Ontologia

Ruisseau

賀来川

Crosses 2 administrative regions : Yufu, Ōita

ruisseau

Total length

7km

Max discharge

2,3m³/s

Max Strahler

2

Segments matched

1

River geography2 admin regions · 0 communes

Parent watershed

hybas-4080040230651 km²

2 administrative regions crossed (GADM L2)

  • Ōita
    Oita · Japan
    3.5 km
    in this dpt
  • Yufu
    Oita · Japan
    1.6 km
    in this dpt

1 intersecting protected areas

  • Yufugawa

    IUCN IV

    Prefectural Wildlife Protection Area

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

Species present

106 distinct species · 195 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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 賀来川 : 34 espèces reliées par 35 interactions GloBI sur 5 types (connectance 5.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
35
Connectance
0.050
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

7km

Max discharge

2,3m³/s

Max Strahler

2

Segments matched

1

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