Rivière· 32 segments
閉伊川
Crosses 2 administrative regions : Kawai, Miyako
Total length
91km
Max discharge
24,7m³/s
Max Strahler
4
Segments matched
32
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
9 intersecting protected areas
National Park
Common fishery right area
Kitakami Highlands
IUCN VGreen Corridor
Hayachinesan
IUCN IVPrefectural Wildlife Protection Area
Miyakoshi miyakowan
IUCN IVPrefectural Wildlife Protection Area
Miyakoshi miyako
IUCN IVPrefectural Wildlife Protection Area
Kuzakai kogen
IUCN VPrefectural Nature Conservation Area
Miyakoshi kuzakaikogen
IUCN IVPrefectural Wildlife Protection Area
Jodogahama-takonohama
IUCN IVPrefectural Wildlife Protection Area
1 page = 1 named river (aggregation of 32 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
46 distinct species · 57 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 閉伊川 : 5 espèces reliées par 3 interactions GloBI sur 2 types (connectance 30.0%, 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
91km
Max discharge
24,7m³/s
Max Strahler
4
Segments matched
32
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.