Ontologia

Rivière· 17 segments

嘉瀬川

Crosses 2 administrative regions : Ogi, Saga

rivière

Total length

46km

Max discharge

12,1m³/s

Max Strahler

4

Segments matched

17

River geography2 admin regions · 0 communes

Parent watershed

hybas-4080039750345 km²

2 administrative regions crossed (GADM L2)

  • Saga
    Saga · Japan
    39.2 km
    in this dpt
  • Ogi
    Saga · Japan
    1.4 km
    in this dpt

6 intersecting protected areas

1 page = 1 named river (aggregation of 17 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

73 distinct species · 252 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 29 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 嘉瀬川 : 26 espèces reliées par 30 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
30
Connectance
0.074
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

46km

Max discharge

12,1m³/s

Max Strahler

4

Segments matched

17

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