Vretaholms eklandskap

Location:Sweden
Area:178 acres (72 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
  
Share29 %21 %17 %17 %9 %7 %
Soil TypeDystric RegosolsDystric CambisolsHaplic PodzolsHaplic ArenosolsFibric HistosolsLithic Leptosols
Topsoil TextureMediumMediumMediumCoarseFineMedium
Reference Depth100 cm100 cm100 cm100 cm100 cm10 cm
DrainageModerately wellModerately wellModerately wellSomewhat excessiveVery poorImperfectly
Available Water Capacity100 m150 m50 m15 m150 m15 mm
Phase 1Stony StonyGravelly Stony
Phase 2  Gravelly   
Root Obstacle40 - 60 cmNone to 80 cm40 - 60 cmNone to 80 cm20 - 40 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 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 40 cm depth for over 11 month 
Topsoil Properties
Gravel19 %10 %15 %4 %1 %21 %
Sand42 %42 %50 %90 %20 %42 %
Silt37 %38 %40 %5 %40 %34 %
Clay21 %20 %10 %5 %40 %24 %
USDA TextureLoamLoamLoamSandClayLoam
Reference Bulk Density1.41 g/cm³1.41 g/cm³1.53 g/cm³1.71 g/cm³1.26 g/cm³1.38 g/cm³
Bulk Density1.33 g/cm³1.3 g/cm³1.41 g/cm³1.49 g/cm³0.1 g/cm³1.3 g/cm³
Organic Carbon1.39 %1.45 %5.27 %0.4 %33.63 %1.61 %
PH5.15.14.56.24.37.5
Clay Cation Exchange Capacity23 cmol kg⁻¹32 cmol kg⁻¹89 cmol kg⁻¹35 cmol kg⁻¹45 cmol kg⁻¹42 cmol kg⁻¹
Soil Cation Exchange Capacity11 cmol kg⁻¹12 cmol kg⁻¹28 cmol kg⁻¹3 cmol kg⁻¹77 cmol kg⁻¹16 cmol kg⁻¹
Base Saturation24 %38 %11 %93 %62 %100 %
Total Exchangeable Bases3 cmol kg⁻¹4.3 cmol kg⁻¹5.6 cmol kg⁻¹3.3 cmol kg⁻¹31.4 cmol kg⁻¹15.5 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %3.9 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium1 %2 %1 %3 %2 %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
Subsoil Properties
Gravel26 %19 %15 %4 %2 % 
Sand46 %45 %55 %90 %47 % 
Silt34 %35 %35 %5 %26 % 
Clay20 %20 %10 %5 %27 % 
USDA TextureLoamLoamSandy loamSandSandy clay loam 
Reference Bulk Density1.42 g/cm³1.42 g/cm³1.54 g/cm³1.71 g/cm³1.38 g/cm³ 
Bulk Density1.48 g/cm³1.36 g/cm³1.44 g/cm³1.52 g/cm³0.1 g/cm³ 
Organic Carbon0.6 %0.5 %0.81 %0.21 %32.89 % 
PH4.95.256.14.6 
Clay Cation Exchange Capacity28 cmol kg⁻¹35 cmol kg⁻¹55 cmol kg⁻¹39 cmol kg⁻¹71 cmol kg⁻¹ 
Soil Cation Exchange Capacity6 cmol kg⁻¹9 cmol kg⁻¹8 cmol kg⁻¹2 cmol kg⁻¹78 cmol kg⁻¹ 
Base Saturation21 %33 %13 %100 %40 % 
Total Exchangeable Bases1.8 cmol kg⁻¹2.6 cmol kg⁻¹0.8 cmol kg⁻¹2.6 cmol kg⁻¹27.4 cmol kg⁻¹ 
Calcium Carbonate0 %0 %0 %0 %0 % 
Calcium Sulphate0 %0 %0 %0 %0 % 
Exchangeable Sodium1 %2 %0 %3 %1 % 
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