Ahlder Pool

Location:Germany
Area:91 acres (37 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

Link to Map
Protected Area Boundary
 A
  
Share35 %30 %20 %5 %5 %5 %
Soil TypeGleyic PodzolsUmbric GleysolsCumulic AnthrosolsDystric RegosolsUmbric GleysolsGleyic Podzols
Topsoil TextureCoarseCoarseCoarseCoarseCoarseCoarse
Reference Depth100 cm100 cm100 cm100 cm100 cm100 cm
DrainagePoorPoorWellSomewhat excessivePoorPoor
Available Water Capacity100 m150 m150 m100 m150 m100 m
Root Obstacle40 - 60 cm60 - 80 cmNone to 80 cmNone to 80 cm60 - 80 cm40 - 60 cm
Impermeable LayerNone to 150 cmNone to 150 cmNone to 150 cmNone to 150 cmNone to 150 cmNone to 150 cm
Soil Water RegimeWet within 80 cm for 3 to 6 months, but not 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 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 month
Topsoil Properties
Gravel2 %10 %10 %19 %10 %2 %
Sand86 %86 %90 %78 %86 %86 %
Silt10 %9 %6 %13 %9 %10 %
Clay4 %5 %4 %9 %5 %4 %
USDA TextureLoamy sandLoamy sandSandSandy loamLoamy sandLoamy sand
Reference Bulk Density1.73 g/cm³1.7 g/cm³1.74 g/cm³1.6 g/cm³1.7 g/cm³1.73 g/cm³
Bulk Density1.31 g/cm³1.4 g/cm³1.4 g/cm³1.27 g/cm³1.4 g/cm³1.31 g/cm³
Organic Carbon1.97 %0.7 %2.41 %0.7 %0.7 %1.97 %
PH4.45.95.95.65.94.4
Clay Cation Exchange Capacity52 cmol kg⁻¹43 cmol kg⁻¹46 cmol kg⁻¹29 cmol kg⁻¹43 cmol kg⁻¹52 cmol kg⁻¹
Soil Cation Exchange Capacity6 cmol kg⁻¹6 cmol kg⁻¹1 cmol kg⁻¹6 cmol kg⁻¹6 cmol kg⁻¹6 cmol kg⁻¹
Base Saturation18 %74 %92 %98 %74 %18 %
Total Exchangeable Bases3.6 cmol kg⁻¹4.9 cmol kg⁻¹1.6 cmol kg⁻¹4.1 cmol kg⁻¹4.9 cmol kg⁻¹3.6 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium1 %0 %0 %3 %0 %1 %
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
Gravel3 %8 %10 %14 %8 %3 %
Sand85 %82 %89 %77 %82 %85 %
Silt10 %11 %6 %13 %11 %10 %
Clay5 %7 %5 %10 %7 %5 %
USDA TextureLoamy sandLoamy sandSandSandy loamLoamy sandLoamy sand
Reference Bulk Density1.7 g/cm³1.64 g/cm³1.7 g/cm³1.58 g/cm³1.64 g/cm³1.7 g/cm³
Bulk Density1.54 g/cm³1.57 g/cm³1.38 g/cm³1.5 g/cm³1.57 g/cm³1.54 g/cm³
Organic Carbon0.91 %0.3 %0.88 %0.31 %0.3 %0.91 %
PH4.96.25.95.36.24.9
Clay Cation Exchange Capacity44 cmol kg⁻¹38 cmol kg⁻¹15 cmol kg⁻¹36 cmol kg⁻¹38 cmol kg⁻¹44 cmol kg⁻¹
Soil Cation Exchange Capacity3 cmol kg⁻¹10 cmol kg⁻¹1 cmol kg⁻¹4 cmol kg⁻¹10 cmol kg⁻¹3 cmol kg⁻¹
Base Saturation21 %81 %89 %28 %81 %21 %
Total Exchangeable Bases1.7 cmol kg⁻¹8 cmol kg⁻¹6.9 cmol kg⁻¹1 cmol kg⁻¹8 cmol kg⁻¹1.7 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium3 %0 %0 %3 %0 %3 %
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
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