World Species : Protected Area : Ovcharovo Meadows

Ovcharovo Meadows

Location:	Bulgaria
Area:	3,652 acres (1,478 hectares)
Species:	All Endangered Invasive
Climate:	View Climate Data
Land Use:	View Land Use Data
Köppen climate classification:	Cfb (Climate: warm temperate; Precipitation: fully humid; Temperature: warm summer)
Natura 2000 Data Sheet:	View Data Sheet Explanatory notes

Soils

— Protected Area Boundary

	A		B				C

Share	85 %	15 %	75 %	10 %	10 %	5 %	70 %	20 %	10 %
Soil Type	Calcic Chernozems	Calcaric Regosols	Luvic Phaeozems	Calcaric Regosols	Eutric Regosols	Luvic Chernozems	Haplic Luvisols	Rendzic Leptosols	Lithic Leptosols
Topsoil Texture	Medium	Medium	Medium	Medium	Medium	Fine	Medium	Medium	Medium
Reference Depth	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	30 cm	10 cm
Drainage	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Imperfectly	Imperfectly
Available Water Capacity	150 m	150 m	150 m	150 m	150 m	150 m	100 m	15 mm	15 mm
Phase 1							Stony	Stony	Stony
Root Obstacle	None to 80 cm	None to 80 cm	None to 80 cm	None to 80 cm	None to 80 cm	None to 80 cm	20 - 40 cm
Impermeable Layer	None to 150 cm	None to 150 cm	None to 150 cm	None to 150 cm	None to 150 cm	None to 150 cm	None to 150 cm
Soil Water Regime	Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month	Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month	Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month	Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month	Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month	Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month	Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month
Topsoil Properties
Gravel	4 %	14 %	4 %	14 %	25 %	4 %	4 %	16 %	21 %
Sand	28 %	44 %	35 %	44 %	47 %	19 %	41 %	37 %	42 %
Silt	47 %	35 %	40 %	35 %	34 %	37 %	37 %	44 %	34 %
Clay	25 %	21 %	25 %	21 %	19 %	44 %	22 %	19 %	24 %
USDA Texture	Loam	Loam	Loam	Loam	Loam	Clay	Loam	Loam	Loam
Reference Bulk Density	1.35 g/cm³	1.41 g/cm³	1.36 g/cm³	1.41 g/cm³	1.43 g/cm³	1.25 g/cm³	1.4 g/cm³	1.41 g/cm³	1.38 g/cm³
Bulk Density	1.21 g/cm³	1.37 g/cm³	1.29 g/cm³	1.37 g/cm³	1.21 g/cm³	1.23 g/cm³	1.43 g/cm³	1.24 g/cm³	1.3 g/cm³
Organic Carbon	1.65 %	0.75 %	1.68 %	0.75 %	0.98 %	2.44 %	0.74 %	2.13 %	1.61 %
PH	7.8	8	6.2	8	6.4	7.2	6.5	7.5	7.5
Clay Cation Exchange Capacity	64 cmol kg⁻¹	45 cmol kg⁻¹	52 cmol kg⁻¹	45 cmol kg⁻¹	40 cmol kg⁻¹	65 cmol kg⁻¹	47 cmol kg⁻¹	80 cmol kg⁻¹	42 cmol kg⁻¹
Soil Cation Exchange Capacity	23 cmol kg⁻¹	17 cmol kg⁻¹	20 cmol kg⁻¹	17 cmol kg⁻¹	12 cmol kg⁻¹	38 cmol kg⁻¹	13 cmol kg⁻¹	27 cmol kg⁻¹	16 cmol kg⁻¹
Base Saturation	100 %	100 %	87 %	100 %	78 %	100 %	91 %	100 %	100 %
Total Exchangeable Bases	38 cmol kg⁻¹	26.8 cmol kg⁻¹	16.1 cmol kg⁻¹	26.8 cmol kg⁻¹	14 cmol kg⁻¹	42 cmol kg⁻¹	11 cmol kg⁻¹	28.8 cmol kg⁻¹	15.5 cmol kg⁻¹
Calcium Carbonate	4.6 %	15 %	0 %	15 %	0 %	4.2 %	0 %	6 %	3.9 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	2 %	1 %	2 %	1 %	1 %	1 %	2 %	3 %
Electrical Conductivity	0.4 dS m-1	0.2 dS m-1	0.1 dS m-1	0.2 dS m-1	0.1 dS m-1	0.5 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1
Subsoil Properties
Gravel	17 %	18 %	5 %	18 %	28 %	6 %	3 %
Sand	28 %	40 %	30 %	40 %	51 %	14 %	37 %
Silt	47 %	35 %	36 %	35 %	31 %	39 %	34 %
Clay	25 %	25 %	34 %	25 %	18 %	47 %	29 %
USDA Texture	Loam	Loam	Clay loam	Loam	Loam	Clay	Clay loam
Reference Bulk Density	1.35 g/cm³	1.37 g/cm³	1.31 g/cm³	1.37 g/cm³	1.44 g/cm³	1.23 g/cm³	1.35 g/cm³
Bulk Density	1.3 g/cm³	1.5 g/cm³	1.37 g/cm³	1.5 g/cm³	1.45 g/cm³	1.37 g/cm³	1.51 g/cm³
Organic Carbon	0.78 %	0.47 %	0.68 %	0.47 %	0.4 %	1.25 %	0.36 %
PH	8.2	8.1	6.9	8.1	6.9	7.3	6.7
Clay Cation Exchange Capacity	81 cmol kg⁻¹	52 cmol kg⁻¹	64 cmol kg⁻¹	52 cmol kg⁻¹	56 cmol kg⁻¹	58 cmol kg⁻¹	50 cmol kg⁻¹
Soil Cation Exchange Capacity	24 cmol kg⁻¹	15 cmol kg⁻¹	24 cmol kg⁻¹	15 cmol kg⁻¹	11 cmol kg⁻¹	30 cmol kg⁻¹	14 cmol kg⁻¹
Base Saturation	100 %	100 %	92 %	100 %	89 %	100 %	93 %
Total Exchangeable Bases	29.1 cmol kg⁻¹	36.5 cmol kg⁻¹	23.8 cmol kg⁻¹	36.5 cmol kg⁻¹	10.3 cmol kg⁻¹	40 cmol kg⁻¹	13.1 cmol kg⁻¹
Calcium Carbonate	13.6 %	15 %	0.4 %	15 %	0 %	7.8 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	2 %	2 %	2 %	2 %	2 %	1 %	1 %
Electrical Conductivity	0.4 dS m-1	0.3 dS m-1	0.1 dS m-1	0.3 dS m-1	0.1 dS m-1	0.5 dS m-1	0.1 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