Ontologia

Rivière· 26 segments

鬼怒川

Crosses 13 administrative regions : Chikusei, Jōsō, Kaminokawa, Mōka, Nikkō +8

rivière

Total length

181km

Max discharge

29,3m³/s

Max Strahler

4

Segments matched

26

River geography13 admin regions · 0 communes

Parent watershed

hybas-4080574090301 km²

13 administrative regions crossed (GADM L2)

  • Nikkō
    Tochigi · Japan
    43.0 km
    in this dpt
  • Utsunomiya
    Tochigi · Japan
    24.8 km
    in this dpt
  • Oyama
    Tochigi · Japan
    12.5 km
    in this dpt
  • Yūki
    Ibaraki · Japan
    9.1 km
    in this dpt
  • Kaminokawa
    Tochigi · Japan
    8.5 km
    in this dpt
  • Shimotsuke
    Tochigi · Japan
    6.5 km
    in this dpt
  • Shioya
    Tochigi · Japan
    4.0 km
    in this dpt
  • Jōsō
    Ibaraki · Japan
    3.0 km
    in this dpt
  • Ninomiya
    Tochigi · Japan
    2.4 km
    in this dpt
  • Chikusei
    Ibaraki · Japan
    1.4 km
    in this dpt
  • Sakura
    Tochigi · Japan
    0.0 km
    in this dpt
  • Takanezawa
    Tochigi · Japan
    0.0 km
    in this dpt
  • Mōka
    Tochigi · Japan
    0.0 km
    in this dpt

16 intersecting protected areas

7 more protected areas

1 page = 1 named river (aggregation of 26 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

148 distinct species · 479 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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 鬼怒川 : 31 espèces reliées par 27 interactions GloBI sur 3 types (connectance 5.1%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
27
Connectance
0.051
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

181km

Max discharge

29,3m³/s

Max Strahler

4

Segments matched

26

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