Ontologia

Ruisseau· 2 segments

大門川

Crosses 2 administrative regions : Hokuto, Minamimak

ruisseau

Total length

80km

Max discharge

0,9m³/s

Max Strahler

1

Segments matched

2

River geography2 admin regions · 0 communes

Parent watershed

hybas-4080591770347 km²

2 administrative regions crossed (GADM L2)

  • Hokuto
    Yamanashi · Japan
    10.1 km
    in this dpt
  • Minamimak
    Nagano · Japan
    3.4 km
    in this dpt

4 intersecting protected areas

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

806 distinct species · 1 950 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 大門川 : 26 espèces reliées par 46 interactions GloBI sur 6 types (connectance 8.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
46
Connectance
0.082
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

80km

Max discharge

0,9m³/s

Max Strahler

1

Segments matched

2

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