Ontologia

Rivière· 7 segments

常願寺川

Crosses 2 administrative regions : Tateyama, Toyama

rivière

Total length

63km

Max discharge

18,3m³/s

Max Strahler

4

Segments matched

7

River geography2 admin regions · 0 communes

Parent watershed

hybas-4080042890403 km²

2 administrative regions crossed (GADM L2)

  • Toyama
    Toyama · Japan
    25.1 km
    in this dpt
  • Tateyama
    Toyama · Japan
    15.2 km
    in this dpt

7 intersecting protected areas

1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

666 distinct species · 1 467 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 24 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 常願寺川 : 22 espèces reliées par 19 interactions GloBI sur 4 types (connectance 6.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
19
Connectance
0.069
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

63km

Max discharge

18,3m³/s

Max Strahler

4

Segments matched

7

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