Rivière· 23 segments

千歳川

Crosses 9 administrative regions : Chitose, Date, Ebetsu, Eniwa, Kitahiroshima +4

rivière

Total length

129km

Max discharge

33,8m³/s

Max Strahler

Segments matched

River geography9 admin regions · 0 communes

Parent watershed

hybas-40803435301205 km²

9 administrative regions crossed (GADM L2)

Chitose
Hokkaido · Japan
58.4 km
in this dpt
Eniwa
Hokkaido · Japan
11.3 km
in this dpt
Kitahiroshima
Hokkaido · Japan
7.4 km
in this dpt
Ebetsu
Hokkaido · Japan
3.8 km
in this dpt
Takasu
Hokkaido · Japan
1.6 km
in this dpt
Tomakomai
Hokkaido · Japan
1.0 km
in this dpt
Nanporo
Hokkaido · Japan
0.6 km
in this dpt
Date
Hokkaido · Japan
0.4 km
in this dpt
Naganuma
Hokkaido · Japan
0.0 km
in this dpt

11 intersecting protected areas

Shikotsu toya
IUCN II
National Park
Shikotsuko
IUCN IV
Prefectural Wildlife Protection Area
Shikotsu and Muine
IUCN V
Green Corridor
Izaridake Shuhen
IUCN Ib
Forest Ecosystem Reserve
Nopporo shinrin kouen
IUCN V
Prefectural Natural Park
Nopporo
IUCN IV
Prefectural Wildlife Protection Area
Shikotsu monbetsudake
IUCN IV
Prefectural Wildlife Protection Area
Nopporo Katsurato
IUCN IV
Rare Population Protected Forest
Chitose Mizunara Idenshigen
IUCN IV
Rare Population Protected Forest

2 more protected areassorted by area

Nishi no sato
IUCN V
Environmental Green Space Protection Area(Hokkaido)
Chitose Shiraneaoi
IUCN IV
Rare Population Protected Forest

1 page = 1 named river (aggregation of 23 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

47 distinct species · 55 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 8 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 千歳川 : 7 espèces reliées par 5 interactions GloBI sur 2 types (connectance 17.9%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.179

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)