Rivière· 8 segments
札内川
Crosses 4 administrative regions : Makubetsu, Nakasatsunai, Obihiro, Otofuke
Total length
82km
Max discharge
14,7m³/s
Max Strahler
4
Segments matched
8
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- NakasatsunaiHokkaido · Japan28.1 kmin this dpt
- ObihiroHokkaido · Japan26.6 kmin this dpt
- MakubetsuHokkaido · Japan0.7 kmin this dpt
- OtofukeHokkaido · Japan0.0 kmin this dpt
3 intersecting protected areas
Hidakasanmyaku-Erimo-Tokachi
IUCN IINational Park
Hidaka Sammyaku
IUCN IbForest Ecosystem Reserve
Suikouen
IUCN VEnvironmental Green Space Protection Area(Hokkaido)
1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
211 distinct species · 405 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 札内川 : 16 espèces reliées par 41 interactions GloBI sur 5 types (connectance 10.8%, 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
82km
Max discharge
14,7m³/s
Max Strahler
4
Segments matched
8
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.