Ruisseau· 7 segments
利賀川
Crosses 3 administrative regions : Nanto, Shirakawa Village, Tonami
Total length
36km
Max discharge
5,6m³/s
Max Strahler
2
Segments matched
7
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- NantoToyama · Japan32.3 kmin this dpt
- TonamiToyama · Japan0.3 kmin this dpt
- Shirakawa VillageGifu · Japan0.0 kmin this dpt
4 intersecting protected areas
Shiraki mizunashi
IUCN VPrefectural Natural Park
Otangawa
IUCN IVPrefectural Wildlife Protection Area
Toga
IUCN IVPrefectural Wildlife Protection Area
Yamano kami
IUCN VPrefectural Nature Conservation Area
1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
483 distinct species · 1 691 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 利賀川 : 33 espèces reliées par 36 interactions GloBI sur 6 types (connectance 4.9%, filtre Serrano α=0.2). 6 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
36km
Max discharge
5,6m³/s
Max Strahler
2
Segments matched
7
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.