Special Protection Area (Birds Directive) · FRA
Estuaire de la Loire
- Area
- 202 km²
- IUCN cat.
- Not Reported
- Year
- 2018
Overview
- Designation
- Special Protection Area (Birds Directive)
- Established
- 2018
- 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
1 320 distinct species · 15 855 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Estuaire de la Loire : 29 espèces + 7 bulles famille, 62 interactions GloBI documentées sur 5 types (connectance 9.8%, filtre Serrano α=0.2). Les 7 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).
Hydrology8 basins · 2 lakes · 30 rivers
Hydrology metrics for this exact territory
Stream length here
105,9km
Lake surface here
0,21km²
Basins crossed
8
Max stream order
7
Max drainage
116 723km²
Discharge in basins
730,4m³/s
Mean precip.
802mm/an
Mean T°
11,7°C
Moisture idx
-0,01
Max snow
6%
Mean runoff
520mm/an
Mean elev. (basins)
23m
Watersheds crossing here
- Bassin de la Loiresub-area190,5 km²overlap56.46 km²28%
- Bassin de Étier du Portsub-area155,9 km²overlap49.68 km²25%
- Bassin de la Boulognesub-area1 269 km²overlap37.47 km²19%
- Bassin du Brivetsub-area1 137,7 km²overlap28.49 km²14%
- Bassin du Falleronsub-area1 306,9 km²overlap13.37 km²7%
- Bassin de la Loiresub-area2 002,8 km²overlap0.91 km²0%
- Bassin de la Sèvre Nantaisesub-area5,7 km²overlap0.64 km²0%
- Bassin de l'Erdresub-area1 018,5 km²overlap0.57 km²0%
Lakes (2, top by area)
Rivers / streams (30, ord ≥ 4)
- La Loireord 7len here27.17 km3%total974 km
- L'Acheneauord 4len here17.41 km94%total18 km
- Bras de Cordemaisord 7len here6.80 km90%total8 km
- Le Sylord 2len here6.45 km100%total6 km
- Canal Maritime de la Basse Loireord 4len here5.76 km98%total6 km
- Étier du Portord 2len here4.94 km64%total8 km
- Canal de la Tailléeord 3len here4.83 km41%total12 km
- Étier de Vairord 7len here4.78 km84%total6 km
- Canal de Martignéord 3len here3.99 km38%total11 km
- Douve de l'Îleord 4len here3.85 km44%total9 km
- Ruisseau de Savenayord 1len here3.33 km94%total4 km
- Le Boireauord 7len here2.69 km46%total6 km
18 more river segmentssorted by Strahler order + length
- La Sèvre Nantaiseord 7len here2.26 km2%total133 km
- La Jaguèreord 7len here1.73 km47%total4 km
- Étier des Rouxièresord 1len here1.72 km100%total2 km
- Petit Donord 1len here1.40 km100%total1 km
- Canal du Marais de la Rocheord 1len here1.26 km68%total2 km
- Ruisseau des Courillonsord 1len here0.93 km43%total2 km
- Étier de la Mabilaisord 1len here0.82 km70%total1 km
- Ruisseau de Bougonord 1len here0.81 km21%total4 km
- Canal de Martignéord 1len here0.77 km61%total1 km
- Étier de la Boumaord 1len here0.62 km38%total2 km
- La Blancheord 2len here0.62 km6%total10 km
- La Loire - Bras de Pirmilord 3len here0.35 km34%total1 km
- L'Erdreord 3len here0.35 km1%total65 km
- La Chézineord 1len here0.22 km2%total12 km
- Ruisseau de la Blanchardaisord 1len here0.00 km0%total1 km
- Le Tenuord 3len here≈ tangenttotal26 km
- Douve du Largeord 4len here≈ tangenttotal6 km
- Canal de Trignacord 3len here≈ tangenttotal6 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
- 47.24686, -1.83590
- 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.