Ruisseau· 12 segments
磐井川
Crosses 2 administrative regions : Ichinoseki, Ōshū
Total length
51km
Max discharge
9,6m³/s
Max Strahler
3
Segments matched
12
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- IchinosekiIwate · Japan37.0 kmin this dpt
- ŌshūIwate · Japan0.0 kmin this dpt
6 intersecting protected areas
Kurikoma
IUCN IIQuasi National Park
Forest Ecosystem Reserve
Tochigamori
IUCN IVPrefectural Wildlife Protection Area
Kurikoma
IUCN IVPrefectural Wildlife Protection Area
Ichinosekishi ranbaisan
IUCN IVPrefectural Wildlife Protection Area
Ichinosekishi maehori
IUCN IVPrefectural Wildlife Protection Area
1 page = 1 named river (aggregation of 12 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
12 distinct species · 12 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 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 磐井川 : 4 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
51km
Max discharge
9,6m³/s
Max Strahler
3
Segments matched
12
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.