Special Areas of Conservation (Habitats Directive) · fra
Marais du Bas Médoc
- Area
- 147 km²
- IUCN cat.
- Not Reported
- Year
- 2015
Overview
- Designation
- Special Areas of Conservation (Habitats Directive)
- Established
- 2015
- 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
2 794 distinct species · 25 538 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 Marais du Bas Médoc : 31 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 147 interactions GloBI sur 6 types (connectance 16.3%, 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).
Hydrology2 basins · 0 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
46,7km
Basins crossed
2
Max stream order
3
Max drainage
1 548km²
Discharge in basins
0,6m³/s
Mean precip.
944mm/an
Mean T°
12,8°C
Moisture idx
0,04
Max snow
7%
Mean runoff
501mm/an
Mean elev. (basins)
16m
Watersheds crossing here
Rivers / streams (10, ord ≥ 4)
- Chenal du Guaord 2len here9.63 km94%total10 km
- Chenal de Richardord 3len here8.27 km94%total9 km
- Chenal de la Fosseord 2len here7.67 km100%total8 km
- Chenal de Talaisord 1len here4.30 km100%total4 km
- Craste de Beausoleilord 2len here4.24 km62%total7 km
- Chenal de Capseyord 1len here4.19 km95%total4 km
- Chenal de Guyord 3len here3.39 km67%total5 km
- Jalle de Lherneauord 2len here2.01 km69%total3 km
- Chenal de Neyranord 2len here1.85 km100%total2 km
- Ruisseau de la Maillardeord 2len here1.20 km16%total7 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
- 45.38806, -0.98162
- 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.