Rivière· 27 segments

斐伊川

Crosses 6 administrative regions : Hikawa, Izumo, Matsue, Nichinan, Okuizumo +1

rivière

Total length

91km

Max discharge

79,2m³/s

Max Strahler

Segments matched

River geography6 admin regions · 0 communes

Parent watershed

hybas-40800423702044 km²

6 administrative regions crossed (GADM L2)

Unnan
Shimane · Japan
28.3 km
in this dpt
Okuizumo
Shimane · Japan
26.8 km
in this dpt
Izumo
Shimane · Japan
14.8 km
in this dpt
Hikawa
Shimane · Japan
3.6 km
in this dpt
Matsue
Shimane · Japan
2.3 km
in this dpt
Nichinan
Tottori · Japan
0.0 km
in this dpt

13 intersecting protected areas

Common fishery right area(Shimane)
IUCN VI
Common fishery right area
Shinji ko kitayama
IUCN V
Prefectural Natural Park
Nakaumi
IUCN IV
National Wildlife Protection Area
Nakaumi
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
Shinjiko
IUCN IV
National Wildlife Protection Area
Shinji-ko
IUCN Not Reported
Wetland of International Importance (Ramsar Site)
Sentsuzan
IUCN IV
Prefectural Wildlife Protection Area
Shinjiko
IUCN IV
Prefectural Wildlife Protection Area
Mihonoseki
IUCN IV
Prefectural Wildlife Protection Area

4 more protected areassorted by area

Hiikawa
IUCN IV
Prefectural Wildlife Protection Area
Oninoshitaburui
IUCN V
Prefectural Natural Park
Ichinotani
IUCN IV
Prefectural Wildlife Protection Area
Kenkono mori
IUCN IV
Prefectural Wildlife Protection Area

1 page = 1 named river (aggregation of 27 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

17 distinct species · 36 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 斐伊川 : 5 espèces reliées par 4 interactions GloBI sur 1 type (connectance 26.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.267

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)