World Species : Protected Area : Tsentral'no-Chernozemny Biosphere Reserve

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
Köppen climate classification:	Dfb (Climate: snow; Precipitation: fully humid; Temperature: warm summer)

Ecoregions

East European forest steppe

Soils

— Protected Area Boundary

	A		B		C			D

Share	90 %	10 %	90 %	10 %	80 %	10 %	10 %
Soil Type	Haplic Chernozems	Luvic Chernozems	Luvic Chernozems	Luvic Phaeozems	Luvic Phaeozems	Luvic Chernozems	Haplic Greyzems	Eutric Fluvisols
Topsoil Texture	Medium	Fine	Fine	Medium	Medium	Fine	Medium	Coarse
Reference Depth	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Poor
Available Water Capacity	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m
Phase 1								Flooded
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	None to 80 cm	None to 80 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	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	Wet within 80 cm over 6 months, but not wet within 40 cm for over 11 month
Topsoil Properties
Gravel	4 %	4 %	4 %	4 %	4 %	4 %	10 %	18 %
Sand	23 %	19 %	19 %	35 %	35 %	19 %	25 %	80 %
Silt	54 %	37 %	37 %	40 %	40 %	37 %	54 %	12 %
Clay	23 %	44 %	44 %	25 %	25 %	44 %	21 %	8 %
USDA Texture	Silt loam	Clay	Clay	Loam	Loam	Clay	Silt loam	Loamy sand
Reference Bulk Density	1.35 g/cm³	1.25 g/cm³	1.25 g/cm³	1.36 g/cm³	1.36 g/cm³	1.25 g/cm³	1.37 g/cm³	1.62 g/cm³
Bulk Density	1.22 g/cm³	1.23 g/cm³	1.23 g/cm³	1.29 g/cm³	1.29 g/cm³	1.23 g/cm³	1.31 g/cm³	1.27 g/cm³
Organic Carbon	2.09 %	2.44 %	2.44 %	1.68 %	1.68 %	2.44 %	1.6 %	0.58 %
PH	6.9	7.2	7.2	6.2	6.2	7.2	6.6	6.8
Clay Cation Exchange Capacity	67 cmol kg⁻¹	65 cmol kg⁻¹	65 cmol kg⁻¹	52 cmol kg⁻¹	52 cmol kg⁻¹	65 cmol kg⁻¹	71 cmol kg⁻¹	64 cmol kg⁻¹
Soil Cation Exchange Capacity	23 cmol kg⁻¹	38 cmol kg⁻¹	38 cmol kg⁻¹	20 cmol kg⁻¹	20 cmol kg⁻¹	38 cmol kg⁻¹	21 cmol kg⁻¹	7 cmol kg⁻¹
Base Saturation	100 %	100 %	100 %	87 %	87 %	100 %	99 %	89 %
Total Exchangeable Bases	18.6 cmol kg⁻¹	42 cmol kg⁻¹	42 cmol kg⁻¹	16.1 cmol kg⁻¹	16.1 cmol kg⁻¹	42 cmol kg⁻¹	14 cmol kg⁻¹	7.4 cmol kg⁻¹
Calcium Carbonate	0.4 %	4.2 %	4.2 %	0 %	0 %	4.2 %	1.6 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	1 %	1 %	1 %	1 %	1 %	2 %	3 %
Electrical Conductivity	0.1 dS m-1	0.5 dS m-1	0.5 dS m-1	0.1 dS m-1	0.1 dS m-1	0.5 dS m-1	0.1 dS m-1	0.1 dS m-1
Subsoil Properties
Gravel	17 %	6 %	6 %	5 %	5 %	6 %	10 %	10 %
Sand	26 %	14 %	14 %	30 %	30 %	14 %	23 %	79 %
Silt	52 %	39 %	39 %	36 %	36 %	39 %	49 %	11 %
Clay	22 %	47 %	47 %	34 %	34 %	47 %	28 %	10 %
USDA Texture	Silt loam	Clay	Clay	Clay loam	Clay loam	Clay	Clay loam	Sandy loam
Reference Bulk Density	1.37 g/cm³	1.23 g/cm³	1.23 g/cm³	1.31 g/cm³	1.31 g/cm³	1.23 g/cm³	1.33 g/cm³	1.59 g/cm³
Bulk Density	1.35 g/cm³	1.37 g/cm³	1.37 g/cm³	1.37 g/cm³	1.37 g/cm³	1.37 g/cm³	1.49 g/cm³	1.44 g/cm³
Organic Carbon	0.89 %	1.25 %	1.25 %	0.68 %	0.68 %	1.25 %	0.4 %	0.24 %
PH	7.4	7.3	7.3	6.9	6.9	7.3	7	6.9
Clay Cation Exchange Capacity	71 cmol kg⁻¹	58 cmol kg⁻¹	58 cmol kg⁻¹	64 cmol kg⁻¹	64 cmol kg⁻¹	58 cmol kg⁻¹	64 cmol kg⁻¹	57 cmol kg⁻¹
Soil Cation Exchange Capacity	17 cmol kg⁻¹	30 cmol kg⁻¹	30 cmol kg⁻¹	24 cmol kg⁻¹	24 cmol kg⁻¹	30 cmol kg⁻¹	20 cmol kg⁻¹	6 cmol kg⁻¹
Base Saturation	100 %	100 %	100 %	92 %	92 %	100 %	100 %	93 %
Total Exchangeable Bases	17.1 cmol kg⁻¹	40 cmol kg⁻¹	40 cmol kg⁻¹	23.8 cmol kg⁻¹	23.8 cmol kg⁻¹	40 cmol kg⁻¹	15.3 cmol kg⁻¹	9 cmol kg⁻¹
Calcium Carbonate	5.4 %	7.8 %	7.8 %	0.4 %	0.4 %	7.8 %	3.5 %	0.1 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	2 %	1 %	1 %	2 %	2 %	1 %	2 %	2 %
Electrical Conductivity	0.1 dS m-1	0.5 dS m-1	0.5 dS m-1	0.1 dS m-1	0.1 dS m-1	0.5 dS m-1	0.1 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