Ontologia

Rivière· 33 segments

錦川

Crosses 3 administrative regions : Iwakuni, Shūnan, Yamaguchi

rivière

Total length

136km

Max discharge

23,9m³/s

Max Strahler

4

Segments matched

33

River geography3 admin regions · 0 communes

Parent watershed

hybas-408004180014401 km²

3 administrative regions crossed (GADM L2)

  • Shūnan
    Yamaguchi · Japan
    48.7 km
    in this dpt
  • Iwakuni
    Yamaguchi · Japan
    44.7 km
    in this dpt
  • Yamaguchi
    Yamaguchi · Japan
    0.0 km
    in this dpt

4 intersecting protected areas

  • Kawanishi

    IUCN IV

    Prefectural Wildlife Protection Area

  • Negasa

    IUCN IV

    Prefectural Wildlife Protection Area

  • Suganoko

    IUCN IV

    Prefectural Wildlife Protection Area

  • Green Space Environment Conservation Area(Yamaguchi)

1 page = 1 named river (aggregation of 33 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

56 distinct species · 90 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 18 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 錦川 : 17 espèces reliées par 13 interactions GloBI sur 5 types (connectance 8.5%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
18
Interactions affichées
13
Connectance
0.085
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

136km

Max discharge

23,9m³/s

Max Strahler

4

Segments matched

33

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