Ontologia

Ruisseau· 4 segments

左股川

Crosses 1 administrative regions : Sapporo

ruisseau

Total length

79km

Max discharge

0,9m³/s

Max Strahler

2

Segments matched

4

River geography1 admin regions · 0 communes

Parent watershed

hybas-40800373401649 km²

1 administrative regions crossed (GADM L2)

  • Sapporo
    Hokkaido · Japan
    11.9 km
    in this dpt

5 intersecting protected areas

  • Teineyama minami

    IUCN V

    Natural Landscape Protection Area(Hokkaido)

  • Yoichidake

    IUCN V

    Natural Landscape Protection Area(Hokkaido)

  • Teine

    IUCN IV

    Prefectural Wildlife Protection Area

  • Bankei

    IUCN V

    Environmental Green Space Protection Area(Hokkaido)

  • Teine fukui

    IUCN V

    Environmental Green Space Protection Area(Hokkaido)

1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

87 distinct species · 157 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 23 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 左股川 : 20 espèces reliées par 26 interactions GloBI sur 4 types (connectance 10.3%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
26
Connectance
0.103
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

79km

Max discharge

0,9m³/s

Max Strahler

2

Segments matched

4

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