Ontologia

Rivière· 4 segments

大橋川

Crosses 1 administrative regions : Matsue

rivière

Total length

37km

Max discharge

51,4m³/s

Max Strahler

4

Segments matched

4

River geography1 admin regions · 0 communes

Parent watershed

hybas-40800423702044 km²

1 administrative regions crossed (GADM L2)

  • Matsue
    Shimane · Japan
    10.5 km
    in this dpt

4 intersecting protected areas

  • Prefectural Natural Park

  • Shinjiko

    IUCN IV

    National Wildlife Protection Area

  • Shinji-ko

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

  • Rakuzan

    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

363 distinct species · 970 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 36 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 大橋川 : 28 espèces reliées par 56 interactions GloBI sur 3 types (connectance 8.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
56
Connectance
0.089
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

37km

Max discharge

51,4m³/s

Max Strahler

4

Segments matched

4

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