Ontologia

Rivière· 95 segments

利根川

Crosses 52 administrative regions : Abiko, Bandō, Chiyoda, Chōshi, Fujimi +47

rivière

Total length

319km

Max discharge

244,5m³/s

Max Strahler

6

Segments matched

95

River geography52 admin regions · 0 communes

Parent watershed

hybas-40805776501169 km²

52 administrative regions crossed (GADM L2)

  • Minakami
    Gunma · Japan
    40.3 km
    in this dpt
  • Kawachi
    Ibaraki · Japan
    23.9 km
    in this dpt
  • Noda
    Chiba · Japan
    13.9 km
    in this dpt
  • Shibukawa
    Gunma · Japan
    13.5 km
    in this dpt
  • Inashiki
    Ibaraki · Japan
    12.6 km
    in this dpt
  • Ōta
    Gunma · Japan
    12.3 km
    in this dpt
  • Isesaki
    Gunma · Japan
    11.8 km
    in this dpt
  • Bandō
    Ibaraki · Japan
    10.8 km
    in this dpt
  • Kamisu
    Ibaraki · Japan
    10.1 km
    in this dpt
  • Toride
    Ibaraki · Japan
    10.0 km
    in this dpt
  • Maebashi
    Gunma · Japan
    9.8 km
    in this dpt
  • Tamamura
    Gunma · Japan
    9.8 km
    in this dpt
  • Tone
    Ibaraki · Japan
    9.6 km
    in this dpt
  • Meiwa
    Gunma · Japan
    9.5 km
    in this dpt
  • Water body
    Ibaraki · Japan
    9.4 km
    in this dpt
  • Numata
    Gunma · Japan
    7.2 km
    in this dpt
  • Moriya
    Ibaraki · Japan
    6.3 km
    in this dpt
  • Kitakawabe
    Saitama · Japan
    6.1 km
    in this dpt
  • Chiyoda
    Gunma · Japan
    5.6 km
    in this dpt
  • Takasaki
    Gunma · Japan
    5.4 km
    in this dpt
  • Katori
    Chiba · Japan
    4.3 km
    in this dpt
  • Itakura
    Gunma · Japan
    4.2 km
    in this dpt
  • Ōtone
    Saitama · Japan
    3.4 km
    in this dpt
  • Tōnoshō
    Chiba · Japan
    3.3 km
    in this dpt
  • Yoshioka
    Gunma · Japan
    3.2 km
    in this dpt
  • Abiko
    Chiba · Japan
    2.9 km
    in this dpt
  • Narita
    Chiba · Japan
    2.8 km
    in this dpt
  • Koga
    Ibaraki · Japan
    2.8 km
    in this dpt
  • Gyōda
    Saitama · Japan
    1.9 km
    in this dpt
  • Sakai
    Ibaraki · Japan
    1.6 km
    in this dpt
  • Kashiwa
    Chiba · Japan
    1.5 km
    in this dpt
  • Kurihashi
    Saitama · Japan
    1.5 km
    in this dpt
  • Shōwa
    Gunma · Japan
    1.3 km
    in this dpt
  • Chōshi
    Chiba · Japan
    1.0 km
    in this dpt
  • Honjō
    Saitama · Japan
    0.6 km
    in this dpt
  • Kazo
    Saitama · Japan
    0.4 km
    in this dpt
  • Jōsō
    Ibaraki · Japan
    0.2 km
    in this dpt
  • Sakae
    Chiba · Japan
    0.0 km
    in this dpt
  • Inzai
    Chiba · Japan
    0.0 km
    in this dpt
  • Kumagaya
    Saitama · Japan
    0.0 km
    in this dpt
  • Goka
    Ibaraki · Japan
    0.0 km
    in this dpt
  • Sugito
    Saitama · Japan
    0.0 km
    in this dpt
  • Ōizumi
    Gunma · Japan
    0.0 km
    in this dpt
  • Fujioka
    Gunma · Japan
    0.0 km
    in this dpt
  • Fujimi
    Gunma · Japan
    0.0 km
    in this dpt
  • Ryūgasaki
    Ibaraki · Japan
    0.0 km
    in this dpt
  • Kōzaki
    Chiba · Japan
    0.0 km
    in this dpt
  • Uonuma
    Niigata · Japan
    0.0 km
    in this dpt
  • Fukaya
    Saitama · Japan
    0.0 km
    in this dpt
  • Hanyū
    Saitama · Japan
    0.0 km
    in this dpt
  • Kamisato
    Saitama · Japan
    0.0 km
    in this dpt
  • Kasukabe
    Saitama · Japan
    0.0 km
    in this dpt

19 intersecting protected areas

10 more protected areas

1 page = 1 named river (aggregation of 95 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

676 distinct species · 18 407 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 28 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 利根川 : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 3 types (connectance 13.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
58
Connectance
0.133
Patrimoniales
1
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

319km

Max discharge

244,5m³/s

Max Strahler

6

Segments matched

95

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