Ruisseau· 11 segments
安家川
Crosses 4 administrative regions : Fudai, Iwazumi, Kuji, Noda
Total length
53km
Max discharge
5,1m³/s
Max Strahler
3
Segments matched
11
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
6 intersecting protected areas
National Park
Common fishery right area
Kitakami Highlands
IUCN VGreen Corridor
Kuzishi hiraniwakogen
IUCN IVPrefectural Wildlife Protection Area
Iwaizumicho oikozawa
IUCN IVPrefectural Wildlife Protection Area
Akkamori Buna Idenshigen
IUCN IVRare Population Protected Forest
1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
38 distinct species · 125 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 2 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 安家川 : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, 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
53km
Max discharge
5,1m³/s
Max Strahler
3
Segments matched
11
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.