Ruisseau
清川
Crosses 2 administrative regions : Otaru, Sapporo
Total length
55km
Max discharge
0,7m³/s
Max Strahler
2
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
6 intersecting protected areas
Common fishery right area
Kita shiribeshi
IUCN VICoastline Marine Resource Development Area, designated sea area
Ouji otarusanrin
IUCN VNatural Landscape Protection Area(Hokkaido)
Teineyama minami
IUCN VNatural Landscape Protection Area(Hokkaido)
Teine Forest, one of the Materials' Forests
IUCN Not ApplicableOECM
Teineyamaguchi
IUCN VEnvironmental Green Space Protection Area(Hokkaido)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
137 distinct species · 215 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 清川 : 28 espèces reliées par 33 interactions GloBI sur 7 types (connectance 6.2%, filtre Serrano α=0.2). 5 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
55km
Max discharge
0,7m³/s
Max Strahler
2
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.