Märjamaa järtade

Location:Estonia
Area:280 acres (113 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
  
Share42 %33 %10 %8 %7 %
Soil TypeCalcaric CambisolsCalcic LuvisolsCalcaric RegosolsGleyic LuvisolsGleyic Cambisols
Topsoil TextureMediumMediumMediumMediumMedium
Reference Depth100 cm100 cm100 cm100 cm100 cm
DrainageModerately wellModerately wellModerately wellPoorPoor
Available Water Capacity50 m50 m50 m50 m50 m
Phase 1PetrocalcicStonyPetrocalcicStonyPetrocalcic
Phase 2StonyGravellyStonyGravellyStony
Root ObstacleNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cm
Impermeable LayerNone to 150 cmNone to 150 cm80 - 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 for 3 to 6 months, but not 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 over 6 months, but not wet within 40 cm for over 11 monthWet within 80 cm over 6 months, but not wet within 40 cm for over 11 month
Topsoil Properties
Gravel6 %5 %14 %5 %4 %
Sand36 %53 %44 %47 %45 %
Silt43 %24 %35 %29 %36 %
Clay21 %23 %21 %24 %19 %
USDA TextureLoamSandy clay loamLoamLoamLoam
Reference Bulk Density1.39 g/cm³1.41 g/cm³1.41 g/cm³1.39 g/cm³1.42 g/cm³
Bulk Density1.41 g/cm³1.53 g/cm³1.37 g/cm³1.54 g/cm³1.41 g/cm³
Organic Carbon0.65 %0.51 %0.75 %0.83 %1 %
PH87.786.36.4
Clay Cation Exchange Capacity52 cmol kg⁻¹55 cmol kg⁻¹45 cmol kg⁻¹46 cmol kg⁻¹38 cmol kg⁻¹
Soil Cation Exchange Capacity16 cmol kg⁻¹14 cmol kg⁻¹17 cmol kg⁻¹16 cmol kg⁻¹9 cmol kg⁻¹
Base Saturation100 %100 %100 %93 %85 %
Total Exchangeable Bases24.3 cmol kg⁻¹17.1 cmol kg⁻¹26.8 cmol kg⁻¹14.9 cmol kg⁻¹8.2 cmol kg⁻¹
Calcium Carbonate7 %7.4 %15 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %
Exchangeable Sodium1 %1 %2 %2 %2 %
Electrical Conductivity0.4 dS m-10.1 dS m-10.2 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel10 %10 %18 %6 %18 %
Sand34 %47 %40 %39 %39 %
Silt43 %23 %35 %27 %34 %
Clay23 %30 %25 %34 %27 %
USDA TextureLoamSandy clay loamLoamClay loamClay loam
Reference Bulk Density1.38 g/cm³1.36 g/cm³1.37 g/cm³1.33 g/cm³1.36 g/cm³
Bulk Density1.45 g/cm³1.67 g/cm³1.5 g/cm³1.65 g/cm³1.6 g/cm³
Organic Carbon0.43 %0.3 %0.47 %0.28 %0.47 %
PH8.17.98.176.7
Clay Cation Exchange Capacity54 cmol kg⁻¹50 cmol kg⁻¹52 cmol kg⁻¹44 cmol kg⁻¹37 cmol kg⁻¹
Soil Cation Exchange Capacity16 cmol kg⁻¹17 cmol kg⁻¹15 cmol kg⁻¹16 cmol kg⁻¹11 cmol kg⁻¹
Base Saturation100 %100 %100 %99 %88 %
Total Exchangeable Bases28.7 cmol kg⁻¹23.1 cmol kg⁻¹36.5 cmol kg⁻¹15.9 cmol kg⁻¹11.3 cmol kg⁻¹
Calcium Carbonate8.7 %9.1 %15 %0.4 %0.1 %
Calcium Sulphate0.4 %0 %0 %0 %0 %
Exchangeable Sodium1 %2 %2 %2 %2 %
Electrical Conductivity0.3 dS m-10.2 dS m-10.3 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