Ruisseau
宝川
Crosses 1 administrative regions : Minakami
Total length
37km
Max discharge
0,8m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- MinakamiGunma · Japan8.1 kmin this dpt
4 intersecting protected areas
Minakami
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Mikuni Line
IUCN VGreen Corridor
Prefectural Nature Conservation Area
Takara gawa
IUCN VPrefectural Nature Conservation Area
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
421 distinct species · 650 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 50 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 宝川 : 44 espèces reliées par 48 interactions GloBI sur 4 types (connectance 3.9%, filtre Serrano α=0.2). 6 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
37km
Max discharge
0,8m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.