Ontologia

Ruisseau· 11 segments

那珂川

Crosses 5 administrative regions : Fukuoka, Kasuga, Miyaki, Nakagawa, Yoshinogari

ruisseau

Total length

184km

Max discharge

4,2m³/s

Max Strahler

2

Segments matched

11

River geography5 admin regions · 0 communes

Parent watershed

hybas-40800399301325 km²

5 administrative regions crossed (GADM L2)

  • Nakagawa
    Fukuoka · Japan
    18.2 km
    in this dpt
  • Fukuoka
    Fukuoka · Japan
    14.7 km
    in this dpt
  • Kasuga
    Fukuoka · Japan
    1.8 km
    in this dpt
  • Yoshinogari
    Saga · Japan
    1.4 km
    in this dpt
  • Miyaki
    Saga · Japan
    0.0 km
    in this dpt

22 intersecting protected areas

13 more protected areas

  • Notame

    IUCN V

    Special green space conservation districts

  • Ooike

    IUCN V

    Special green space conservation districts

  • Wakahisa

    IUCN V

    Special green space conservation districts

  • Kamikawabata

    IUCN V

    Special green space conservation districts

  • Yayoi no mori

    IUCN V

    Special green space conservation districts

  • Wada

    IUCN V

    Special green space conservation districts

  • Tenjin

    IUCN V

    Special green space conservation districts

  • Takamiya nishi

    IUCN V

    Special green space conservation districts

  • Taga kita

    IUCN V

    Special green space conservation districts

  • Minamioohashi

    IUCN V

    Special green space conservation districts

  • Heiwa

    IUCN V

    Special green space conservation districts

  • Taga nishi

    IUCN V

    Special green space conservation districts

  • Ooike nishi

    IUCN V

    Special green space conservation districts

1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

218 distinct species · 2 138 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 24 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 那珂川 : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 4 types (connectance 12.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
39
Connectance
0.120
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

184km

Max discharge

4,2m³/s

Max Strahler

2

Segments matched

11

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