Ruisseau· 4 segments
西谷川
Crosses 4 administrative regions : Gojō, Kawakami, Kinokawa, Ōdai
Total length
281km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
4
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
5 intersecting protected areas
Yoshino kumano
IUCN VNational Park
Mount Odaigahara-Mount Omine-Osugidani
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Kongo-Ikoma-Kisen
IUCN VQuasi National Park
Odaisankei
IUCN IVNational Wildlife Protection Area
Osugidani
IUCN IbForest Ecosystem Reserve
1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
117 distinct species · 157 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 西谷川 : 5 espèces reliées par 3 interactions GloBI sur 2 types (connectance 30.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
281km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
4
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.