Dunika

Location:Latvia
Area:4,453 acres (1,802 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
 ABC
    
Share60 %15 %10 %10 %5 %50 %15 %15 %10 %10 % 
Soil TypeGleyic PodzoluvisolsEutric GleysolsEutric PodzoluvisolsDystric PodzoluvisolsTerric HistosolsHaplic PodzolsAlbic ArenosolsGleyic PodzolsFibric HistosolsHaplic PodzolsFibric Histosols
Topsoil TextureMediumMediumMediumMediumMediumCoarseCoarseCoarseFineCoarseFine
Reference Depth100 cm100 cm100 cm100 cm100 cm100 cm100 cm100 cm100 cm100 cm100 cm
DrainagePoorPoorModerately wellModerately wellVery poorSomewhat excessiveSomewhat excessivePoorVery poorSomewhat excessiveVery poor
Available Water Capacity100 m125 m100 m100 m150 m100 m100 m100 m150 m100 m150 m
Phase 1StonyStonyStonyStony       
Phase 2  ErosionErosion       
Root ObstacleNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cm40 - 60 cmNone to 80 cmNone to 80 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 cmNone 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 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 80 cm over 6 months, but not wet within 40 cm for over 11 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 monthWet within 40 cm depth for over 11 month
Topsoil Properties
Gravel1 %4 %1 %1 %28 %3 %3 %2 %1 %3 %1 %
Sand32 %37 %35 %31 %35 %87 %88 %86 %20 %87 %20 %
Silt49 %40 %54 %54 %33 %9 %7 %10 %40 %9 %40 %
Clay19 %23 %11 %15 %32 %4 %5 %4 %40 %4 %40 %
USDA TextureLoamLoamSilt loamSilt loamClay loamLoamy sandSandLoamy sandClayLoamy sandClay
Reference Bulk Density1.4 g/cm³1.38 g/cm³1.49 g/cm³1.43 g/cm³1.32 g/cm³1.73 g/cm³1.7 g/cm³1.73 g/cm³1.26 g/cm³1.73 g/cm³1.26 g/cm³
Bulk Density1.35 g/cm³1.35 g/cm³1.36 g/cm³1.36 g/cm³0.28 g/cm³1.4 g/cm³1.62 g/cm³1.31 g/cm³0.1 g/cm³1.4 g/cm³0.1 g/cm³
Organic Carbon2.22 %1.07 %1.2 %1.59 %39.4 %2.18 %0.4 %1.97 %33.63 %2.18 %33.63 %
PH5.36.25.455.64.45.94.44.34.44.3
Clay Cation Exchange Capacity36 cmol kg⁻¹41 cmol kg⁻¹48 cmol kg⁻¹63 cmol kg⁻¹45 cmol kg⁻¹101 cmol kg⁻¹26 cmol kg⁻¹52 cmol kg⁻¹45 cmol kg⁻¹101 cmol kg⁻¹45 cmol kg⁻¹
Soil Cation Exchange Capacity17 cmol kg⁻¹13 cmol kg⁻¹9 cmol kg⁻¹19 cmol kg⁻¹87 cmol kg⁻¹9 cmol kg⁻¹3 cmol kg⁻¹6 cmol kg⁻¹77 cmol kg⁻¹9 cmol kg⁻¹77 cmol kg⁻¹
Base Saturation55 %88 %55 %55 %75 %11 %64 %18 %62 %11 %62 %
Total Exchangeable Bases5.7 cmol kg⁻¹10.2 cmol kg⁻¹5.7 cmol kg⁻¹5.7 cmol kg⁻¹59.5 cmol kg⁻¹2.6 cmol kg⁻¹2.6 cmol kg⁻¹3.6 cmol kg⁻¹31.4 cmol kg⁻¹2.6 cmol kg⁻¹31.4 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %0 %0 %0 %0 %0 %
Exchangeable Sodium0 %2 %0 %0 %1 %1 %3 %1 %2 %1 %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-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel4 %5 %4 %4 %5 %4 %4 %3 %2 %4 %2 %
Sand25 %36 %37 %24 %52 %88 %89 %85 %47 %88 %47 %
Silt51 %36 %43 %50 %23 %8 %6 %10 %26 %8 %26 %
Clay24 %28 %20 %26 %25 %4 %5 %5 %27 %4 %27 %
USDA TextureSilt loamClay loamLoamSilt loamSandy clay loamSandSandLoamy sandSandy clay loamSandSandy clay loam
Reference Bulk Density1.35 g/cm³1.35 g/cm³1.4 g/cm³1.34 g/cm³1.38 g/cm³1.74 g/cm³1.7 g/cm³1.7 g/cm³1.38 g/cm³1.74 g/cm³1.38 g/cm³
Bulk Density1.6 g/cm³1.5 g/cm³1.61 g/cm³1.61 g/cm³0.18 g/cm³1.51 g/cm³1.51 g/cm³1.54 g/cm³0.1 g/cm³1.51 g/cm³0.1 g/cm³
Organic Carbon0.5 %0.37 %0.25 %0.2 %38.46 %0.39 %0.23 %0.91 %32.89 %0.39 %32.89 %
PH5.46.65.35.35.855.64.94.654.6
Clay Cation Exchange Capacity40 cmol kg⁻¹42 cmol kg⁻¹63 cmol kg⁻¹67 cmol kg⁻¹49 cmol kg⁻¹66 cmol kg⁻¹25 cmol kg⁻¹44 cmol kg⁻¹71 cmol kg⁻¹66 cmol kg⁻¹71 cmol kg⁻¹
Soil Cation Exchange Capacity14 cmol kg⁻¹13 cmol kg⁻¹9 cmol kg⁻¹14 cmol kg⁻¹88 cmol kg⁻¹2 cmol kg⁻¹2 cmol kg⁻¹3 cmol kg⁻¹78 cmol kg⁻¹2 cmol kg⁻¹78 cmol kg⁻¹
Base Saturation59 %90 %59 %59 %96 %21 %89 %21 %40 %21 %40 %
Total Exchangeable Bases4.9 cmol kg⁻¹11.9 cmol kg⁻¹4.9 cmol kg⁻¹4.9 cmol kg⁻¹81.8 cmol kg⁻¹1.5 cmol kg⁻¹1.8 cmol kg⁻¹1.7 cmol kg⁻¹27.4 cmol kg⁻¹1.5 cmol kg⁻¹27.4 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %0 %0 %0 %0 %0 %
Exchangeable Sodium0 %2 %0 %0 %1 %3 %0 %3 %1 %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-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