Ontologia

Rivière· 2 segments

Le Vieil Allier

Crosses 2 administrative regions : Allier, Nièvre

rivière

Total length

1km

Max discharge

130,1m³/s

Max Strahler

5

Segments matched

2

River geography2 admin regions · 5 communes

Parent watershed

hybas-20805092001789 km²

2 administrative regions crossed (GADM L2)

  • Nièvre
    Bourgogne-Franche-Comté · France
    3.7 km
    in this dpt
  • Allier
    Auvergne-Rhône-Alpes · France
    0.0 km
    in this dpt
5 communes (L5)

5 intersecting protected areas

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

Species present

885 distinct species · 5 967 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Hydrology (HydroRIVERS v10)

Total length

1km

Max discharge

130,1m³/s

Max Strahler

5

Segments matched

2

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