Ontologia

Ruisseau· 3 segments

塩沢川

Crosses 5 administrative regions : Fujimi, Hokuto, Kai, Minami-Alps, Nirasaki

ruisseau

Total length

66km

Max discharge

2,4m³/s

Max Strahler

2

Segments matched

3

River geography5 admin regions · 0 communes

Parent watershed

hybas-4080596240233 km²

5 administrative regions crossed (GADM L2)

  • Nirasaki
    Yamanashi · Japan
    6.0 km
    in this dpt
  • Minami-Alps
    Yamanashi · Japan
    1.8 km
    in this dpt
  • Hokuto
    Yamanashi · Japan
    1.7 km
    in this dpt
  • Kai
    Yamanashi · Japan
    0.5 km
    in this dpt
  • Fujimi
    Nagano · Japan
    0.0 km
    in this dpt

4 intersecting protected areas

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

Species present

267 distinct species · 398 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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 塩沢川 : 31 espèces reliées par 43 interactions GloBI sur 4 types (connectance 5.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
43
Connectance
0.055
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

66km

Max discharge

2,4m³/s

Max Strahler

2

Segments matched

3

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