Zvardes mezi

Location:Latvia
Area:20,196 acres (8,173 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
    
Share 60 %20 %15 %5 %40 %20 %20 %15 %5 %
Soil TypeEutric GleysolsHaplic LuvisolsGleyic LuvisolsGleyic LuvisolsFibric HistosolsHaplic LuvisolsEutric GleysolsEutric PodzoluvisolsGleyic PodzoluvisolsGleyic Luvisols
Topsoil TextureMediumMediumMediumMediumFineMediumFineMediumMediumFine
Reference Depth100 cm100 cm100 cm100 cm100 cm100 cm100 cm100 cm100 cm100 cm
DrainagePoorModerately wellPoorPoorVery poorModerately wellVery poorModerately wellPoorPoor
Available Water Capacity150 m100 m50 m50 m150 m100 m125 m100 m100 m50 m
Phase 1 StonyStonyStony StonyStonyStonyStonyStony
Root ObstacleNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cm
Impermeable LayerNone to 150 cmNone to 150 cm40 - 80 cm40 - 80 cmNone to 150 cmNone to 150 cmNone to 150 cmNone to 150 cmNone to 150 cm40 - 80 cm
Soil Water RegimeWet within 80 cm over 6 months, but not wet within 40 cm for over 11 monthWet 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 monthWet within 80 cm over 6 months, but not wet within 40 cm for over 11 monthWet within 40 cm depth for over 11 monthWet 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 monthWet 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 monthWet within 80 cm over 6 months, but not wet within 40 cm for over 11 month
Topsoil Properties
Gravel4 %4 %5 %5 %1 %4 %1 %1 %1 %4 %
Sand37 %41 %47 %47 %20 %41 %17 %35 %32 %43 %
Silt40 %37 %29 %29 %40 %37 %32 %54 %49 %16 %
Clay23 %22 %24 %24 %40 %22 %51 %11 %19 %41 %
USDA TextureLoamLoamLoamLoamClayLoamClaySilt loamLoamClay
Reference Bulk Density1.38 g/cm³1.4 g/cm³1.39 g/cm³1.39 g/cm³1.26 g/cm³1.4 g/cm³1.22 g/cm³1.49 g/cm³1.4 g/cm³1.31 g/cm³
Bulk Density1.35 g/cm³1.43 g/cm³1.54 g/cm³1.54 g/cm³0.1 g/cm³1.43 g/cm³1.25 g/cm³1.36 g/cm³1.35 g/cm³1.3 g/cm³
Organic Carbon1.07 %0.74 %0.83 %0.83 %33.63 %0.74 %1.25 %1.2 %2.22 %0.84 %
PH6.26.56.36.34.36.55.85.45.37
Clay Cation Exchange Capacity41 cmol kg⁻¹47 cmol kg⁻¹46 cmol kg⁻¹46 cmol kg⁻¹45 cmol kg⁻¹47 cmol kg⁻¹37 cmol kg⁻¹48 cmol kg⁻¹36 cmol kg⁻¹57 cmol kg⁻¹
Soil Cation Exchange Capacity13 cmol kg⁻¹13 cmol kg⁻¹16 cmol kg⁻¹16 cmol kg⁻¹77 cmol kg⁻¹13 cmol kg⁻¹25 cmol kg⁻¹9 cmol kg⁻¹17 cmol kg⁻¹24 cmol kg⁻¹
Base Saturation88 %91 %93 %93 %62 %91 %78 %55 %55 %99 %
Total Exchangeable Bases10.2 cmol kg⁻¹11 cmol kg⁻¹14.9 cmol kg⁻¹14.9 cmol kg⁻¹31.4 cmol kg⁻¹11 cmol kg⁻¹18.9 cmol kg⁻¹5.7 cmol kg⁻¹5.7 cmol kg⁻¹26 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %0 %0 %0 %1.4 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %0 %0 %0 %0 %
Exchangeable Sodium2 %1 %2 %2 %2 %1 %2 %0 %0 %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-1
Subsoil Properties
Gravel5 %3 %6 %6 %2 %3 %1 %4 %4 %8 %
Sand36 %37 %39 %39 %47 %37 %19 %37 %25 %37 %
Silt36 %34 %27 %27 %26 %34 %29 %43 %51 %15 %
Clay28 %29 %34 %34 %27 %29 %52 %20 %24 %48 %
USDA TextureClay loamClay loamClay loamClay loamSandy clay loamClay loamClayLoamSilt loamClay
Reference Bulk Density1.35 g/cm³1.35 g/cm³1.33 g/cm³1.33 g/cm³1.38 g/cm³1.35 g/cm³1.23 g/cm³1.4 g/cm³1.35 g/cm³1.27 g/cm³
Bulk Density1.5 g/cm³1.51 g/cm³1.65 g/cm³1.65 g/cm³0.1 g/cm³1.51 g/cm³1.35 g/cm³1.61 g/cm³1.6 g/cm³1.32 g/cm³
Organic Carbon0.37 %0.36 %0.28 %0.28 %32.89 %0.36 %0.45 %0.25 %0.5 %0.55 %
PH6.66.7774.66.765.35.47
Clay Cation Exchange Capacity42 cmol kg⁻¹50 cmol kg⁻¹44 cmol kg⁻¹44 cmol kg⁻¹71 cmol kg⁻¹50 cmol kg⁻¹40 cmol kg⁻¹63 cmol kg⁻¹40 cmol kg⁻¹51 cmol kg⁻¹
Soil Cation Exchange Capacity13 cmol kg⁻¹14 cmol kg⁻¹16 cmol kg⁻¹16 cmol kg⁻¹78 cmol kg⁻¹14 cmol kg⁻¹23 cmol kg⁻¹9 cmol kg⁻¹14 cmol kg⁻¹27 cmol kg⁻¹
Base Saturation90 %93 %99 %99 %40 %93 %84 %59 %59 %99 %
Total Exchangeable Bases11.9 cmol kg⁻¹13.1 cmol kg⁻¹15.9 cmol kg⁻¹15.9 cmol kg⁻¹27.4 cmol kg⁻¹13.1 cmol kg⁻¹17 cmol kg⁻¹4.9 cmol kg⁻¹4.9 cmol kg⁻¹31.3 cmol kg⁻¹
Calcium Carbonate0 %0 %0.4 %0.4 %0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %0 %0 %0 %0 %
Exchangeable Sodium2 %1 %2 %2 %1 %1 %3 %0 %0 %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-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