Ontologia

Ruisseau· 8 segments

天野川

Crosses 5 administrative regions : Hirakata, Katano, Lake Biwa, Maibara, Takatsuki

ruisseau

Total length

74km

Max discharge

4,1m³/s

Max Strahler

3

Segments matched

8

River geography5 admin regions · 0 communes

Parent watershed

hybas-40806099602540 km²

5 administrative regions crossed (GADM L2)

  • Maibara
    Shiga · Japan
    15.4 km
    in this dpt
  • Hirakata
    Osaka · Japan
    4.2 km
    in this dpt
  • Katano
    Osaka · Japan
    1.0 km
    in this dpt
  • Takatsuki
    Osaka · Japan
    0.7 km
    in this dpt
  • Lake Biwa
    Shiga · Japan
    0.5 km
    in this dpt

6 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)

  • Yodogawa

    IUCN IV

    Prefectural Wildlife Protection Area

  • Mishimaike

    IUCN IV

    Prefectural Wildlife Protection Area

  • Jizougawa hariyo seisokuchi

    IUCN IV

    Habitat Protection Area(Shiga)

1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

198 distinct species · 466 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 31 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 天野川 : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 4 types (connectance 8.0%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
42
Connectance
0.080
Patrimoniales
1
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

74km

Max discharge

4,1m³/s

Max Strahler

3

Segments matched

8

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