Rivière· 15 segments
三峰川
Crosses 1 administrative regions : Ina
Total length
65km
Max discharge
14,5m³/s
Max Strahler
4
Segments matched
15
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- InaNagano · Japan46.8 kmin this dpt
8 intersecting protected areas
Minami alps
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Minami alps
IUCN IINational Park
Minamiarupusu（Shiomito）
IUCN IVBiocenosis Protected Forest
Mitsuminegawa joryu
IUCN IVPrefectural Wildlife Protection Area
Mitsuminegawa suikei
IUCN VPrefectural Natural Park
Mikobuchi
IUCN IVRare Population Protected Forest
Rare Population Protected Forest
Kazamakitoge
IUCN IVRare Population Protected Forest
1 page = 1 named river (aggregation of 15 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
209 distinct species · 260 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 13 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 三峰川 : 11 espèces reliées par 10 interactions GloBI sur 3 types (connectance 12.8%, 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
65km
Max discharge
14,5m³/s
Max Strahler
4
Segments matched
15
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.