Ruisseau
昔川
Crosses 1 administrative regions : Sendai
Total length
12km
Max discharge
7,4m³/s
Max Strahler
3
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- SendaiMiyagi · Japan3.3 kmin this dpt
3 intersecting protected areas
Common fishery right area
Sendai kaihin
IUCN IVNational Wildlife Protection Area
Sendai wan kaihin
IUCN VPrefectural Nature Conservation Area
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
444 distinct species · 1 364 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 昔川 : 15 espèces reliées par 91 interactions GloBI sur 4 types (connectance 19.6%, filtre Serrano α=0.2). 16 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
12km
Max discharge
7,4m³/s
Max Strahler
3
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.