Special Areas of Conservation (Habitats Directive) · fra
Marais de la Seudre
- Area
- 140 km²
- IUCN cat.
- Not Reported
- Year
- 2006
Overview
- Designation
- Special Areas of Conservation (Habitats Directive)
- Established
- 2006
- 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
2 585 distinct species · 64 091 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 de la Seudre : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 61 interactions GloBI sur 3 types (connectance 8.2%, 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).
Hydrology1 basins · 0 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
26,6km
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 (7, ord ≥ 4)
- La Seudreord 3len here11.69 km17%total69 km
- Chenal de Mornacord 3len here5.50 km100%total5 km
- Chenal du Nicotord 1len here2.71 km100%total3 km
- Le Mérardord 2len here2.03 km17%total12 km
- Chenal de Plordonnierord 1len here1.72 km97%total2 km
- Le Griffarinord 3len here1.70 km15%total11 km
- Le Monnardord 2len here1.26 km58%total2 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
- 45.77961, -1.10539
- 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.