Ruisseau· 5 segments
花園川
Crosses 1 administrative regions : Kitaibaraki
Total length
31km
Max discharge
1,3m³/s
Max Strahler
2
Segments matched
5
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- KitaibarakiIbaraki · Japan18.1 kmin this dpt
6 intersecting protected areas
Common fishery right area
Hanazono hananuki
IUCN VPrefectural Natural Park
Takaboyama
IUCN IVPrefectural Wildlife Protection Area
Sarugajo Azumashakunage
IUCN IVRare Population Protected Forest
Kuruma
IUCN VGreen Space Environment Conservation Area(Ibaraki)
Shimo souda
IUCN VGreen Space Environment Conservation Area(Ibaraki)
1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
89 distinct species · 157 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).
Indicateurs du tissu écologique
Tissu écologique de 花園川 : 4 espèces reliées par 3 interactions GloBI sur 2 types (connectance 20.0%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
31km
Max discharge
1,3m³/s
Max Strahler
2
Segments matched
5
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.