Ontologia

Ruisseau

河内川

Crosses 1 administrative regions : Tosu

ruisseau

Total length

260km

Max discharge

0,2m³/s

Max Strahler

1

Segments matched

1

River geography1 admin regions · 0 communes

Parent watershed

hybas-4080666070126 km²

1 administrative regions crossed (GADM L2)

  • Tosu
    Saga · Japan
    2.0 km
    in this dpt

4 intersecting protected areas

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

Species present

125 distinct species · 364 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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 河内川 : 30 espèces reliées par 34 interactions GloBI sur 3 types (connectance 5.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
34
Connectance
0.057
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

260km

Max discharge

0,2m³/s

Max Strahler

1

Segments matched

1

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