Rivière
三堂川
Crosses 1 administrative regions : Satsumasendai
Total length
1km
Max discharge
67,7m³/s
Max Strahler
4
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- SatsumasendaiKagoshima · Japan5.6 kmin this dpt
3 intersecting protected areas
Sendai gawa ryuiki
IUCN VPrefectural Natural Park
Terayama
IUCN IVPrefectural Wildlife Protection Area
Chugoike shuhen
IUCN IVPrefectural Wildlife Protection Area
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
86 distinct species · 131 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 三堂川 : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 10 interactions GloBI sur 2 types (connectance 6.5%, 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
1km
Max discharge
67,7m³/s
Max Strahler
4
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.