Rivière· 2 segments
Le Vieil Allier
Crosses 2 administrative regions : Allier, Nièvre
Total length
1km
Max discharge
130,1m³/s
Max Strahler
5
Segments matched
2
River geography2 admin regions · 5 communes
2 administrative regions crossed (GADM L2)
5 communes (L5)For countries with L5
- Chantenay-Saint-Imbert3.69 km
- Saint-Léopardin-d'Augy0.00 km
- Aubigny0.00 km
- Tresnay0.00 km
- Livry0.00 km
5 intersecting protected areas
Val d'Allier Bourbonnais
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallées de la Loire et de l'Allier entre Cher et Nièvre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de l'Allier nord
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Rivière Allier
IUCN IVBiotope Protection Order
Biotope Protection Order
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
Sample of 31 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).
Indicateurs du tissu écologique
Tissu écologique de Le Vieil Allier : 26 espèces + 5 bulles famille, 71 interactions GloBI documentées sur 5 types (connectance 15.3%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
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.