Marais Breton, Baie de Bourgneuf, Ile de Noirmoutier et Forêt de Monts
IUCN IVWetland of International Importance (Ramsar Site) · 2017
558 km²
Commune · FRA
La Bernerie-en-Retz
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 046
Observations
22 118
Area
6,1km²
Ecological tissue
Sample of 42 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 La Bernerie-en-Retz : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 6 types (connectance 10.6%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
43
Interactions affichées
96
Connectance
0.106
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 046 distinct species · 22 118 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,4°C
Annual rain
781mm
Warmest m°
22,5°C
Coldest m°
3,7°C
Elevation: 23 m on average (min 2 m, max 32 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,4°C
Annual rain
781mm
Warmest month
22,5°C
Coldest month
3,7°C
Mean alt.
23m
Min
2m
Max
32m
Std. dev.
10m
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)
Hydrology1 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
1
Max drainage
1 307km²
Discharge in basins
0,0m³/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
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
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.