Special Protection Area (Birds Directive) · fra
Estuaire de la Gironde : marais du Blayais
- Area
- 69 km²
- IUCN cat.
- Not Reported
- Year
- 2019
Overview
- Designation
- Special Protection Area (Birds Directive)
- Established
- 2019
- 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
1 269 distinct species · 21 399 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Gironde : marais du Blayais : 31 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 101 interactions GloBI sur 5 types (connectance 11.7%, filtre Serrano α=0.2). 11 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 · 11 rivers
Hydrology metrics for this exact territory
Stream length here
28,2km
Basins crossed
1
Max stream order
3
Max drainage
2 220km²
Discharge in basins
0,0m³/s
Mean precip.
870mm/an
Mean T°
12,6°C
Moisture idx
-0,01
Max snow
4%
Mean runoff
529mm/an
Mean elev. (basins)
23m
Watersheds crossing here
Rivers / streams (11, ord ≥ 4)
- Levée de Marquetord 3len here6.48 km100%total6 km
- La Ceintureord 1len here4.00 km67%total6 km
- Le Quinze Piedsord 3len here3.34 km100%total3 km
- Canal Belletord 3len here2.68 km100%total3 km
- Ruisseau des Grandes Nauvesord 1len here2.41 km43%total6 km
- Canal de la Chauxord 1len here2.39 km56%total4 km
- Canal de la Dussaudeord 1len here2.34 km100%total2 km
- Ruisseau de la Moulinadeord 2len here1.53 km17%total9 km
- Ruisseau de Foursord 1len here1.40 km54%total3 km
- La Couléeord 2len here1.09 km31%total4 km
- La Livenneord 3len here0.55 km2%total25 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
- 45.22944, -0.63360
- 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.