Eilandspolder

Location:Netherlands
Area:3,487 acres (1,411 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
   
Share70 %20 %10 % 
Soil TypeMollic GleysolsEutric GleysolsEutric GleysolsTerric Histosols
Topsoil TextureMediumMediumMediumMedium
Reference Depth100 cm100 cm100 cm100 cm
DrainagePoorPoorPoorVery poor
Available Water Capacity150 m150 m150 m150 m
Phase 1Soils disturbed by man   
Root Obstacle60 - 80 cm60 - 80 cm40 - 60 cm40 - 60 cm
Impermeable LayerNone 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 over 6 months, but not wet within 40 cm for over 11 monthWet within 80 cm over 6 months, but not wet within 40 cm for over 11 month
Topsoil Properties
Gravel4 %4 %4 %28 %
Sand39 %37 %37 %35 %
Silt39 %40 %40 %33 %
Clay22 %23 %23 %32 %
USDA TextureLoamLoamLoamClay loam
Reference Bulk Density1.39 g/cm³1.38 g/cm³1.38 g/cm³1.32 g/cm³
Bulk Density1.28 g/cm³1.35 g/cm³1.35 g/cm³0.28 g/cm³
Organic Carbon1.65 %1.07 %1.07 %39.4 %
PH6.66.26.25.6
Clay Cation Exchange Capacity45 cmol kg⁻¹41 cmol kg⁻¹41 cmol kg⁻¹45 cmol kg⁻¹
Soil Cation Exchange Capacity17 cmol kg⁻¹13 cmol kg⁻¹13 cmol kg⁻¹87 cmol kg⁻¹
Base Saturation87 %88 %88 %75 %
Total Exchangeable Bases9.8 cmol kg⁻¹10.2 cmol kg⁻¹10.2 cmol kg⁻¹59.5 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %
Exchangeable Sodium2 %2 %2 %1 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel3 %5 %5 %5 %
Sand37 %36 %36 %52 %
Silt35 %36 %36 %23 %
Clay28 %28 %28 %25 %
USDA TextureClay loamClay loamClay loamSandy clay loam
Reference Bulk Density1.35 g/cm³1.35 g/cm³1.35 g/cm³1.38 g/cm³
Bulk Density1.35 g/cm³1.5 g/cm³1.5 g/cm³0.18 g/cm³
Organic Carbon0.69 %0.37 %0.37 %38.46 %
PH7.26.66.65.8
Clay Cation Exchange Capacity44 cmol kg⁻¹42 cmol kg⁻¹42 cmol kg⁻¹49 cmol kg⁻¹
Soil Cation Exchange Capacity15 cmol kg⁻¹13 cmol kg⁻¹13 cmol kg⁻¹88 cmol kg⁻¹
Base Saturation88 %90 %90 %96 %
Total Exchangeable Bases10.7 cmol kg⁻¹11.9 cmol kg⁻¹11.9 cmol kg⁻¹81.8 cmol kg⁻¹
Calcium Carbonate4 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %
Exchangeable Sodium1 %2 %2 %1 %
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