Ontologia

Ruisseau· 3 segments

下条川

Crosses 4 administrative regions : Kamo, Niigata, Sanjō, Tagami

ruisseau

Total length

26km

Max discharge

0,8m³/s

Max Strahler

2

Segments matched

3

River geography4 admin regions · 0 communes

Parent watershed

hybas-40800431801612 km²

4 administrative regions crossed (GADM L2)

  • Kamo
    Niigata · Japan
    11.1 km
    in this dpt
  • Sanjō
    Niigata · Japan
    0.2 km
    in this dpt
  • Niigata
    Niigata · Japan
    0.0 km
    in this dpt
  • Tagami
    Niigata · Japan
    0.0 km
    in this dpt

1 intersecting protected areas

  • Kamoyama

    IUCN IV

    Prefectural Wildlife Protection Area

1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

51 distinct species · 69 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 10 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 下条川 : 10 espèces reliées par 7 interactions GloBI sur 2 types (connectance 15.6%, filtre Serrano α=0.2).

Espèces affichées
10
Interactions affichées
7
Connectance
0.156
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

26km

Max discharge

0,8m³/s

Max Strahler

2

Segments matched

3

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