Ontologia

Rivière· 2 segments

江川放水路

Crosses 3 administrative regions : Kaminokawa, Mōka, Utsunomiya

rivière

Total length

4km

Max discharge

28,5m³/s

Max Strahler

4

Segments matched

2

River geography3 admin regions · 0 communes

Parent watershed

hybas-4080574090301 km²

3 administrative regions crossed (GADM L2)

  • Utsunomiya
    Tochigi · Japan
    16.9 km
    in this dpt
  • Kaminokawa
    Tochigi · Japan
    3.6 km
    in this dpt
  • Mōka
    Tochigi · Japan
    0.0 km
    in this dpt

3 intersecting protected areas

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

162 distinct species · 1 133 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 35 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de 江川放水路 : 29 espèces reliées par 51 interactions GloBI sur 4 types (connectance 8.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
51
Connectance
0.086
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

4km

Max discharge

28,5m³/s

Max Strahler

4

Segments matched

2

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.