Ontologia

Ruisseau

沢丈川

Crosses 1 administrative regions : Hirata

ruisseau

Total length

4km

Max discharge

0,3m³/s

Max Strahler

1

Segments matched

1

River geography1 admin regions · 0 communes

Parent watershed

hybas-4080544150417 km²

1 administrative regions crossed (GADM L2)

  • Hirata
    Fukushima · Japan
    3.3 km
    in this dpt

2 intersecting protected areas

  • Yomogidayama

    IUCN IV

    Prefectural Wildlife Protection Area

  • Hirata

    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

84 distinct species · 164 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 39 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 沢丈川 : 37 espèces reliées par 32 interactions GloBI sur 4 types (connectance 4.3%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
32
Connectance
0.043
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

4km

Max discharge

0,3m³/s

Max Strahler

1

Segments matched

1

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