Mechka Fish-ponds

Location:Bulgaria
Area:6,766 acres (2,738 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Cfa (Climate: warm temperate; Precipitation: fully humid; Temperature: hot summer)
Natura 2000 Data Sheet:View Data Sheet  Explanatory notes

Ecoregions

Balkan mixed forests

Soils

Protected Area Boundary
 A
  
Share85 %15 %
Soil TypeCalcic ChernozemsCalcaric Regosols
Topsoil TextureMediumMedium
Reference Depth100 cm100 cm
DrainageModerately wellModerately well
Available Water Capacity150 m150 m
Root ObstacleNone to 80 cmNone to 80 cm
Impermeable LayerNone 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 month
Topsoil Properties
Gravel4 %14 %
Sand28 %44 %
Silt47 %35 %
Clay25 %21 %
USDA TextureLoamLoam
Reference Bulk Density1.35 g/cm³1.41 g/cm³
Bulk Density1.21 g/cm³1.37 g/cm³
Organic Carbon1.65 %0.75 %
PH7.88
Clay Cation Exchange Capacity64 cmol kg⁻¹45 cmol kg⁻¹
Soil Cation Exchange Capacity23 cmol kg⁻¹17 cmol kg⁻¹
Base Saturation100 %100 %
Total Exchangeable Bases38 cmol kg⁻¹26.8 cmol kg⁻¹
Calcium Carbonate4.6 %15 %
Calcium Sulphate0 %0 %
Exchangeable Sodium1 %2 %
Electrical Conductivity0.4 dS m-10.2 dS m-1
Subsoil Properties
Gravel17 %18 %
Sand28 %40 %
Silt47 %35 %
Clay25 %25 %
USDA TextureLoamLoam
Reference Bulk Density1.35 g/cm³1.37 g/cm³
Bulk Density1.3 g/cm³1.5 g/cm³
Organic Carbon0.78 %0.47 %
PH8.28.1
Clay Cation Exchange Capacity81 cmol kg⁻¹52 cmol kg⁻¹
Soil Cation Exchange Capacity24 cmol kg⁻¹15 cmol kg⁻¹
Base Saturation100 %100 %
Total Exchangeable Bases29.1 cmol kg⁻¹36.5 cmol kg⁻¹
Calcium Carbonate13.6 %15 %
Calcium Sulphate0 %0 %
Exchangeable Sodium2 %2 %
Electrical Conductivity0.4 dS m-10.3 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