Baie du Mont Saint-Michel
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1994
459 km²
Commune · FRA
Brécey
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
809
Observations
18 441
Area
21,6km²
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Species present
809 distinct species · 18 441 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,2°C
Annual rain
1 061mm
Warmest m°
21,4°C
Coldest m°
2,8°C
Elevation: 63 m on average (min 42 m, max 109 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,2°C
Annual rain
1 061mm
Warmest month
21,4°C
Coldest month
2,8°C
Mean alt.
63m
Min
42m
Max
109m
Std. dev.
12m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,0
Org. C
38,8g/kg
Clay
22,3%
Sand
19,3%
Silt
58,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Manche
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
64,7g/kg
Clay
21,7%
Sand
19,4%
Silt
58,9%
5–15 cm
pH H₂O
6,0
Org. C
32,1g/kg
Clay
22,1%
Sand
18,5%
Silt
59,3%
15–30 cm
pH H₂O
6,1
Org. C
19,7g/kg
Clay
23,1%
Sand
20,0%
Silt
57,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest10.3%
Crops52.9%
Built-up1.8%
Bare soil0.7%
Other (grassland, water…)34.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
8,4km
Basins crossed
1
Max stream order
3
Max drainage
469km²
Discharge in basins
0,6m³/s
Mean precip.
780mm/an
Mean T°
10,6°C
Moisture idx
0,05
Max snow
6%
Mean runoff
751mm/an
Mean elev. (basins)
144m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,4nW
Built-up
177,4%
Pesticides
29,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2🌊 Marine · 1
Vallée de la Sée
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
14 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.