Ontologia

Ruisseau· 4 segments

石田川

Crosses 1 administrative regions : Takashima

ruisseau

Total length

110km

Max discharge

2m³/s

Max Strahler

2

Segments matched

4

River geography1 admin regions · 0 communes

Parent watershed

hybas-40806099602540 km²

1 administrative regions crossed (GADM L2)

2 intersecting protected areas

  • Biwako

    IUCN V

    Quasi National Park

  • Imazucho

    IUCN IV

    Prefectural Wildlife Protection Area

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

Species present

58 distinct species · 99 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 11 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 石田川 : 8 espèces reliées par 11 interactions GloBI sur 3 types (connectance 20.0%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
11
Connectance
0.200
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

110km

Max discharge

2,0m³/s

Max Strahler

2

Segments matched

4

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