Rivière· 21 segments
豊平川
Crosses 3 administrative regions : Date, Ebetsu, Sapporo
Total length
74km
Max discharge
467,3m³/s
Max Strahler
6
Segments matched
21
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
16 intersecting protected areas
Shikotsu toya
IUCN IINational Park
Shikotsu and Muine
IUCN VGreen Corridor
Izaridake Shuhen
IUCN IbForest Ecosystem Reserve
Jozankei
IUCN IVPrefectural Wildlife Protection Area
Maruyama-moiwa
IUCN IVPrefectural Wildlife Protection Area
Hakkenzan
IUCN VNatural Landscape Protection Area(Hokkaido)
Makomanai midorigaoka
IUCN IVPrefectural Wildlife Protection Area
Hokudai ichinosawa
IUCN IVPrefectural Wildlife Protection Area
Fujinosawa
IUCN VEnvironmental Green Space Protection Area(Hokkaido)
7 more protected areassorted by area
Rare Population Protected Forest
Hattaribetsu
IUCN VSpecial green space conservation districts
Fujinosawa
IUCN IVPrefectural Wildlife Protection Area
Kashiwagaoka daini
IUCN VSpecial green space conservation districts
Kashiwagaoka
IUCN VSpecial green space conservation districts
Kashiwagaoka
IUCN VEnvironmental Green Space Protection Area(Hokkaido)
Makomanai kashiwaoka
IUCN VSpecial green space conservation districts
1 page = 1 named river (aggregation of 21 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
229 distinct species · 407 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 豊平川 : 42 espèces reliées par 56 interactions GloBI sur 7 types (connectance 4.6%, filtre Serrano α=0.2). 8 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
74km
Max discharge
467,3m³/s
Max Strahler
6
Segments matched
21
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.