Ontologia

Ruisseau· 4 segments

芝川

Crosses 5 administrative regions : Hatogaya, Kawaguchi, Kita, Saitama, Warabi

ruisseau

Total length

61km

Max discharge

2,5m³/s

Max Strahler

2

Segments matched

4

River geography5 admin regions · 0 communes

Parent watershed

hybas-4080591120795 km²

5 administrative regions crossed (GADM L2)

  • Kawaguchi
    Saitama · Japan
    8.0 km
    in this dpt
  • Saitama
    Saitama · Japan
    2.2 km
    in this dpt
  • Hatogaya
    Saitama · Japan
    0.4 km
    in this dpt
  • Warabi
    Saitama · Japan
    0.0 km
    in this dpt
  • Kita
    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

498 distinct species · 5 096 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 芝川 : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 53 interactions GloBI sur 4 types (connectance 6.5%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
53
Connectance
0.065
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

61km

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.