Secteur marin de l'île d'Yeu jusqu'au continent

Location:France
Area:606,421 acres (245,410 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Cfb (Climate: warm temperate; Precipitation: fully humid; Temperature: warm summer)
Natura 2000 Data Sheet:View Data Sheet  Explanatory notes

Ecoregions

Atlantic mixed forests

Soils

Protected Area Boundary
 AB
   
Share 90 %10 %
Soil TypeEutric RegosolsUmbric LeptosolsLithic Leptosols
Topsoil TextureCoarseCoarseCoarse
Reference Depth100 cm30 cm10 cm
DrainageSomewhat excessiveModerately wellModerately well
Available Water Capacity100 m15 mm0 mm
Phase 1 StonyStony
Root ObstacleNone to 80 cm  
Impermeable LayerNone to 150 cm  
Soil Water RegimeNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month  
Topsoil Properties
Gravel15 %10 %21 %
Sand83 %79 %73 %
Silt11 %13 %18 %
Clay6 %8 %9 %
USDA TextureLoamy sandLoamy sandSandy loam
Reference Bulk Density1.67 g/cm³1.62 g/cm³1.59 g/cm³
Bulk Density1.3 g/cm³1.45 g/cm³1.45 g/cm³
Organic Carbon0.5 %2.59 %1.4 %
PH6.64.77.5
Clay Cation Exchange Capacity50 cmol kg⁻¹24 cmol kg⁻¹85 cmol kg⁻¹
Soil Cation Exchange Capacity5 cmol kg⁻¹8 cmol kg⁻¹12 cmol kg⁻¹
Base Saturation93 %86 %86 %
Total Exchangeable Bases4.2 cmol kg⁻¹5.2 cmol kg⁻¹5.2 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium3 %0 %1 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel22 %  
Sand80 %  
Silt11 %  
Clay9 %  
USDA TextureLoamy sand  
Reference Bulk Density1.6 g/cm³  
Bulk Density1.22 g/cm³  
Organic Carbon0.3 %  
PH6.7  
Clay Cation Exchange Capacity44 cmol kg⁻¹  
Soil Cation Exchange Capacity4 cmol kg⁻¹  
Base Saturation76 %  
Total Exchangeable Bases2.8 cmol kg⁻¹  
Calcium Carbonate0 %  
Calcium Sulphate0 %  
Exchangeable Sodium3 %  
Electrical Conductivity0.1 dS m-1  
Soil data provided by FAO/IIASA/ISRIC/ISSCAS/JRC, 2012. Harmonized World Soil Database (version 1.2). FAO, Rome, Italy and IIASA, Laxenburg, Austria.
Köppen climate classification provided by Kottek, M., J. Grieser, C. Beck, B. Rudolf, and F. Rubel, 2006: World Map of Köppen-Geiger Climate Classification updated. Meteorol. Z., 15, 259-263