Ruisseau· 6 segments
柳瀬川
Crosses 7 administrative regions : Fujimi, Higashimurayama, Kiyose, Miyoshi, Niiza +2
Total length
74km
Max discharge
2m³/s
Max Strahler
3
Segments matched
6
River geography7 admin regions · 0 communes
7 administrative regions crossed (GADM L2)
- TokorozawaSaitama · Japan15.1 kmin this dpt
- MiyoshiSaitama · Japan6.9 kmin this dpt
- NiizaSaitama · Japan1.3 kmin this dpt
- FujimiSaitama · Japan1.1 kmin this dpt
- ShikiSaitama · Japan0.5 kmin this dpt
- HigashimurayamaTokyo · Japan0.0 kmin this dpt
- KiyoseTokyo · Japan0.0 kmin this dpt
12 intersecting protected areas
Sayama (saitama)
IUCN VPrefectural Natural Park
Higashi iruma
IUCN IVPrefectural Wildlife Protection Area
Sayamako
IUCN IVPrefectural Wildlife Protection Area
Sayama (tokyo)
IUCN VPrefectural Natural Park
Niiza
IUCN IVPrefectural Wildlife Protection Area
Murayamayamaguchi
IUCN IVPrefectural Wildlife Protection Area
Kiyose
IUCN IVPrefectural Wildlife Protection Area
Shingashigawa-yanasegawa
IUCN IVPrefectural Wildlife Protection Area
Kitayama
IUCN IVPrefectural Wildlife Protection Area
3 more protected areassorted by area
Arahatafuji
IUCN VSpecial green space conservation districts
Totoro Forest
IUCN Not ApplicableOECM
Big Woods in Obayashi Technology Research Institute
IUCN Not ApplicableOECM
1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
502 distinct species · 1 632 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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).
Indicateurs du tissu écologique
Tissu écologique de 柳瀬川 : 29 espèces reliées par 61 interactions GloBI sur 4 types (connectance 7.4%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
74km
Max discharge
2,0m³/s
Max Strahler
3
Segments matched
6
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.