Ontologia

Ruisseau· 2 segments

芥川

Crosses 4 administrative regions : Hirakata, Ibaraki, Kyoto, Takatsuki

ruisseau

Total length

31km

Max discharge

1,5m³/s

Max Strahler

2

Segments matched

2

River geography4 admin regions · 0 communes

Parent watershed

hybas-4080041500632 km²

4 administrative regions crossed (GADM L2)

  • Takatsuki
    Osaka · Japan
    18.3 km
    in this dpt
  • Kyoto
    Kyoto · Japan
    0.0 km
    in this dpt
  • Hirakata
    Osaka · Japan
    0.0 km
    in this dpt
  • Ibaraki
    Osaka · Japan
    0.0 km
    in this dpt

4 intersecting protected areas

  • Yodogawa

    IUCN IV

    Prefectural Wildlife Protection Area

  • Hokusetsu

    IUCN V

    Prefectural Natural Park

  • Ponponyama

    IUCN IV

    Prefectural Wildlife Protection Area

  • Honzan ji

    IUCN V

    Prefectural Nature Conservation Area

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

302 distinct species · 598 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 30 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 芥川 : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 37 interactions GloBI sur 5 types (connectance 8.0%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
37
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

31km

Max discharge

1,5m³/s

Max Strahler

2

Segments matched

2

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