Ontologia

Rivière· 8 segments

一の沢川

Crosses 5 administrative regions : Ashibetsu, Furano, Hokuryū, Minamifurano, Sapporo

rivière

Total length

285km

Max discharge

12,5m³/s

Max Strahler

4

Segments matched

8

River geography5 admin regions · 0 communes

Parent watershed

hybas-40803290602638 km²

5 administrative regions crossed (GADM L2)

  • Minamifurano
    Hokkaido · Japan
    8.4 km
    in this dpt
  • Hokuryū
    Hokkaido · Japan
    5.8 km
    in this dpt
  • Furano
    Hokkaido · Japan
    4.3 km
    in this dpt
  • Ashibetsu
    Hokkaido · Japan
    3.9 km
    in this dpt
  • Sapporo
    Hokkaido · Japan
    2.6 km
    in this dpt

8 intersecting protected areas

1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

10 distinct species · 19 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

285km

Max discharge

12,5m³/s

Max Strahler

4

Segments matched

8

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