Ontologia

Rivière· 7 segments

安曇川

Crosses 2 administrative regions : Takashima, Ōtsu

rivière

Total length

48km

Max discharge

10,1m³/s

Max Strahler

4

Segments matched

7

River geography2 admin regions · 0 communes

Parent watershed

hybas-40806099602540 km²

2 administrative regions crossed (GADM L2)

  • Takashima
    Shiga · Japan
    25.2 km
    in this dpt
  • Ōtsu
    Shiga · Japan
    7.7 km
    in this dpt

6 intersecting protected areas

1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

154 distinct species · 681 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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 安曇川 : 29 espèces reliées par 47 interactions GloBI sur 3 types (connectance 7.9%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
47
Connectance
0.079
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

48km

Max discharge

10,1m³/s

Max Strahler

4

Segments matched

7

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