Secteur de l'île d'Yeu
IUCN Not ReportedMarine Protected Area (OSPAR) · 2012
2 456 km²
Commune · FRA
France
Species observed
2 610
Observations
38 246
Area
28,1km²
Sample of 41 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).
Tissu écologique de Bretignolles-sur-Mer : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 106 interactions GloBI sur 6 types (connectance 12.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
2 610 distinct species · 38 246 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
12,9°C
Annual rain
838mm
Warmest m°
21,8°C
Coldest m°
5,1°C
Elevation: 13 m on average (min -6 m, max 30 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,6
Org. C
44,1g/kg
Clay
27,9%
Sand
29,4%
Silt
42,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Vendée
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
5,6km
Basins crossed
1
Max stream order
3
Max drainage
893km²
Discharge in basins
0,0m³/s
Mean precip.
827mm/an
Mean T°
12,1°C
Moisture idx
0,04
Max snow
3%
Mean runoff
555mm/an
Mean elev. (basins)
35m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
1hab/km²
Night light
0,6nW
Built-up
409,3%
Pesticides
42,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Marine Protected Area (OSPAR) · 2012
2 456 km²
Special Protection Area (Birds Directive) · 2008
2 456 km²
Special Protection Area (Birds Directive) · 2018
29 km²
Special Areas of Conservation (Habitats Directive) · 2015
29 km²
Special Areas of Conservation (Habitats Directive) · 2015
11 km²
Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 1995
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.