Ontologia

Ruisseau· 4 segments

大落古利根川

Crosses 9 administrative regions : Kasukabe, Koshigaya, Kuki, Matsubushi, Miyashiro +4

ruisseau

Total length

27km

Max discharge

6,4m³/s

Max Strahler

3

Segments matched

4

River geography9 admin regions · 0 communes

Parent watershed

hybas-4080591130635 km²

9 administrative regions crossed (GADM L2)

  • Miyashiro
    Saitama · Japan
    9.0 km
    in this dpt
  • Kasukabe
    Saitama · Japan
    6.7 km
    in this dpt
  • Koshigaya
    Saitama · Japan
    5.1 km
    in this dpt
  • Kuki
    Saitama · Japan
    3.6 km
    in this dpt
  • Matsubushi
    Saitama · Japan
    1.8 km
    in this dpt
  • Shōbu
    Saitama · Japan
    0.4 km
    in this dpt
  • Shiraoka
    Saitama · Japan
    0.2 km
    in this dpt
  • Sugito
    Saitama · Japan
    0.1 km
    in this dpt
  • Yoshikawa
    Saitama · Japan
    0.1 km
    in this dpt

4 intersecting protected areas

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

Species present

128 distinct species · 714 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 29 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 大落古利根川 : 23 espèces reliées par 62 interactions GloBI sur 2 types (connectance 11.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
62
Connectance
0.117
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

27km

Max discharge

6,4m³/s

Max Strahler

3

Segments matched

4

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