Ruisseau· 10 segments
石手川
Crosses 1 administrative regions : Matsuyama
Total length
29km
Max discharge
2,6m³/s
Max Strahler
2
Segments matched
10
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- MatsuyamaEhime · Japan21.0 kmin this dpt
2 intersecting protected areas
Okudogo tama gawa
IUCN VPrefectural Natural Park
Shimoidai dogoyama
IUCN IVPrefectural Wildlife Protection Area
1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
107 distinct species · 138 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 石手川 : 13 espèces reliées par 7 interactions GloBI sur 3 types (connectance 9.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
29km
Max discharge
2,6m³/s
Max Strahler
2
Segments matched
10
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.