Dzelves - Krona purvs

Location:Latvia
Area:2,842 acres (1,150 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
 AB
   
Share45 %25 %10 %10 %10 % 
Soil TypeGleyic PodzolsEutric GleysolsHaplic PodzolsHaplic PodzolsFibric HistosolsFibric Histosols
Topsoil TextureCoarseCoarseCoarseCoarseFineFine
Reference Depth100 cm100 cm100 cm100 cm100 cm100 cm
DrainagePoorPoorSomewhat excessiveSomewhat excessiveVery poorVery poor
Available Water Capacity100 m150 m100 m100 m150 m150 m
Root ObstacleNone to 80 cmNone to 80 cm40 - 60 cm40 - 60 cmNone to 80 cmNone to 80 cm
Impermeable LayerNone to 150 cmNone to 150 cmNone to 150 cmNone to 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 over 6 months, but not wet within 40 cm 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 monthWet within 40 cm depth for over 11 monthWet within 40 cm depth for over 11 month
Topsoil Properties
Gravel2 %10 %3 %3 %1 %1 %
Sand86 %78 %87 %87 %20 %20 %
Silt10 %13 %9 %9 %40 %40 %
Clay4 %9 %4 %4 %40 %40 %
USDA TextureLoamy sandSandy loamLoamy sandLoamy sandClayClay
Reference Bulk Density1.73 g/cm³1.6 g/cm³1.73 g/cm³1.73 g/cm³1.26 g/cm³1.26 g/cm³
Bulk Density1.31 g/cm³1.36 g/cm³1.4 g/cm³1.4 g/cm³0.1 g/cm³0.1 g/cm³
Organic Carbon1.97 %0.57 %2.18 %2.18 %33.63 %33.63 %
PH4.46.34.44.44.34.3
Clay Cation Exchange Capacity52 cmol kg⁻¹48 cmol kg⁻¹101 cmol kg⁻¹101 cmol kg⁻¹45 cmol kg⁻¹45 cmol kg⁻¹
Soil Cation Exchange Capacity6 cmol kg⁻¹6 cmol kg⁻¹9 cmol kg⁻¹9 cmol kg⁻¹77 cmol kg⁻¹77 cmol kg⁻¹
Base Saturation18 %74 %11 %11 %62 %62 %
Total Exchangeable Bases3.6 cmol kg⁻¹4.7 cmol kg⁻¹2.6 cmol kg⁻¹2.6 cmol kg⁻¹31.4 cmol kg⁻¹31.4 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium1 %2 %1 %1 %2 %2 %
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
Gravel3 %20 %4 %4 %2 %2 %
Sand85 %64 %88 %88 %47 %47 %
Silt10 %13 %8 %8 %26 %26 %
Clay5 %23 %4 %4 %27 %27 %
USDA TextureLoamy sandSandy clay loamSandSandSandy clay loamSandy clay loam
Reference Bulk Density1.7 g/cm³1.43 g/cm³1.74 g/cm³1.74 g/cm³1.38 g/cm³1.38 g/cm³
Bulk Density1.54 g/cm³1.55 g/cm³1.51 g/cm³1.51 g/cm³0.1 g/cm³0.1 g/cm³
Organic Carbon0.91 %0.3 %0.39 %0.39 %32.89 %32.89 %
PH4.96.4554.64.6
Clay Cation Exchange Capacity44 cmol kg⁻¹38 cmol kg⁻¹66 cmol kg⁻¹66 cmol kg⁻¹71 cmol kg⁻¹71 cmol kg⁻¹
Soil Cation Exchange Capacity3 cmol kg⁻¹10 cmol kg⁻¹2 cmol kg⁻¹2 cmol kg⁻¹78 cmol kg⁻¹78 cmol kg⁻¹
Base Saturation21 %81 %21 %21 %40 %40 %
Total Exchangeable Bases1.7 cmol kg⁻¹6.9 cmol kg⁻¹1.5 cmol kg⁻¹1.5 cmol kg⁻¹27.4 cmol kg⁻¹27.4 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium3 %3 %3 %3 %1 %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
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