Marais Breton, Baie de Bourgneuf, Ile de Noirmoutier et Forêt de Monts
IUCN IVWetland of International Importance (Ramsar Site) · 2017
558 km²
Commune · FRA
Saint-Jean-de-Monts
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 050
Observations
38 601
Area
61,7km²
Ecological tissue
Sample of 40 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-Jean-de-Monts : 33 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 68 interactions GloBI sur 6 types (connectance 8.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
41
Interactions affichées
68
Connectance
0.083
Patrimoniales
4
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 050 distinct species · 38 601 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,9°C
Annual rain
806mm
Warmest m°
21,9°C
Coldest m°
4,8°C
Elevation: 2 m on average (min -1 m, max 7 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,9°C
Annual rain
806mm
Warmest month
21,9°C
Coldest month
4,8°C
Mean alt.
2m
Min
-1m
Max
7m
Std. dev.
2m
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
6,8
Org. C
48,3g/kg
Clay
32,4%
Sand
26,1%
Silt
41,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Vendée
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,8
Org. C
77,3g/kg
Clay
32,1%
Sand
26,0%
Silt
41,9%
5–15 cm
pH H₂O
6,8
Org. C
42,3g/kg
Clay
32,2%
Sand
25,7%
Silt
42,2%
15–30 cm
pH H₂O
6,8
Org. C
25,3g/kg
Clay
32,9%
Sand
26,7%
Silt
40,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest16.3%
Crops31.6%
Built-up3.1%
Bare soil1.3%
Other (grassland, water…)47.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
11,2km
Basins crossed
1
Max stream order
1
Max drainage
1 307km²
Discharge in basins
0,1m³/s
Mean precip.
832mm/an
Mean T°
11,9°C
Moisture idx
0,04
Max snow
5%
Mean runoff
538mm/an
Mean elev. (basins)
14m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,4nW
Built-up
305,9%
Pesticides
41,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN IV · 1🌊 Marine · 3
Marais Breton, baie de Bourgneuf, île de Noirmoutier et forêt de Monts
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
558 km²
Marais Breton, baie de Bourgneuf, île de Noirmoutier et forêt de Monts
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
524 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.