Tsentral'no-Chernozemny Biosphere Reserve

Location:Kursk, Russia
IUCN Category:Ia
Area:13,064 acres (5,287 hectares)
Species:All  Endangered  Invasive
Website:View website
Climate:View Climate Data
Land Use:View Land Use Data

Ecoregions

East European forest steppe

Soils

Link to Map
Protected Area Boundary
 ABCD
     
Share90 %10 %90 %10 %80 %10 %10 % 
Soil TypeHaplic ChernozemsLuvic ChernozemsLuvic ChernozemsLuvic PhaeozemsLuvic PhaeozemsLuvic ChernozemsHaplic GreyzemsEutric Fluvisols
Topsoil TextureMediumFineFineMediumMediumFineMediumCoarse
Reference Depth100 cm100 cm100 cm100 cm100 cm100 cm100 cm100 cm
DrainageModerately wellModerately wellModerately wellModerately wellModerately wellModerately wellModerately wellPoor
Available Water Capacity150 m150 m150 m150 m150 m150 m150 m150 m
Phase 1       Flooded
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 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 cm
Soil Water RegimeNot 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 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 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 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 month
Topsoil Properties
Gravel4 %4 %4 %4 %4 %4 %10 %18 %
Sand23 %19 %19 %35 %35 %19 %25 %80 %
Silt54 %37 %37 %40 %40 %37 %54 %12 %
Clay23 %44 %44 %25 %25 %44 %21 %8 %
USDA TextureSilt loamClayClayLoamLoamClaySilt loamLoamy sand
Reference Bulk Density1.35 g/cm³1.25 g/cm³1.25 g/cm³1.36 g/cm³1.36 g/cm³1.25 g/cm³1.37 g/cm³1.62 g/cm³
Bulk Density1.22 g/cm³1.23 g/cm³1.23 g/cm³1.29 g/cm³1.29 g/cm³1.23 g/cm³1.31 g/cm³1.27 g/cm³
Organic Carbon2.09 %2.44 %2.44 %1.68 %1.68 %2.44 %1.6 %0.58 %
PH6.97.27.26.26.27.26.66.8
Clay Cation Exchange Capacity67 cmol kg⁻¹65 cmol kg⁻¹65 cmol kg⁻¹52 cmol kg⁻¹52 cmol kg⁻¹65 cmol kg⁻¹71 cmol kg⁻¹64 cmol kg⁻¹
Soil Cation Exchange Capacity23 cmol kg⁻¹38 cmol kg⁻¹38 cmol kg⁻¹20 cmol kg⁻¹20 cmol kg⁻¹38 cmol kg⁻¹21 cmol kg⁻¹7 cmol kg⁻¹
Base Saturation100 %100 %100 %87 %87 %100 %99 %89 %
Total Exchangeable Bases18.6 cmol kg⁻¹42 cmol kg⁻¹42 cmol kg⁻¹16.1 cmol kg⁻¹16.1 cmol kg⁻¹42 cmol kg⁻¹14 cmol kg⁻¹7.4 cmol kg⁻¹
Calcium Carbonate0.4 %4.2 %4.2 %0 %0 %4.2 %1.6 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %0 %0 %
Exchangeable Sodium1 %1 %1 %1 %1 %1 %2 %3 %
Electrical Conductivity0.1 dS m-10.5 dS m-10.5 dS m-10.1 dS m-10.1 dS m-10.5 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel17 %6 %6 %5 %5 %6 %10 %10 %
Sand26 %14 %14 %30 %30 %14 %23 %79 %
Silt52 %39 %39 %36 %36 %39 %49 %11 %
Clay22 %47 %47 %34 %34 %47 %28 %10 %
USDA TextureSilt loamClayClayClay loamClay loamClayClay loamSandy loam
Reference Bulk Density1.37 g/cm³1.23 g/cm³1.23 g/cm³1.31 g/cm³1.31 g/cm³1.23 g/cm³1.33 g/cm³1.59 g/cm³
Bulk Density1.35 g/cm³1.37 g/cm³1.37 g/cm³1.37 g/cm³1.37 g/cm³1.37 g/cm³1.49 g/cm³1.44 g/cm³
Organic Carbon0.89 %1.25 %1.25 %0.68 %0.68 %1.25 %0.4 %0.24 %
PH7.47.37.36.96.97.376.9
Clay Cation Exchange Capacity71 cmol kg⁻¹58 cmol kg⁻¹58 cmol kg⁻¹64 cmol kg⁻¹64 cmol kg⁻¹58 cmol kg⁻¹64 cmol kg⁻¹57 cmol kg⁻¹
Soil Cation Exchange Capacity17 cmol kg⁻¹30 cmol kg⁻¹30 cmol kg⁻¹24 cmol kg⁻¹24 cmol kg⁻¹30 cmol kg⁻¹20 cmol kg⁻¹6 cmol kg⁻¹
Base Saturation100 %100 %100 %92 %92 %100 %100 %93 %
Total Exchangeable Bases17.1 cmol kg⁻¹40 cmol kg⁻¹40 cmol kg⁻¹23.8 cmol kg⁻¹23.8 cmol kg⁻¹40 cmol kg⁻¹15.3 cmol kg⁻¹9 cmol kg⁻¹
Calcium Carbonate5.4 %7.8 %7.8 %0.4 %0.4 %7.8 %3.5 %0.1 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %0 %0 %
Exchangeable Sodium2 %1 %1 %2 %2 %1 %2 %2 %
Electrical Conductivity0.1 dS m-10.5 dS m-10.5 dS m-10.1 dS m-10.1 dS m-10.5 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.