Ontologia

Ruisseau· 4 segments

神田川

Crosses 10 administrative regions : Bunkyō, Chiyoda, Chūō, Mitaka, Musashino +5

ruisseau

Total length

131km

Max discharge

2,5m³/s

Max Strahler

2

Segments matched

4

River geography10 admin regions · 0 communes

Parent watershed

hybas-4080044830332 km²

10 administrative regions crossed (GADM L2)

  • Suginami
    Tokyo · Japan
    5.8 km
    in this dpt
  • Bunkyō
    Tokyo · Japan
    3.7 km
    in this dpt
  • Shinjuku
    Tokyo · Japan
    2.2 km
    in this dpt
  • Chiyoda
    Tokyo · Japan
    1.9 km
    in this dpt
  • Nakano
    Tokyo · Japan
    1.5 km
    in this dpt
  • Toshima
    Tokyo · Japan
    1.1 km
    in this dpt
  • Setagaya
    Tokyo · Japan
    0.1 km
    in this dpt
  • Musashino
    Tokyo · Japan
    0.0 km
    in this dpt
  • Mitaka
    Tokyo · Japan
    0.0 km
    in this dpt
  • Chūō
    Tokyo · Japan
    0.0 km
    in this dpt

6 intersecting protected areas

1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 220 distinct species · 7 119 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 神田川 : 29 espèces reliées par 54 interactions GloBI sur 5 types (connectance 7.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
54
Connectance
0.073
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

131km

Max discharge

2,5m³/s

Max Strahler

2

Segments matched

4

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