Special Areas of Conservation (Habitats Directive) · fra
Vallée de l'Aulne
- Area
- 36 km²
- IUCN cat.
- Not Reported
- Year
- 2014
Overview
- Designation
- Special Areas of Conservation (Habitats Directive)
- Established
- 2014
- Managing authority
- See European Environment Agency Geospatial Data Catalogue for more information - https://sdi.eea.europa.eu/catalogue/srv/api/records/be2142b0-7dc4-42e3-afac-f7cc5f1a9ac6
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
434 distinct species · 4 463 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Vallée de l'Aulne : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 106 interactions GloBI sur 5 types (connectance 14.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 0 lakes · 17 rivers
Hydrology metrics for this exact territory
Stream length here
72,2km
Basins crossed
1
Max stream order
5
Max drainage
1 790km²
Discharge in basins
1,3m³/s
Mean precip.
1 024mm/an
Mean T°
10,7°C
Moisture idx
0,34
Max snow
7%
Mean runoff
932mm/an
Mean elev. (basins)
158m
Watersheds crossing here
Rivers / streams (17, ord ≥ 4)
- L'Aulneord 5len here33.89 km23%total150 km
- Ruisseau de Lostanlenord 4len here7.56 km65%total12 km
- Stêr Goanesord 3len here4.70 km27%total17 km
- L'Hyèresord 4len here4.28 km8%total57 km
- Le Crannord 5len here3.84 km52%total7 km
- Le Ster Goanezord 3len here3.67 km53%total7 km
- Le Coat Quéveranord 1len here2.45 km75%total3 km
- Stêr ar C'hoadord 2len here2.15 km47%total5 km
- Le Vernicord 1len here2.06 km32%total6 km
- Le Beurc'hoatord 3len here1.78 km17%total10 km
- Canal de Nantes à Brestord 5len here1.63 km4%total36 km
- le Pont ar C'hlaouord 1len here1.27 km38%total3 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
- 48.28481, -3.70881
- 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.