Ontologia

Ruisseau· 3 segments

戸台川

Crosses 1 administrative regions : Ina

ruisseau

Total length

9km

Max discharge

2,1m³/s

Max Strahler

3

Segments matched

3

River geography1 admin regions · 0 communes

Parent watershed

hybas-4080588920503 km²

1 administrative regions crossed (GADM L2)

  • Ina
    Nagano · Japan
    9.0 km
    in this dpt

5 intersecting protected areas

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

Species present

543 distinct species · 1 380 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 21 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 戸台川 : 15 espèces reliées par 23 interactions GloBI sur 5 types (connectance 11.0%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
23
Connectance
0.110
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

9km

Max discharge

2,1m³/s

Max Strahler

3

Segments matched

3

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