Ruisseau· 23 segments
芋川
Crosses 2 administrative regions : Yokote, Yurihonjō
Total length
88km
Max discharge
11,3m³/s
Max Strahler
3
Segments matched
23
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
5 intersecting protected areas
Nakatashiro
IUCN IVPrefectural Wildlife Protection Area
Ishiwaki
IUCN IVPrefectural Wildlife Protection Area
Iwaya
IUCN IVPrefectural Wildlife Protection Area
Yachi
IUCN IVPrefectural Wildlife Protection Area
Katakinuma
IUCN VPrefectural Nature Conservation Area
1 page = 1 named river (aggregation of 23 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
129 distinct species · 268 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 芋川 : 14 espèces reliées par 13 interactions GloBI sur 2 types (connectance 9.6%, filtre Serrano α=0.2). 3 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
88km
Max discharge
11,3m³/s
Max Strahler
3
Segments matched
23
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.