Marais de la Verne (Péruwelz)

Location:Belgium
Area:252 acres (102 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
 A
  
Share50 %20 %20 %5 %5 %
Soil TypeHaplic ArenosolsLuvic ArenosolsHaplic PodzolsDystric PodzoluvisolsEutric Regosols
Topsoil TextureCoarseCoarseCoarseCoarseCoarse
Reference Depth100 cm100 cm100 cm100 cm100 cm
DrainageSomewhat excessiveModerately wellSomewhat excessiveModerately wellSomewhat excessive
Available Water Capacity100 m100 m50 m75 m100 m
Phase 1  StonyStony 
Root ObstacleNone to 80 cmNone to 80 cm40 - 60 cm40 - 60 cm40 - 60 cm
Impermeable LayerNone to 150 cmNone to 150 cmNone to 150 cmNone to 150 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 for 3 to 6 months, but not wet within 40 cm for over 1 monthWet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 monthNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month
Topsoil Properties
Gravel4 %3 %3 %1 %15 %
Sand90 %90 %87 %73 %83 %
Silt5 %5 %9 %21 %11 %
Clay5 %5 %4 %6 %6 %
USDA TextureSandSandLoamy sandSandy loamLoamy sand
Reference Bulk Density1.71 g/cm³1.71 g/cm³1.73 g/cm³1.65 g/cm³1.67 g/cm³
Bulk Density1.49 g/cm³1.5 g/cm³1.4 g/cm³1.48 g/cm³1.3 g/cm³
Organic Carbon0.4 %0.39 %2.18 %0.9 %0.5 %
PH6.25.84.44.16.6
Clay Cation Exchange Capacity35 cmol kg⁻¹35 cmol kg⁻¹101 cmol kg⁻¹61 cmol kg⁻¹50 cmol kg⁻¹
Soil Cation Exchange Capacity3 cmol kg⁻¹3 cmol kg⁻¹9 cmol kg⁻¹6 cmol kg⁻¹5 cmol kg⁻¹
Base Saturation93 %76 %11 %75 %93 %
Total Exchangeable Bases3.3 cmol kg⁻¹2 cmol kg⁻¹2.6 cmol kg⁻¹3.5 cmol kg⁻¹4.2 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %
Exchangeable Sodium3 %3 %1 %0 %3 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel4 %4 %4 %3 %22 %
Sand90 %87 %88 %61 %80 %
Silt5 %5 %8 %27 %11 %
Clay5 %8 %4 %12 %9 %
USDA TextureSandLoamy sandSandSandy loamLoamy sand
Reference Bulk Density1.71 g/cm³1.63 g/cm³1.74 g/cm³1.52 g/cm³1.6 g/cm³
Bulk Density1.52 g/cm³1.5 g/cm³1.51 g/cm³1.69 g/cm³1.22 g/cm³
Organic Carbon0.21 %0.2 %0.39 %0.3 %0.3 %
PH6.15.754.96.7
Clay Cation Exchange Capacity39 cmol kg⁻¹34 cmol kg⁻¹66 cmol kg⁻¹34 cmol kg⁻¹44 cmol kg⁻¹
Soil Cation Exchange Capacity2 cmol kg⁻¹3 cmol kg⁻¹2 cmol kg⁻¹4 cmol kg⁻¹4 cmol kg⁻¹
Base Saturation100 %75 %21 %63 %76 %
Total Exchangeable Bases2.6 cmol kg⁻¹2.3 cmol kg⁻¹1.5 cmol kg⁻¹3.4 cmol kg⁻¹2.8 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %
Exchangeable Sodium3 %3 %3 %0 %3 %
Electrical Conductivity0.1 dS m-10.1 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