Special Protection Area (Birds Directive) · fra
Bassin d'Arcachon et banc d'Arguin
- Area
- 227 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
3 993 distinct species · 207 031 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Bassin d'Arcachon et banc d'Arguin : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 2 types (connectance 10.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology5 basins · 0 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
10,7km
Basins crossed
5
Max stream order
4
Max drainage
2 315km²
Discharge in basins
0,6m³/s
Mean precip.
1 048mm/an
Mean T°
12,8°C
Moisture idx
0,11
Max snow
11%
Mean runoff
483mm/an
Mean elev. (basins)
29m
Watersheds crossing here
- Bassin de Ruisseau d'Harbarissub-area269,3 km²overlap16.30 km²7%
- Bassin de Crasse de Nézersub-area276,5 km²overlap14.16 km²6%
- Bassin de Craste de Loupdatsub-area1 548,3 km²overlap6.81 km²3%
- Bassin de la Grande Leyresub-area2 314,7 km²overlap4.09 km²2%
- Bassin de Canal des Étangssub-area982,6 km²overlap1.24 km²1%
Rivers / streams (7, ord ≥ 4)
- Le Bras de l'Eyreord 4len here3.11 km73%total4 km
- Canal des Étangsord 4len here2.21 km3%total74 km
- Ruisseau de Lantonord 1len here1.94 km15%total13 km
- Craste Baneyreord 1len here1.62 km10%total17 km
- Berle des Cabanassesord 1len here1.14 km7%total16 km
- Aigue Morteord 1len here0.67 km79%total1 km
- Craste Baneyreord 1len here0.02 km0%total4 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
- 44.65772, -1.07650
- 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.