CRETES DU DONON-SCHNEEBERG, BAS-RHIN

Location:France
Area:16,828 acres (6,810 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

Soils

Protected Area Boundary
 AB
   
Share 40 %25 %25 %5 %5 %
Soil TypeDystric CambisolsCambic PodzolsDystric CambisolsHaplic PodzolsLithic LeptosolsUmbric Leptosols
Topsoil TextureCoarseCoarseMediumCoarseCoarseCoarse
Reference Depth100 cm100 cm100 cm100 cm10 cm30 cm
DrainageWellSomewhat excessiveModerately wellSomewhat excessiveModerately wellModerately well
Available Water Capacity100 m100 m50 m100 m0 mm15 mm
Phase 1    StonyStony
Root ObstacleNone to 80 cm60 - 80 cmNone to 80 cm60 - 80 cm  
Impermeable LayerNone to 150 cmNone to 150 cm0 - 40 cmNone to 150 cm  
Soil Water RegimeNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 monthNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 monthWet within 80 cm over 6 months, but not wet within 40 cm for over 11 monthNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month  
Topsoil Properties
Gravel10 %3 %10 %3 %21 %10 %
Sand75 %85 %42 %87 %73 %79 %
Silt15 %10 %38 %9 %18 %13 %
Clay10 %5 %20 %4 %9 %8 %
USDA TextureSandy loamLoamy sandLoamLoamy sandSandy loamLoamy sand
Reference Bulk Density1.58 g/cm³1.7 g/cm³1.41 g/cm³1.73 g/cm³1.59 g/cm³1.62 g/cm³
Bulk Density1.49 g/cm³1.41 g/cm³1.3 g/cm³1.4 g/cm³1.45 g/cm³1.45 g/cm³
Organic Carbon0.7 %2.02 %1.45 %2.18 %1.4 %2.59 %
PH5.14.35.14.47.54.7
Clay Cation Exchange Capacity21 cmol kg⁻¹78 cmol kg⁻¹32 cmol kg⁻¹101 cmol kg⁻¹85 cmol kg⁻¹24 cmol kg⁻¹
Soil Cation Exchange Capacity5 cmol kg⁻¹5 cmol kg⁻¹12 cmol kg⁻¹9 cmol kg⁻¹12 cmol kg⁻¹8 cmol kg⁻¹
Base Saturation28 %17 %38 %11 %86 %86 %
Total Exchangeable Bases1.5 cmol kg⁻¹2.5 cmol kg⁻¹4.3 cmol kg⁻¹2.6 cmol kg⁻¹5.2 cmol kg⁻¹5.2 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium5 %0 %2 %1 %1 %0 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel9 %3 %19 %4 %  
Sand68 %86 %45 %88 %  
Silt17 %10 %35 %8 %  
Clay15 %4 %20 %4 %  
USDA TextureSandy loamLoamy sandLoamSand  
Reference Bulk Density1.51 g/cm³1.73 g/cm³1.42 g/cm³1.74 g/cm³  
Bulk Density1.5 g/cm³1.57 g/cm³1.36 g/cm³1.51 g/cm³  
Organic Carbon0.27 %0.51 %0.5 %0.39 %  
PH54.85.25  
Clay Cation Exchange Capacity31 cmol kg⁻¹50 cmol kg⁻¹35 cmol kg⁻¹66 cmol kg⁻¹  
Soil Cation Exchange Capacity5 cmol kg⁻¹2 cmol kg⁻¹9 cmol kg⁻¹2 cmol kg⁻¹  
Base Saturation36 %21 %33 %21 %  
Total Exchangeable Bases1.4 cmol kg⁻¹1.5 cmol kg⁻¹2.6 cmol kg⁻¹1.5 cmol kg⁻¹  
Calcium Carbonate0 %0 %0 %0 %  
Calcium Sulphate0 %0 %0 %0 %  
Exchangeable Sodium5 %0 %2 %3 %  
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 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