National Nature Reserve · fra
Val D\'Allier
- Area
- 15 km²
- IUCN cat.
- IV
- Year
- 1994
Overview
- Designation
- National Nature Reserve
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1994
- Managing authority
- French Ministry in charge of the environment. In march 2012, name, acronym and address as follows : Ministère de l'Écologie, du Développement durable, des Transports et du Logement (MEDDTL) 92055 La Défense Cedex France. For nature reserves network,
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
2 389 distinct species · 24 722 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Val D\'Allier : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 1 bulle famille, 51 interactions GloBI documentées sur 4 types (connectance 7.7%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology3 basins · 0 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
23,9km
Basins crossed
3
Max stream order
5
Max drainage
14 308km²
Discharge in basins
1,2m³/s
Mean precip.
745mm/an
Mean T°
10,7°C
Moisture idx
-0,16
Max snow
8%
Mean runoff
256mm/an
Mean elev. (basins)
264m
Watersheds crossing here
Rivers / streams (9, ord ≥ 4)
- L'Allierord 5len here19.88 km6%total351 km
- Ruisseau du Moulinord 1len here0.85 km13%total7 km
- La Sonnanteord 1len here0.78 km4%total19 km
- Ruisseau des Veinesord 1len here0.74 km10%total7 km
- La Guèzeord 2len here0.54 km5%total10 km
- Le Vezanord 1len here0.50 km4%total11 km
- La Siouleord 4len here0.37 km0%total144 km
- Le Luzerayord 2len here0.19 km1%total17 km
- Ruisseau des Logèresord 2len here0.07 km1%total5 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 46.43821, 3.33290
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.