Ruisseau
Le Vezan
Crosses 1 administrative regions : Allier
Total length
18km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 6 communes
1 administrative regions crossed (GADM L2)
- AllierAuvergne-Rhône-Alpes · France11.4 kmin this dpt
6 communes (L5)For countries with L5
- Châtel-de-Neuvre4.39 km
- Bresnay3.47 km
- Meillard2.33 km
- Cressanges0.67 km
- Treban0.55 km
- La Ferté-Hauterive0.00 km
6 intersecting protected areas
Val d'Allier Bourbonnais
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallée de l'Allier nord
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Val D\'Allier
IUCN IVNational Nature Reserve
Land acquired by a regional conservatory of natural areas
val d\'allier - les graves
IUCN IVLand acquired by a regional conservatory of natural areas
val d\'allier - boudemange
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
790 distinct species · 1 520 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Vezan : 32 espèces + 6 bulles famille, 82 interactions GloBI documentées sur 5 types (connectance 11.7%, filtre Serrano α=0.2). Les 6 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
18km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.