Ruisseau· 12 segments
恋瀬川
Crosses 4 administrative regions : Ishioka, Kasumigaura, Omitama, Water body
Total length
26km
Max discharge
5m³/s
Max Strahler
3
Segments matched
12
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- IshiokaIbaraki · Japan27.5 kmin this dpt
- Water bodyIbaraki · Japan6.0 kmin this dpt
- KasumigauraIbaraki · Japan2.8 kmin this dpt
- OmitamaIbaraki · Japan0.0 kmin this dpt
5 intersecting protected areas
Suigo-Tsukuba
IUCN VQuasi National Park
Agakuni atago
IUCN VPrefectural Natural Park
Kakiokahigashi
IUCN IVPrefectural Wildlife Protection Area
Ryujinyama
IUCN IVPrefectural Wildlife Protection Area
Takahamairi
IUCN IVPrefectural Wildlife Protection Area
1 page = 1 named river (aggregation of 12 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 477 distinct species · 8 860 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 恋瀬川 : 11 espèces reliées par 97 interactions GloBI sur 6 types (connectance 22.3%, filtre Serrano α=0.2). 19 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
26km
Max discharge
5,0m³/s
Max Strahler
3
Segments matched
12
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.