Siiksaare-Oessaare

Location:Estonia
Area:9,766 acres (3,952 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

Soils

Protected Area Boundary
 AB
   
Share 75 %25 %
Soil TypeCalcaric RegosolsEutric GleysolsCalcaric Regosols
Topsoil TextureMediumCoarseMedium
Reference Depth100 cm100 cm100 cm
DrainageModerately wellPoorModerately well
Available Water Capacity50 m75 m50 m
Phase 1PetrocalcicGravellyPetrocalcic
Phase 2Stony Stony
Root ObstacleNone to 80 cmNone to 80 cmNone to 80 cm
Impermeable Layer80 - 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 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
Gravel14 %10 %14 %
Sand44 %78 %44 %
Silt35 %13 %35 %
Clay21 %9 %21 %
USDA TextureLoamSandy loamLoam
Reference Bulk Density1.41 g/cm³1.6 g/cm³1.41 g/cm³
Bulk Density1.37 g/cm³1.36 g/cm³1.37 g/cm³
Organic Carbon0.75 %0.57 %0.75 %
PH86.38
Clay Cation Exchange Capacity45 cmol kg⁻¹48 cmol kg⁻¹45 cmol kg⁻¹
Soil Cation Exchange Capacity17 cmol kg⁻¹6 cmol kg⁻¹17 cmol kg⁻¹
Base Saturation100 %74 %100 %
Total Exchangeable Bases26.8 cmol kg⁻¹4.7 cmol kg⁻¹26.8 cmol kg⁻¹
Calcium Carbonate15 %0 %15 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium2 %2 %2 %
Electrical Conductivity0.2 dS m-10.1 dS m-10.2 dS m-1
Subsoil Properties
Gravel18 %20 %18 %
Sand40 %64 %40 %
Silt35 %13 %35 %
Clay25 %23 %25 %
USDA TextureLoamSandy clay loamLoam
Reference Bulk Density1.37 g/cm³1.43 g/cm³1.37 g/cm³
Bulk Density1.5 g/cm³1.55 g/cm³1.5 g/cm³
Organic Carbon0.47 %0.3 %0.47 %
PH8.16.48.1
Clay Cation Exchange Capacity52 cmol kg⁻¹38 cmol kg⁻¹52 cmol kg⁻¹
Soil Cation Exchange Capacity15 cmol kg⁻¹10 cmol kg⁻¹15 cmol kg⁻¹
Base Saturation100 %81 %100 %
Total Exchangeable Bases36.5 cmol kg⁻¹6.9 cmol kg⁻¹36.5 cmol kg⁻¹
Calcium Carbonate15 %0 %15 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium2 %3 %2 %
Electrical Conductivity0.3 dS m-10.1 dS m-10.3 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