Ruisseau· 2 segments
相川川
Crosses 3 administrative regions : Kawaguchi, Ojiya, Tōkamachi
ruisseau
Total length
17km
Max discharge
1,5m³/s
Max Strahler
2
Segments matched
2
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
2 intersecting protected areas
Yamanoaikawa
IUCN IVPrefectural Wildlife Protection Area
Oike
IUCN VPrefectural Nature Conservation Area
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
8 distinct species · 17 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydrology (HydroRIVERS v10)
Total length
17km
Max discharge
1,5m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.