Ruisseau· 4 segments
桐生川
Crosses 4 administrative regions : Ashikaga, Kiryū, Midori, Sano
Total length
32km
Max discharge
1,7m³/s
Max Strahler
2
Segments matched
4
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
2 intersecting protected areas
Azumayama nanmen
IUCN IVPrefectural Wildlife Protection Area
Umeda
IUCN IVPrefectural Wildlife Protection Area
1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
213 distinct species · 301 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 桐生川 : 14 espèces reliées par 9 interactions GloBI sur 4 types (connectance 9.9%, 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
32km
Max discharge
1,7m³/s
Max Strahler
2
Segments matched
4
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.