Hjoån

Location:Sweden
Area:48 acres (20 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

Link to Map
Protected Area Boundary
 A
  
Share43 %21 %20 %9 %4 %3 %
Soil TypeHaplic ArenosolsDystric RegosolsDystric CambisolsFibric HistosolsLithic LeptosolsHaplic Podzols
Topsoil TextureCoarseMediumMediumFineMediumMedium
Reference Depth100 cm100 cm100 cm100 cm10 cm100 cm
DrainageSomewhat excessiveModerately wellModerately wellVery poorImperfectlyModerately well
Available Water Capacity15 m100 m150 m150 m15 mm50 m
Phase 1GravellyStony  StonyStony
Phase 2     Gravelly
Root ObstacleNone to 80 cm40 - 60 cmNone to 80 cm20 - 40 cm 40 - 60 cm
Impermeable LayerNone to 150 cmNone to 150 cmNone to 150 cmNone to 150 cm None 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 monthWet within 40 cm depth for over 11 month Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month
Topsoil Properties
Gravel4 %19 %10 %1 %21 %15 %
Sand90 %42 %42 %20 %42 %50 %
Silt5 %37 %38 %40 %34 %40 %
Clay5 %21 %20 %40 %24 %10 %
USDA TextureSandLoamLoamClayLoamLoam
Reference Bulk Density1.71 g/cm³1.41 g/cm³1.41 g/cm³1.26 g/cm³1.38 g/cm³1.53 g/cm³
Bulk Density1.49 g/cm³1.33 g/cm³1.3 g/cm³0.1 g/cm³1.3 g/cm³1.41 g/cm³
Organic Carbon0.4 %1.39 %1.45 %33.63 %1.61 %5.27 %
PH6.25.15.14.37.54.5
Clay Cation Exchange Capacity35 cmol kg⁻¹23 cmol kg⁻¹32 cmol kg⁻¹45 cmol kg⁻¹42 cmol kg⁻¹89 cmol kg⁻¹
Soil Cation Exchange Capacity3 cmol kg⁻¹11 cmol kg⁻¹12 cmol kg⁻¹77 cmol kg⁻¹16 cmol kg⁻¹28 cmol kg⁻¹
Base Saturation93 %24 %38 %62 %100 %11 %
Total Exchangeable Bases3.3 cmol kg⁻¹3 cmol kg⁻¹4.3 cmol kg⁻¹31.4 cmol kg⁻¹15.5 cmol kg⁻¹5.6 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %3.9 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium3 %1 %2 %2 %3 %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
Gravel4 %26 %19 %2 % 15 %
Sand90 %46 %45 %47 % 55 %
Silt5 %34 %35 %26 % 35 %
Clay5 %20 %20 %27 % 10 %
USDA TextureSandLoamLoamSandy clay loam Sandy loam
Reference Bulk Density1.71 g/cm³1.42 g/cm³1.42 g/cm³1.38 g/cm³ 1.54 g/cm³
Bulk Density1.52 g/cm³1.48 g/cm³1.36 g/cm³0.1 g/cm³ 1.44 g/cm³
Organic Carbon0.21 %0.6 %0.5 %32.89 % 0.81 %
PH6.14.95.24.6 5
Clay Cation Exchange Capacity39 cmol kg⁻¹28 cmol kg⁻¹35 cmol kg⁻¹71 cmol kg⁻¹ 55 cmol kg⁻¹
Soil Cation Exchange Capacity2 cmol kg⁻¹6 cmol kg⁻¹9 cmol kg⁻¹78 cmol kg⁻¹ 8 cmol kg⁻¹
Base Saturation100 %21 %33 %40 % 13 %
Total Exchangeable Bases2.6 cmol kg⁻¹1.8 cmol kg⁻¹2.6 cmol kg⁻¹27.4 cmol kg⁻¹ 0.8 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 % 0 %
Calcium Sulphate0 %0 %0 %0 % 0 %
Exchangeable Sodium3 %1 %2 %1 % 0 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1 0.1 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