Ontologia

Rivière· 9 segments

瀬田川

Crosses 6 administrative regions : Kusatsu, Kyoto, Lake Biwa, Uji, Ujitawara +1

rivière

Total length

24km

Max discharge

120,5m³/s

Max Strahler

5

Segments matched

9

River geography6 admin regions · 0 communes

Parent watershed

hybas-4080618350819 km²

6 administrative regions crossed (GADM L2)

  • Ujitawara
    Kyoto · Japan
    9.7 km
    in this dpt
  • Ōtsu
    Shiga · Japan
    6.1 km
    in this dpt
  • Lake Biwa
    Shiga · Japan
    3.7 km
    in this dpt
  • Kyoto
    Kyoto · Japan
    0.0 km
    in this dpt
  • Uji
    Kyoto · Japan
    0.0 km
    in this dpt
  • Kusatsu
    Shiga · Japan
    0.0 km
    in this dpt

8 intersecting protected areas

  • Biwako

    IUCN V

    Quasi National Park

  • Biwako

    IUCN IV

    Prefectural Wildlife Protection Area

  • Biwa-ko

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

  • Mikami-tanakami-shigaraki

    IUCN V

    Prefectural Natural Park

  • Kisenyama

    IUCN IV

    Prefectural Wildlife Protection Area

  • Makioyama

    IUCN IV

    Prefectural Wildlife Protection Area

  • Sueyama

    IUCN IV

    Prefectural Wildlife Protection Area

  • Sangoyama

    IUCN IV

    Prefectural Wildlife Protection Area

1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

207 distinct species · 596 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 32 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 瀬田川 : 27 espèces reliées par 38 interactions GloBI sur 4 types (connectance 6.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
38
Connectance
0.068
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

120,5m³/s

Max Strahler

5

Segments matched

9

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