Ontologia

Ruisseau

三号沢川

Crosses 2 administrative regions : Toyokoro, Urahoro

ruisseau

Total length

14km

Max discharge

2,2m³/s

Max Strahler

2

Segments matched

1

River geography2 admin regions · 0 communes

Parent watershed

hybas-4080038440587 km²

2 administrative regions crossed (GADM L2)

  • Urahoro
    Hokkaido · Japan
    10.5 km
    in this dpt
  • Toyokoro
    Hokkaido · Japan
    0.0 km
    in this dpt

1 intersecting protected areas

  • Inaho

    IUCN IV

    Prefectural Wildlife Protection Area

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

Species present

37 distinct species · 43 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 19 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 三号沢川 : 18 espèces reliées par 15 interactions GloBI sur 4 types (connectance 8.8%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
15
Connectance
0.088
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

14km

Max discharge

2,2m³/s

Max Strahler

2

Segments matched

1

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