Ruisseau· 3 segments
大栗川
Crosses 4 administrative regions : Fuchū, Hachiōji, Hino, Tama
Total length
17km
Max discharge
0,9m³/s
Max Strahler
2
Segments matched
3
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
6 intersecting protected areas
Tamagawa
IUCN IVPrefectural Wildlife Protection Area
Tama kyuryo
IUCN VPrefectural Natural Park
Kasumigaseki
IUCN VSpecial green space conservation districts
Special green space conservation districts
GREEN WISE Co., Ltd. Head Office
IUCN Not ApplicableOECM
Mogusakomineyato
IUCN VSpecial green space conservation districts
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 753 distinct species · 83 505 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 大栗川 : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 5 types (connectance 10.3%, filtre Serrano α=0.2). 15 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
17km
Max discharge
0,9m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.