Ruisseau· 2 segments
五線沢川
Crosses 1 administrative regions : Obihiro
Total length
17km
Max discharge
2,7m³/s
Max Strahler
2
Segments matched
2
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- ObihiroHokkaido · Japan7.2 kmin this dpt
2 intersecting protected areas
Iwanai
IUCN IVPrefectural Wildlife Protection Area
Iwanai senkyou
IUCN VNatural Landscape Protection Area(Hokkaido)
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
76 distinct species · 224 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 五線沢川 : 18 espèces reliées par 13 interactions GloBI sur 3 types (connectance 8.5%, 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
17km
Max discharge
2,7m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.