Ontologia

Rivière· 13 segments

小瀬川

Crosses 4 administrative regions : Hatsukaichi, Iwakuni, Waki, Ōtake

rivière

Total length

66km

Max discharge

8,7m³/s

Max Strahler

4

Segments matched

13

River geography4 admin regions · 0 communes

Parent watershed

hybas-408004180014401 km²

4 administrative regions crossed (GADM L2)

  • Hatsukaichi
    Hiroshima · Japan
    21.5 km
    in this dpt
  • Ōtake
    Hiroshima · Japan
    12.7 km
    in this dpt
  • Iwakuni
    Yamaguchi · Japan
    8.1 km
    in this dpt
  • Waki
    Yamaguchi · Japan
    5.5 km
    in this dpt

8 intersecting protected areas

1 page = 1 named river (aggregation of 13 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

39 distinct species · 48 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 12 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 小瀬川 : 12 espèces reliées par 7 interactions GloBI sur 3 types (connectance 10.6%, filtre Serrano α=0.2).

Espèces affichées
12
Interactions affichées
7
Connectance
0.106
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

66km

Max discharge

8,7m³/s

Max Strahler

4

Segments matched

13

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