Ruisseau· 2 segments
精進川
Crosses 1 administrative regions : Sapporo
Total length
77km
Max discharge
0,7m³/s
Max Strahler
2
Segments matched
2
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- SapporoHokkaido · Japan7.8 kmin this dpt
8 intersecting protected areas
Nishioka
IUCN VEnvironmental Green Space Protection Area(Hokkaido)
Maruyama-moiwa
IUCN IVPrefectural Wildlife Protection Area
Makomanai midorigaoka
IUCN IVPrefectural Wildlife Protection Area
Kashiwagaoka
IUCN VEnvironmental Green Space Protection Area(Hokkaido)
Tenjinyama
IUCN VSpecial green space conservation districts
Sumikawa minami
IUCN VSpecial green space conservation districts
Makomanai sakurayama
IUCN VSpecial green space conservation districts
Sumikawa
IUCN VSpecial green space conservation districts
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
549 distinct species · 2 867 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 精進川 : 39 espèces reliées par 75 interactions GloBI sur 5 types (connectance 6.1%, filtre Serrano α=0.2). 11 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
77km
Max discharge
0,7m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.