Rivière· 13 segments
社川
Crosses 7 administrative regions : Asakawa, Ishikawa, Nakajima, Samegawa, Shirakawa +2
Total length
45km
Max discharge
17,7m³/s
Max Strahler
4
Segments matched
13
River geography7 admin regions · 0 communes
7 administrative regions crossed (GADM L2)
8 intersecting protected areas
Tanagura
IUCN IVPrefectural Wildlife Protection Area
Yamahashi
IUCN IVPrefectural Wildlife Protection Area
Ishikawa
IUCN IVPrefectural Wildlife Protection Area
Sekisan
IUCN VPrefectural Nature Conservation Area
Sawai
IUCN IVPrefectural Wildlife Protection Area
Nishino
IUCN IVPrefectural Wildlife Protection Area
Asakawa
IUCN IVPrefectural Wildlife Protection Area
Kanayama
IUCN VPrefectural Nature Conservation Area
1 page = 1 named river (aggregation of 13 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
52 distinct species · 72 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 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 社川 : 3 espèces reliées par 4 interactions GloBI sur 2 types (connectance 66.7%, filtre Serrano α=0.2). 1 bulle taxonomique (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
45km
Max discharge
17,7m³/s
Max Strahler
4
Segments matched
13
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.