Special Protection Area (Birds Directive) · fra
Baie du Mont Saint-Michel
- Area
- 471 km²
- IUCN cat.
- Not Reported
- Year
- 2006
Overview
- Designation
- Special Protection Area (Birds 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
3 072 distinct species · 72 149 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Baie du Mont Saint-Michel : 23 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 91 interactions GloBI sur 4 types (connectance 16.2%, 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).
Hydrology7 basins · 4 lakes · 21 rivers
Hydrology metrics for this exact territory
Stream length here
41,1km
Lake surface here
1,50km²
Basins crossed
7
Max stream order
4
Max drainage
1 112km²
Discharge in basins
1,3m³/s
Mean precip.
742mm/an
Mean T°
11,2°C
Moisture idx
-0,01
Max snow
8%
Mean runoff
573mm/an
Mean elev. (basins)
49m
Watersheds crossing here
- Bassin du Guyoultsub-area627,3 km²overlap83.66 km²18%
- Bassin du Couesnonsub-area1 112,1 km²overlap22.54 km²5%
- Bassin du Tharsub-area363,8 km²overlap16.72 km²4%
- Bassin de Ruisseau de la Dufresnièresub-area77,6 km²overlap13.43 km²3%
- Bassin de la Séesub-area468,7 km²overlap2.99 km²1%
- Bassin de la Sélunesub-area1 046 km²overlap2.44 km²1%
- Basin #21810sub-area3,2 km²overlap2.30 km²0%
Lakes (4, top by area)
Rivers / streams (21, ord ≥ 4)
- Le Couesnonord 4len here15.85 km18%total89 km
- Le Meleucord 2len here4.10 km62%total7 km
- La Séluneord 4len here3.94 km5%total72 km
- La Séeord 3len here2.90 km9%total33 km
- Biez du Meleucord 3len here2.22 km100%total2 km
- Le Biez Jeanord 1len here1.97 km77%total3 km
- Le Tharord 2len here1.68 km8%total21 km
- Le Vergonord 1len here1.07 km20%total5 km
- Le Loisonord 1len here1.07 km11%total10 km
- Le Chênelaisord 2len here0.99 km9%total11 km
- Biez de la Ceinture Nordord 1len here0.79 km39%total2 km
- Ruisseau de Pont Melinord 2len here0.75 km3%total25 km
9 more river segmentssorted by Strahler order + length
- Ruisseau de la Hirlaisord 1len here0.66 km13%total5 km
- Biez de Cardequinord 2len here0.64 km13%total5 km
- Le Lerreord 1len here0.63 km17%total4 km
- Le Lerreord 2len here0.49 km6%total8 km
- Le Ludeord 1len here0.42 km21%total2 km
- Canal des Allemandsord 3len here0.34 km10%total4 km
- Le Tronçonord 2len here0.34 km2%total16 km
- La Guergeord 1len here0.26 km1%total21 km
- Ruisseau du Moulinord 1len here0.03 km1%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
- 48.69476, -1.63550
- 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.