Estuaire de la Loire - Baie de Bourgneuf
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2008
802 km²
Commune · FRA
Pornic
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
3 217
Observations
53 604
Area
95,8km²
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
3 217 distinct species · 53 604 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,4°C
Annual rain
787mm
Warmest m°
22,4°C
Coldest m°
3,8°C
Elevation: 22 m on average (min -2 m, max 48 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,4°C
Annual rain
787mm
Warmest month
22,4°C
Coldest month
3,8°C
Mean alt.
22m
Min
-2m
Max
48m
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)
Soil & lithology
pH H₂O
6,2
Org. C
40,2g/kg
Clay
25,7%
Sand
31,4%
Silt
43,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Loire-Atlantique
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
68,1g/kg
Clay
24,8%
Sand
31,4%
Silt
43,8%
5–15 cm
pH H₂O
6,2
Org. C
29,3g/kg
Clay
25,4%
Sand
30,9%
Silt
43,7%
15–30 cm
pH H₂O
6,2
Org. C
23,1g/kg
Clay
26,9%
Sand
31,9%
Silt
41,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest12.7%
Crops45.3%
Built-up2.7%
Bare soil0.7%
Other (grassland, water…)38.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
11,1km
Basins crossed
1
Max stream order
2
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
0,8nW
Built-up
270,9%
Pesticides
43,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN Not Reported · 4IUCN IV · 2🌊 Marine · 5
Marais Breton, Baie de Bourgneuf, Ile de Noirmoutier et Forêt de Monts
IUCN IVWetland of International Importance (Ramsar Site) · 2017
558 km²
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
Estuaire de la Loire Sud - Baie de Bourgneuf
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
495 km²
Port aux goths-portmain
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 1982
1 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.