Rivière· 13 segments
大千瀬川
Crosses 3 administrative regions : Hamamatsu, Shitara, Tōei
Total length
29km
Max discharge
12,2m³/s
Max Strahler
4
Segments matched
13
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
2 intersecting protected areas
Tenryu-Okumikawa
IUCN VQuasi National Park
Furikusa kogen
IUCN VPrefectural Natural Park
1 page = 1 named river (aggregation of 13 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
106 distinct species · 188 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 14 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 大千瀬川 : 12 espèces reliées par 12 interactions GloBI sur 3 types (connectance 13.2%, 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
29km
Max discharge
12,2m³/s
Max Strahler
4
Segments matched
13
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.