Ontologia

Ruisseau· 9 segments

中の沢川

Crosses 4 administrative regions : Ashibetsu, Kitahiroshima, Kuriyama, Sapporo

ruisseau

Total length

203km

Max discharge

2m³/s

Max Strahler

2

Segments matched

9

River geography4 admin regions · 0 communes

Parent watershed

hybas-40803432601167 km²

4 administrative regions crossed (GADM L2)

  • Ashibetsu
    Hokkaido · Japan
    13.5 km
    in this dpt
  • Kitahiroshima
    Hokkaido · Japan
    3.4 km
    in this dpt
  • Sapporo
    Hokkaido · Japan
    3.1 km
    in this dpt
  • Kuriyama
    Hokkaido · Japan
    2.8 km
    in this dpt

7 intersecting protected areas

  • Furano ashibetsu

    IUCN V

    Prefectural Natural Park

  • Asahi

    IUCN IV

    Prefectural Wildlife Protection Area

  • Ashibetsu

    IUCN IV

    Prefectural Wildlife Protection Area

  • Hattaribetsu

    IUCN V

    Special green space conservation districts

  • Kashiwagaoka

    IUCN V

    Special green space conservation districts

  • Kashiwagaoka

    IUCN V

    Environmental Green Space Protection Area(Hokkaido)

  • Nakanosawa

    IUCN V

    Special green space conservation districts

1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

34 distinct species · 135 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 9 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

Indicateurs du tissu écologique

Tissu écologique de 中の沢川 : 8 espèces reliées par 5 interactions GloBI sur 3 types (connectance 13.9%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
9
Interactions affichées
5
Connectance
0.139
Patrimoniales
0
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)

Total length

203km

Max discharge

2,0m³/s

Max Strahler

2

Segments matched

9

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.