Ontologia

Rivière· 24 segments

皆瀬川

Crosses 3 administrative regions : Ugo, Yokote, Yuzawa

rivière

Total length

63km

Max discharge

41,8m³/s

Max Strahler

5

Segments matched

24

River geography3 admin regions · 0 communes

Parent watershed

hybas-40804738502215 km²

3 administrative regions crossed (GADM L2)

  • Yuzawa
    Akita · Japan
    41.9 km
    in this dpt
  • Yokote
    Akita · Japan
    15.7 km
    in this dpt
  • Ugo
    Akita · Japan
    0.0 km
    in this dpt

10 intersecting protected areas

  • Kurikoma

    IUCN II

    Quasi National Park

  • Ouu Mountain Range

    IUCN V

    Green Corridor

  • Kurikoma

    IUCN IV

    Prefectural Wildlife Protection Area

  • Okunomiya

    IUCN IV

    Prefectural Wildlife Protection Area

  • Okozawa

    IUCN IV

    Prefectural Wildlife Protection Area

  • Yamaya

    IUCN IV

    Prefectural Wildlife Protection Area

  • Minase dam

    IUCN IV

    Prefectural Wildlife Protection Area

  • Shima

    IUCN IV

    Prefectural Wildlife Protection Area

  • Kainuma

    IUCN IV

    Prefectural Wildlife Protection Area

1 more protected areas

  • Chisato

    IUCN IV

    Prefectural Wildlife Protection Area

1 page = 1 named river (aggregation of 24 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

42 distinct species · 54 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 3 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 皆瀬川 : 2 espèces reliées par 3 interactions GloBI sur 2 types (connectance 100.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
3
Interactions affichées
3
Connectance
1.000
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

63km

Max discharge

41,8m³/s

Max Strahler

5

Segments matched

24

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