Draven

Location:Sweden
Area:1,077 acres (436 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

Sarmatic mixed forests

Soils

Protected Area Boundary
 A
  
Share31 %26 %15 %13 %8 %7 %
Soil TypeHaplic PodzolsFibric HistosolsHaplic ArenosolsDystric RegosolsDystric CambisolsLithic Leptosols
Topsoil TextureMediumFineCoarseMediumMediumMedium
Reference Depth100 cm100 cm100 cm100 cm100 cm10 cm
DrainageModerately wellVery poorSomewhat excessiveModerately wellModerately wellImperfectly
Available Water Capacity50 m150 m15 m100 m150 m15 mm
Phase 1Stony GravellyStony Stony
Phase 2Gravelly     
Root Obstacle40 - 60 cm20 - 40 cmNone to 80 cm40 - 60 cmNone to 80 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 monthWet within 40 cm depth 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 monthNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month 
Topsoil Properties
Gravel15 %1 %4 %19 %10 %21 %
Sand50 %20 %90 %42 %42 %42 %
Silt40 %40 %5 %37 %38 %34 %
Clay10 %40 %5 %21 %20 %24 %
USDA TextureLoamClaySandLoamLoamLoam
Reference Bulk Density1.53 g/cm³1.26 g/cm³1.71 g/cm³1.41 g/cm³1.41 g/cm³1.38 g/cm³
Bulk Density1.41 g/cm³0.1 g/cm³1.49 g/cm³1.33 g/cm³1.3 g/cm³1.3 g/cm³
Organic Carbon5.27 %33.63 %0.4 %1.39 %1.45 %1.61 %
PH4.54.36.25.15.17.5
Clay Cation Exchange Capacity89 cmol kg⁻¹45 cmol kg⁻¹35 cmol kg⁻¹23 cmol kg⁻¹32 cmol kg⁻¹42 cmol kg⁻¹
Soil Cation Exchange Capacity28 cmol kg⁻¹77 cmol kg⁻¹3 cmol kg⁻¹11 cmol kg⁻¹12 cmol kg⁻¹16 cmol kg⁻¹
Base Saturation11 %62 %93 %24 %38 %100 %
Total Exchangeable Bases5.6 cmol kg⁻¹31.4 cmol kg⁻¹3.3 cmol kg⁻¹3 cmol kg⁻¹4.3 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 %3 %1 %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
Gravel15 %2 %4 %26 %19 % 
Sand55 %47 %90 %46 %45 % 
Silt35 %26 %5 %34 %35 % 
Clay10 %27 %5 %20 %20 % 
USDA TextureSandy loamSandy clay loamSandLoamLoam 
Reference Bulk Density1.54 g/cm³1.38 g/cm³1.71 g/cm³1.42 g/cm³1.42 g/cm³ 
Bulk Density1.44 g/cm³0.1 g/cm³1.52 g/cm³1.48 g/cm³1.36 g/cm³ 
Organic Carbon0.81 %32.89 %0.21 %0.6 %0.5 % 
PH54.66.14.95.2 
Clay Cation Exchange Capacity55 cmol kg⁻¹71 cmol kg⁻¹39 cmol kg⁻¹28 cmol kg⁻¹35 cmol kg⁻¹ 
Soil Cation Exchange Capacity8 cmol kg⁻¹78 cmol kg⁻¹2 cmol kg⁻¹6 cmol kg⁻¹9 cmol kg⁻¹ 
Base Saturation13 %40 %100 %21 %33 % 
Total Exchangeable Bases0.8 cmol kg⁻¹27.4 cmol kg⁻¹2.6 cmol kg⁻¹1.8 cmol kg⁻¹2.6 cmol kg⁻¹ 
Calcium Carbonate0 %0 %0 %0 %0 % 
Calcium Sulphate0 %0 %0 %0 %0 % 
Exchangeable Sodium0 %1 %3 %1 %2 % 
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