Ontologia

Ruisseau

前松尾沢

Crosses 2 administrative regions : Myōkō, Otari

ruisseau

Total length

1km

Max discharge

0,6m³/s

Max Strahler

1

Segments matched

1

River geography2 admin regions · 0 communes

Parent watershed

hybas-4080043020735 km²

2 administrative regions crossed (GADM L2)

  • Otari
    Nagano · Japan
    4.3 km
    in this dpt
  • Myōkō
    Niigata · Japan
    0.0 km
    in this dpt

4 intersecting protected areas

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

Species present

260 distinct species · 576 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 11 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 前松尾沢 : 10 espèces reliées par 9 interactions GloBI sur 3 types (connectance 16.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
9
Connectance
0.164
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

1km

Max discharge

0,6m³/s

Max Strahler

1

Segments matched

1

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