Ontologia

Rivière· 6 segments

戸蔦別川

Crosses 5 administrative regions : Biratori, Memuro, Nakasatsunai, Niikappu, Obihiro

rivière

Total length

45km

Max discharge

13,4m³/s

Max Strahler

4

Segments matched

6

River geography5 admin regions · 0 communes

Parent watershed

hybas-4080350130613 km²

5 administrative regions crossed (GADM L2)

  • Obihiro
    Hokkaido · Japan
    36.4 km
    in this dpt
  • Biratori
    Hokkaido · Japan
    0.0 km
    in this dpt
  • Memuro
    Hokkaido · Japan
    0.0 km
    in this dpt
  • Nakasatsunai
    Hokkaido · Japan
    0.0 km
    in this dpt
  • Niikappu
    Hokkaido · Japan
    0.0 km
    in this dpt

3 intersecting protected areas

1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

71 distinct species · 105 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 15 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 戸蔦別川 : 14 espèces reliées par 14 interactions GloBI sur 2 types (connectance 13.3%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
15
Interactions affichées
14
Connectance
0.133
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

45km

Max discharge

13,4m³/s

Max Strahler

4

Segments matched

6

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