Vorsperre-Twistetalsperre

Location:Germany
Area:62 acres (25 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

Western European broadleaf forests

Soils

Protected Area Boundary
 A
  
Share60 %20 %20 %
Soil TypeDystric CambisolsCambic PodzolsGleyic Cambisols
Topsoil TextureMediumMediumMedium
Reference Depth100 cm100 cm100 cm
DrainageModerately wellModerately wellPoor
Available Water Capacity100 m100 m100 m
Phase 1StonyStonyStony
Root ObstacleNone to 80 cmNone to 80 cmNone to 80 cm
Impermeable LayerNone to 150 cmNone to 150 cm80 - 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 month
Topsoil Properties
Gravel10 %15 %4 %
Sand42 %48 %45 %
Silt38 %40 %36 %
Clay20 %12 %19 %
USDA TextureLoamLoamLoam
Reference Bulk Density1.41 g/cm³1.5 g/cm³1.42 g/cm³
Bulk Density1.3 g/cm³0.96 g/cm³1.41 g/cm³
Organic Carbon1.45 %3.15 %1 %
PH5.156.4
Clay Cation Exchange Capacity32 cmol kg⁻¹66 cmol kg⁻¹38 cmol kg⁻¹
Soil Cation Exchange Capacity12 cmol kg⁻¹17 cmol kg⁻¹9 cmol kg⁻¹
Base Saturation38 %10 %85 %
Total Exchangeable Bases4.3 cmol kg⁻¹4.4 cmol kg⁻¹8.2 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium2 %0 %2 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel19 %17 %18 %
Sand45 %55 %39 %
Silt35 %33 %34 %
Clay20 %12 %27 %
USDA TextureLoamSandy loamClay loam
Reference Bulk Density1.42 g/cm³1.51 g/cm³1.36 g/cm³
Bulk Density1.36 g/cm³1.29 g/cm³1.6 g/cm³
Organic Carbon0.5 %1.13 %0.47 %
PH5.25.16.7
Clay Cation Exchange Capacity35 cmol kg⁻¹65 cmol kg⁻¹37 cmol kg⁻¹
Soil Cation Exchange Capacity9 cmol kg⁻¹13 cmol kg⁻¹11 cmol kg⁻¹
Base Saturation33 %13 %88 %
Total Exchangeable Bases2.6 cmol kg⁻¹0.8 cmol kg⁻¹11.3 cmol kg⁻¹
Calcium Carbonate0 %0 %0.1 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium2 %0 %2 %
Electrical Conductivity0.1 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