Ruisseau· 10 segments
葛根田川
Crosses 1 administrative regions : Shizukuishi
Total length
29km
Max discharge
5,2m³/s
Max Strahler
3
Segments matched
10
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- ShizukuishiIwate · Japan17.9 kmin this dpt
6 intersecting protected areas
Towada hachimantai
IUCN IINational Park
Hachimantai
IUCN IVPrefectural Wildlife Protection Area
Forest Ecosystem Reserve
Shizukuishicho
IUCN IVPrefectural Wildlife Protection Area
Shizukuishicho shinozaki
IUCN IVPrefectural Wildlife Protection Area
Environmental Green Space Conservation Area(Iwate)
1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
100 distinct species · 140 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 2 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 葛根田川 : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, 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
5,2m³/s
Max Strahler
3
Segments matched
10
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.