Ruisseau· 3 segments
横湯川
Crosses 1 administrative regions : Yamanouchi
Total length
13km
Max discharge
2,5m³/s
Max Strahler
3
Segments matched
3
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- YamanouchiNagano · Japan12.3 kmin this dpt
5 intersecting protected areas
Joshinetsukogen
IUCN IINational Park
Shiga Highland
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Shiga kogen
IUCN IVPrefectural Wildlife Protection Area
Yakebitai
IUCN IVPrefectural Wildlife Protection Area
Jigokudani
IUCN IVPrefectural Wildlife Protection Area
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
732 distinct species · 3 398 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 横湯川 : 23 espèces reliées par 59 interactions GloBI sur 6 types (connectance 9.4%, filtre Serrano α=0.2). 13 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
13km
Max discharge
2,5m³/s
Max Strahler
3
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.