Rivière· 30 segments

大野川

Crosses 6 administrative regions : Bungo-ōno, Takachiho, Takamori, Taketa, Usuki +1

rivière

Total length

305km

Max discharge

69,1m³/s

Max Strahler

Segments matched

River geography6 admin regions · 0 communes

Parent watershed

hybas-40800402501444 km²

6 administrative regions crossed (GADM L2)

Bungo-ōno
Oita · Japan
32.7 km
in this dpt
Ōita
Oita · Japan
18.5 km
in this dpt
Takamori
Kumamoto · Japan
17.2 km
in this dpt
Taketa
Oita · Japan
16.8 km
in this dpt
Takachiho
Miyazaki · Japan
6.5 km
in this dpt
Usuki
Oita · Japan
0.0 km
in this dpt

10 intersecting protected areas

Sobo katamuki (miyazaki)
IUCN V
Prefectural Natural Park
Sobo-Katamuki
IUCN V
Quasi National Park
Sobo-katamuki-okue
IUCN Not Applicable
UNESCO-MAB Biosphere Reserve
Jinkakuji Serikawa
IUCN V
Prefectural Natural Park
Sobosan・Katamukiyama・Okueyama Shuhen
IUCN Ib
Forest Ecosystem Reserve
Sobokatamukiyama
IUCN IV
Prefectural Wildlife Protection Area
Tamarai
IUCN IV
Prefectural Wildlife Protection Area
Okajo
IUCN IV
Prefectural Wildlife Protection Area
Hakurokusan
IUCN IV
Prefectural Wildlife Protection Area

1 more protected areassorted by area

Oita Canon Inc. Oita Office "Canon Forest"
IUCN Not Applicable
OECM

1 page = 1 named river (aggregation of 30 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

57 distinct species · 122 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 11 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 大野川 : 10 espèces reliées par 7 interactions GloBI sur 3 types (connectance 12.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.127

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)