Wetland of International Importance (Ramsar Site) · fra
Bassin d'Arcachon - Secteur du delta de la Leyre
- Area
- 53 km²
- IUCN cat.
- Not Reported
- Year
- 2011
Overview
- Designation
- Wetland of International Importance (Ramsar Site)
- Established
- 2011
- Managing authority
- Not Reported
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 857 distinct species · 81 125 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 - Secteur du delta de la Leyre : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 76 interactions GloBI sur 5 types (connectance 14.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology3 basins · 0 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
10,2km
Basins crossed
3
Max stream order
4
Max drainage
2 315km²
Discharge in basins
0,3m³/s
Mean precip.
1 041mm/an
Mean T°
12,7°C
Moisture idx
0,10
Max snow
11%
Mean runoff
469mm/an
Mean elev. (basins)
43m
Watersheds crossing here
Rivers / streams (7, ord ≥ 4)
- Le Bras de l'Eyreord 4len here4.12 km96%total4 km
- Ruisseau de Lantonord 1len here1.97 km15%total13 km
- Craste Baneyreord 1len here1.49 km9%total17 km
- Berle des Cabanassesord 1len here1.23 km8%total16 km
- Aigue Morteord 1len here0.80 km94%total1 km
- L'Eyreord 4len here0.52 km2%total24 km
- Craste Baneyreord 1len here0.10 km8%total1 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
- 44.67302, -1.04655
- 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.