Ruisseau· 23 segments
有田川
Crosses 4 administrative regions : Arida, Aridagawa, Katsuragi, Kōya
Total length
138km
Max discharge
15,1m³/s
Max Strahler
3
Segments matched
23
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
9 intersecting protected areas
Koya-Ryujin
IUCN VQuasi National Park
Nishiarida
IUCN VPrefectural Natural Park
Aridagawa
IUCN IVPrefectural Wildlife Protection Area
Saga
IUCN IVPrefectural Wildlife Protection Area
Hanazono
IUCN IVPrefectural Wildlife Protection Area
Kitadera
IUCN IVPrefectural Wildlife Protection Area
Shiroyama
IUCN IVPrefectural Wildlife Protection Area
Tatejinja shajirin
IUCN VPrefectural Nature Conservation Area
Yanase
IUCN IVPrefectural Wildlife Protection Area
1 page = 1 named river (aggregation of 23 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
42 distinct species · 52 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 有田川 : 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
138km
Max discharge
15,1m³/s
Max Strahler
3
Segments matched
23
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.