Ontologia

Ruisseau· 2 segments

松田川

Crosses 3 administrative regions : Ashikaga, Kiryū, Ōta

ruisseau

Total length

61km

Max discharge

11,7m³/s

Max Strahler

3

Segments matched

2

River geography3 admin regions · 0 communes

Parent watershed

hybas-40805775402572 km²

3 administrative regions crossed (GADM L2)

  • Ashikaga
    Tochigi · Japan
    9.7 km
    in this dpt
  • Kiryū
    Gunma · Japan
    0.0 km
    in this dpt
  • Ōta
    Gunma · Japan
    0.0 km
    in this dpt

2 intersecting protected areas

  • Gyodosan

    IUCN IV

    Prefectural Wildlife Protection Area

  • Ashikaga

    IUCN V

    Prefectural Natural Park

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

Species present

175 distinct species · 400 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 16 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 松田川 : 15 espèces reliées par 13 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
13
Connectance
0.108
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

61km

Max discharge

11,7m³/s

Max Strahler

3

Segments matched

2

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