Ontologia

Ruisseau· 3 segments

江頭川

Crosses 2 administrative regions : Kitsuki, Kunisaki

ruisseau

Total length

10km

Max discharge

0,3m³/s

Max Strahler

2

Segments matched

3

River geography2 admin regions · 0 communes

Parent watershed

hybas-40800401601047 km²

2 administrative regions crossed (GADM L2)

  • Kitsuki
    Oita · Japan
    2.8 km
    in this dpt
  • Kunisaki
    Oita · Japan
    0.0 km
    in this dpt

3 intersecting protected areas

1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

105 distinct species · 1 156 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 17 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 江頭川 : 14 espèces reliées par 24 interactions GloBI sur 2 types (connectance 14.0%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
24
Connectance
0.140
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

10km

Max discharge

0,3m³/s

Max Strahler

2

Segments matched

3

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