Ontologia

Rivière

多羅川

⚠ Partial coverage : only 1 named segment matched so far. The real rivière extends much further (Strahler order 5 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.

Crosses 2 administrative regions : Lake Biwa, Ōtsu

rivière

Max discharge

113,2m³/s

Max Strahler

5

Segments matched

1

River geography2 admin regions · 0 communes

Parent watershed

hybas-4080618350819 km²

2 administrative regions crossed (GADM L2)

  • Ōtsu
    Shiga · Japan
    4.9 km
    in this dpt
  • Lake Biwa
    Shiga · Japan
    0.0 km
    in this dpt

3 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)

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

Species present

458 distinct species · 1 519 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 35 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 多羅川 : 28 espèces reliées par 43 interactions GloBI sur 4 types (connectance 6.8%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
43
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)

Matched len.

2,2km

Max discharge

113,2m³/s

Max Strahler

5

Segments matched

1

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