Baie du Mont Saint-Michel
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2006
471 km²
Commune · FRA
Saint-Georges-de-Gréhaigne
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 620
Observations
22 690
Area
12,2km²
Ecological tissue
Sample of 38 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Saint-Georges-de-Gréhaigne : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 105 interactions GloBI sur 6 types (connectance 14.2%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
105
Connectance
0.142
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 620 distinct species · 22 690 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,7°C
Annual rain
854mm
Warmest m°
21,3°C
Coldest m°
3,6°C
Elevation: 11 m on average (min 6 m, max 60 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,7°C
Annual rain
854mm
Warmest month
21,3°C
Coldest month
3,6°C
Mean alt.
11m
Min
6m
Max
60m
Std. dev.
11m
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
6,6
Org. C
37,0g/kg
Clay
23,8%
Sand
20,7%
Silt
55,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Ille-et-Vilaine
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,4
Org. C
55,5g/kg
Clay
22,1%
Sand
21,1%
Silt
56,9%
5–15 cm
pH H₂O
6,6
Org. C
29,7g/kg
Clay
24,5%
Sand
20,0%
Silt
55,4%
15–30 cm
pH H₂O
6,6
Org. C
25,9g/kg
Clay
24,8%
Sand
21,1%
Silt
54,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest7.6%
Crops60.1%
Built-up0.8%
Bare soil3.7%
Other (grassland, water…)27.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,4km
Basins crossed
2
Max stream order
4
Max drainage
1 112km²
Discharge in basins
0,1m³/s
Mean precip.
739mm/an
Mean T°
11,2°C
Moisture idx
-0,02
Max snow
8%
Mean runoff
545mm/an
Mean elev. (basins)
56m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,4nW
Built-up
84,7%
Pesticides
44,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2🌊 Marine · 2
Baie du Mont Saint-Michel
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1994
459 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.