watershed

hybas-40800379301942 km²

4 administrative regions crossed (GADM L2)

Kitami
Hokkaido · Japan
51.9 km
in this dpt
Oketo
Hokkaido · Japan
39.3 km
in this dpt
Kunneppu
Hokkaido · Japan
15.2 km
in this dpt
Kamishihoro
Hokkaido · Japan
0.0 km
in this dpt

8 intersecting protected areas

Common fishery right area(Hokkaido)
IUCN VI
Common fishery right area
Daisetsuzan
IUCN II
National Park
Abashiri
IUCN VI
Coastline Marine Resource Development Area, designated sea area
Kanokozawa
IUCN IV
Prefectural Wildlife Protection Area
Wakamatsu
IUCN IV
Prefectural Wildlife Protection Area
Kyosei
IUCN IV
Prefectural Wildlife Protection Area
Tsunemoto Chosenkaramatsu Idenshigen
IUCN IV
Rare Population Protected Forest
Kunneppu jinja
IUCN V
Environmental Green Space Protection Area(Hokkaido)

1 page = 1 named river (aggregation of 29 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

42 distinct species · 138 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 6 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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de 常呂川 : 5 espèces reliées par 4 interactions GloBI sur 2 types (connectance 26.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.267

Patrimoniales

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)