Tåkern

Location:Sweden
Area:13,332 acres (5,395 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Dfb (Climate: snow; Precipitation: fully humid; Temperature: warm summer)
Natura 2000 Data Sheet:View Data Sheet  Explanatory notes

Ecoregions

Sarmatic mixed forests

Soils

Protected Area Boundary
 A
  
Share50 %15 %15 %9 %7 %4 %
Soil TypeEutric CambisolsDystric RegosolsHaplic ArenosolsLithic LeptosolsFibric HistosolsHaplic Podzols
Topsoil TextureMediumMediumCoarseMediumFineMedium
Reference Depth100 cm100 cm100 cm10 cm100 cm100 cm
DrainageModerately wellModerately wellSomewhat excessiveImperfectlyVery poorModerately well
Available Water Capacity150 m100 m15 m15 mm150 m50 m
Phase 1 StonyGravellyStony Stony
Phase 2     Gravelly
Root ObstacleNone to 80 cm40 - 60 cmNone to 80 cm 20 - 40 cm40 - 60 cm
Impermeable LayerNone to 150 cmNone to 150 cmNone to 150 cm None 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 monthNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month Wet within 40 cm depth for over 11 monthNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month
Topsoil Properties
Gravel9 %19 %4 %21 %1 %15 %
Sand42 %42 %90 %42 %20 %50 %
Silt36 %37 %5 %34 %40 %40 %
Clay22 %21 %5 %24 %40 %10 %
USDA TextureLoamLoamSandLoamClayLoam
Reference Bulk Density1.4 g/cm³1.41 g/cm³1.71 g/cm³1.38 g/cm³1.26 g/cm³1.53 g/cm³
Bulk Density1.37 g/cm³1.33 g/cm³1.49 g/cm³1.3 g/cm³0.1 g/cm³1.41 g/cm³
Organic Carbon1 %1.39 %0.4 %1.61 %33.63 %5.27 %
PH6.65.16.27.54.34.5
Clay Cation Exchange Capacity55 cmol kg⁻¹23 cmol kg⁻¹35 cmol kg⁻¹42 cmol kg⁻¹45 cmol kg⁻¹89 cmol kg⁻¹
Soil Cation Exchange Capacity16 cmol kg⁻¹11 cmol kg⁻¹3 cmol kg⁻¹16 cmol kg⁻¹77 cmol kg⁻¹28 cmol kg⁻¹
Base Saturation93 %24 %93 %100 %62 %11 %
Total Exchangeable Bases14 cmol kg⁻¹3 cmol kg⁻¹3.3 cmol kg⁻¹15.5 cmol kg⁻¹31.4 cmol kg⁻¹5.6 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %3.9 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium2 %1 %3 %3 %2 %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
Gravel12 %26 %4 % 2 %15 %
Sand41 %46 %90 % 47 %55 %
Silt34 %34 %5 % 26 %35 %
Clay25 %20 %5 % 27 %10 %
USDA TextureLoamLoamSand Sandy clay loamSandy loam
Reference Bulk Density1.38 g/cm³1.42 g/cm³1.71 g/cm³ 1.38 g/cm³1.54 g/cm³
Bulk Density1.39 g/cm³1.48 g/cm³1.52 g/cm³ 0.1 g/cm³1.44 g/cm³
Organic Carbon0.37 %0.6 %0.21 % 32.89 %0.81 %
PH74.96.1 4.65
Clay Cation Exchange Capacity55 cmol kg⁻¹28 cmol kg⁻¹39 cmol kg⁻¹ 71 cmol kg⁻¹55 cmol kg⁻¹
Soil Cation Exchange Capacity15 cmol kg⁻¹6 cmol kg⁻¹2 cmol kg⁻¹ 78 cmol kg⁻¹8 cmol kg⁻¹
Base Saturation93 %21 %100 % 40 %13 %
Total Exchangeable Bases15.1 cmol kg⁻¹1.8 cmol kg⁻¹2.6 cmol kg⁻¹ 27.4 cmol kg⁻¹0.8 cmol kg⁻¹
Calcium Carbonate0.1 %0 %0 % 0 %0 %
Calcium Sulphate0 %0 %0 % 0 %0 %
Exchangeable Sodium2 %1 %3 % 1 %0 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-1 0.1 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