Ruisseau· 22 segments

夏井川

Crosses 3 administrative regions : Iwaki, Ono, Tamura

ruisseau

Total length

96km

Max discharge

14,7m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-4080044400683 km²

3 administrative regions crossed (GADM L2)

Iwaki
Fukushima · Japan
41.1 km
in this dpt
Tamura
Fukushima · Japan
10.9 km
in this dpt
Ono
Fukushima · Japan
7.6 km
in this dpt

13 intersecting protected areas

Common fishery right area(Fukushima)
IUCN VI
Common fishery right area
Abukuma kogen chubu
IUCN V
Prefectural Natural Park
Natsuigawa keikoku
IUCN V
Prefectural Natural Park
Iwaki kaigan
IUCN V
Prefectural Natural Park
Abukuma Kochi
IUCN IV
Biocenosis Protected Forest
Kawamae
IUCN IV
Prefectural Wildlife Protection Area
Natsuigawa
IUCN IV
Prefectural Wildlife Protection Area
Ononiimachi
IUCN IV
Prefectural Wildlife Protection Area
Ogawayaguraishi
IUCN IV
Prefectural Wildlife Protection Area

4 more protected areassorted by area

Abukumado
IUCN IV
Prefectural Wildlife Protection Area
Aiya
IUCN IV
Prefectural Wildlife Protection Area
Tairashio
IUCN IV
Prefectural Wildlife Protection Area
Ogawamishima
IUCN IV
Prefectural Wildlife Protection Area

1 page = 1 named river (aggregation of 22 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

62 distinct species · 119 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de 夏井川 : 2 espèces reliées par 5 interactions GloBI sur 1 type (connectance 83.3%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.833

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)