Lielais un Pemmes purvs

Location:Latvia
Area:6,487 acres (2,625 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
 AB
   
Share50 %20 %15 %8 %7 % 
Soil TypeEutric GleysolsGleyic LuvisolsGleyic LuvisolsFibric HistosolsTerric HistosolsFibric Histosols
Topsoil TextureCoarseMediumMediumFineMediumFine
Reference Depth100 cm100 cm100 cm100 cm100 cm100 cm
DrainagePoorPoorPoorVery poorVery poorVery poor
Available Water Capacity75 m50 m50 m150 m150 m150 m
Phase 1GravellyGravellyGravelly   
Root ObstacleNone 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 cmNone to 150 cmNone to 150 cmNone to 150 cmNone to 150 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 for 3 to 6 months, but not wet within 40 cm for over 1 monthWet within 40 cm depth for over 11 monthWet within 40 cm depth for over 11 monthWet within 40 cm depth for over 11 month
Topsoil Properties
Gravel10 %5 %5 %1 %28 %1 %
Sand78 %47 %47 %20 %35 %20 %
Silt13 %29 %29 %40 %33 %40 %
Clay9 %24 %24 %40 %32 %40 %
USDA TextureSandy loamLoamLoamClayClay loamClay
Reference Bulk Density1.6 g/cm³1.39 g/cm³1.39 g/cm³1.26 g/cm³1.32 g/cm³1.26 g/cm³
Bulk Density1.36 g/cm³1.54 g/cm³1.54 g/cm³0.1 g/cm³0.28 g/cm³0.1 g/cm³
Organic Carbon0.57 %0.83 %0.83 %33.63 %39.4 %33.63 %
PH6.36.36.34.35.64.3
Clay Cation Exchange Capacity48 cmol kg⁻¹46 cmol kg⁻¹46 cmol kg⁻¹45 cmol kg⁻¹45 cmol kg⁻¹45 cmol kg⁻¹
Soil Cation Exchange Capacity6 cmol kg⁻¹16 cmol kg⁻¹16 cmol kg⁻¹77 cmol kg⁻¹87 cmol kg⁻¹77 cmol kg⁻¹
Base Saturation74 %93 %93 %62 %75 %62 %
Total Exchangeable Bases4.7 cmol kg⁻¹14.9 cmol kg⁻¹14.9 cmol kg⁻¹31.4 cmol kg⁻¹59.5 cmol kg⁻¹31.4 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium2 %2 %2 %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-1
Subsoil Properties
Gravel20 %6 %6 %2 %5 %2 %
Sand64 %39 %39 %47 %52 %47 %
Silt13 %27 %27 %26 %23 %26 %
Clay23 %34 %34 %27 %25 %27 %
USDA TextureSandy clay loamClay loamClay loamSandy clay loamSandy clay loamSandy clay loam
Reference Bulk Density1.43 g/cm³1.33 g/cm³1.33 g/cm³1.38 g/cm³1.38 g/cm³1.38 g/cm³
Bulk Density1.55 g/cm³1.65 g/cm³1.65 g/cm³0.1 g/cm³0.18 g/cm³0.1 g/cm³
Organic Carbon0.3 %0.28 %0.28 %32.89 %38.46 %32.89 %
PH6.4774.65.84.6
Clay Cation Exchange Capacity38 cmol kg⁻¹44 cmol kg⁻¹44 cmol kg⁻¹71 cmol kg⁻¹49 cmol kg⁻¹71 cmol kg⁻¹
Soil Cation Exchange Capacity10 cmol kg⁻¹16 cmol kg⁻¹16 cmol kg⁻¹78 cmol kg⁻¹88 cmol kg⁻¹78 cmol kg⁻¹
Base Saturation81 %99 %99 %40 %96 %40 %
Total Exchangeable Bases6.9 cmol kg⁻¹15.9 cmol kg⁻¹15.9 cmol kg⁻¹27.4 cmol kg⁻¹81.8 cmol kg⁻¹27.4 cmol kg⁻¹
Calcium Carbonate0 %0.4 %0.4 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium3 %2 %2 %1 %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