Ontologia

Ruisseau

綾瀬川放水路

Crosses 7 administrative regions : Adachi, Katsushika, Koshigaya, Misato City, Sōka +2

ruisseau

Total length

8km

Max discharge

8,4m³/s

Max Strahler

3

Segments matched

1

River geography7 admin regions · 0 communes

Parent watershed

hybas-4080591130635 km²

7 administrative regions crossed (GADM L2)

  • Misato City
    Saitama · Japan
    4.3 km
    in this dpt
  • Sōka
    Saitama · Japan
    3.0 km
    in this dpt
  • Yashio
    Saitama · Japan
    2.4 km
    in this dpt
  • Katsushika
    Tokyo · Japan
    0.5 km
    in this dpt
  • Koshigaya
    Saitama · Japan
    0.0 km
    in this dpt
  • Yoshikawa
    Saitama · Japan
    0.0 km
    in this dpt
  • Adachi
    Tokyo · Japan
    0.0 km
    in this dpt

1 intersecting protected areas

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

Species present

354 distinct species · 15 967 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 27 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 綾瀬川放水路 : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 56 interactions GloBI sur 3 types (connectance 12.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
56
Connectance
0.129
Patrimoniales
1
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

8km

Max discharge

8,4m³/s

Max Strahler

3

Segments matched

1

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