Ontologia

Ruisseau· 8 segments

碁石川

Crosses 2 administrative regions : Kawasaki, Sendai

ruisseau

Total length

24km

Max discharge

9,6m³/s

Max Strahler

3

Segments matched

8

River geography2 admin regions · 0 communes

Parent watershed

hybas-40800442101353 km²

2 administrative regions crossed (GADM L2)

  • Kawasaki
    Miyagi · Japan
    27.2 km
    in this dpt
  • Sendai
    Miyagi · Japan
    6.5 km
    in this dpt

7 intersecting protected areas

  • Zao

    IUCN V

    Quasi National Park

  • Zao renpo

    IUCN IV

    Prefectural Wildlife Protection Area

  • Kamafusa

    IUCN IV

    Prefectural Wildlife Protection Area

  • Banzan-saikachinuma

    IUCN V

    Green Space Environment Conservation Area(Miyagi)

  • Kamafusa ko

    IUCN V

    Prefectural Nature Conservation Area

  • Shikame

    IUCN IV

    Prefectural Wildlife Protection Area

  • Kadonoyama

    IUCN IV

    Prefectural Wildlife Protection Area

1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

75 distinct species · 201 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 20 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 碁石川 : 16 espèces reliées par 20 interactions GloBI sur 4 types (connectance 9.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
20
Connectance
0.095
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

24km

Max discharge

9,6m³/s

Max Strahler

3

Segments matched

8

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