Rivière· 34 segments
小丸川
Crosses 7 administrative regions : Hyūga, Kawaminami, Kijō, Misato, Saito +2
Total length
86km
Max discharge
23,4m³/s
Max Strahler
4
Segments matched
34
River geography7 admin regions · 0 communes
7 administrative regions crossed (GADM L2)
8 intersecting protected areas
Osuzu
IUCN VPrefectural Natural Park
Osuzuyama
IUCN IVPrefectural Wildlife Protection Area
Takanabe-shintomi
IUCN IVPrefectural Wildlife Protection Area
Imogahae-kushino
IUCN IVPrefectural Wildlife Protection Area
Omarugawa
IUCN IVPrefectural Wildlife Protection Area
Osuzu Akamatsu To Idenshigen
IUCN IVRare Population Protected Forest
Ishikawachi
IUCN IVPrefectural Wildlife Protection Area
Kawabaru
IUCN IVPrefectural Wildlife Protection Area
1 page = 1 named river (aggregation of 34 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
46 distinct species · 52 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 3 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 小丸川 : 3 espèces reliées par 2 interactions GloBI sur 2 types (connectance 66.7%, 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
86km
Max discharge
23,4m³/s
Max Strahler
4
Segments matched
34
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.