Ruisseau· 24 segments

江合川

Crosses 4 administrative regions : Ishinomaki, Misato, Wakuya, Ōsaki

ruisseau

Total length

92km

Max discharge

18,8m³/s

Max Strahler

Segments matched

River geography4 admin regions · 0 communes

Parent watershed

hybas-4080044180766 km²

4 administrative regions crossed (GADM L2)

Ōsaki
Miyagi · Japan
52.0 km
in this dpt
Wakuya
Miyagi · Japan
9.4 km
in this dpt
Misato
Miyagi · Japan
2.2 km
in this dpt
Ishinomaki
Miyagi · Japan
0.8 km
in this dpt

11 intersecting protected areas

Kurikoma
IUCN II
Quasi National Park
Ouu Mountain Range
IUCN V
Green Corridor
Kurikoma
IUCN IV
Prefectural Wildlife Protection Area
Kagobou-nonodakeyama
IUCN V
Green Space Environment Conservation Area(Miyagi)
Naruko
IUCN IV
Prefectural Wildlife Protection Area
Rokkaku bokujo
IUCN IV
Prefectural Wildlife Protection Area
Kejonuma
IUCN IV
Prefectural Wildlife Protection Area
Jishozan Sugi
IUCN IV
Rare Population Protected Forest
Ainonuma
IUCN IV
Prefectural Wildlife Protection Area

2 more protected areassorted by area

Kejonuma
IUCN IV
National Wildlife Protection Area
Sawada-kami Igune and the surrounding rice paddies
IUCN Not Applicable
OECM

1 page = 1 named river (aggregation of 24 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

28 distinct species · 49 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de 江合川 : 4 espèces reliées par 4 interactions GloBI sur 1 type (connectance 40.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.400

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)