World Species : Protected Area : Sokhondinskiy Biosphere Reserve

Sokhondinskiy Biosphere Reserve

Location:	Chita, Russia
IUCN Category:	Ia
Area:	521,363 acres (210,988 hectares)
Species:	All Endangered Invasive
Website:	View website
Climate:	View Climate Data
Land Use:	View Land Use Data
Köppen climate classification:	Dwc (Climate: snow; Precipitation: winter dry; Temperature: cool summer)

Ecoregions

Trans-Baikal conifer forests

Soils

— Protected Area Boundary

	A	B		C		D	E			F	G	H

Share		90 %	10 %	90 %	10 %		70 %	10 %	10 %	90 %		80 %	10 %
Soil Type	Dystric Gleysols	Gelic Gleysols	Dystric Gleysols	Gelic Gleysols	Ferric Podzols	Lithic Leptosols	Ferric Podzols	Gelic Gleysols	Ferric Podzols	Ferric Podzols	Ferric Podzols	Ferric Podzols	Ferric Podzols
Topsoil Texture	Medium	Medium	Medium	Medium	Coarse	Coarse	Coarse	Medium	Coarse	Coarse	Coarse	Coarse	Coarse
Reference Depth	100 cm	100 cm	100 cm	100 cm	100 cm	10 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Poor	Poor	Poor	Poor	Somewhat excessive	Moderately well	Somewhat excessive	Poor	Somewhat excessive	Somewhat excessive	Somewhat excessive	Somewhat excessive	Somewhat excessive
Available Water Capacity	150 m	150 m	150 m	150 m	15 m	0 mm	15 m	150 m	100 m	15 m	15 m	100 m	15 m
Phase 1	Phreatic	Phreatic	Phreatic	Phreatic	Gravelly	Stony	Gravelly	Phreatic		Gravelly	Gravelly		Gravelly
Phase 2						Gravelly
Root Obstacle	0 - 80 cm	None to 80 cm	0 - 80 cm	None to 80 cm	0 - 80 cm		0 - 80 cm	None to 80 cm	None to 80 cm	0 - 80 cm	0 - 80 cm	None to 80 cm	0 - 80 cm
Impermeable Layer	None to 150 cm	None to 150 cm	None to 150 cm	None to 150 cm	80 - 150 cm		80 - 150 cm	None to 150 cm	None to 150 cm	80 - 150 cm	80 - 150 cm	None to 150 cm	80 - 150 cm
Soil Water Regime	Wet within 40 cm depth for over 11 month	Wet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 month	Wet within 40 cm depth for over 11 month	Wet within 80 cm for 3 to 6 months, but not 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 for 3 to 6 months, but not 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
Misc. Property		Gelic (permafrost within 200 cm)		Gelic (permafrost within 200 cm)				Gelic (permafrost within 200 cm)
Topsoil Properties
Gravel	2 %	4 %	2 %	4 %	3 %	21 %	3 %	4 %	3 %	3 %	3 %	3 %	3 %
Sand	40 %	37 %	40 %	37 %	86 %	73 %	86 %	37 %	86 %	86 %	86 %	86 %	86 %
Silt	39 %	46 %	39 %	46 %	8 %	18 %	8 %	46 %	8 %	8 %	8 %	8 %	8 %
Clay	21 %	17 %	21 %	17 %	6 %	9 %	6 %	17 %	6 %	6 %	6 %	6 %	6 %
USDA Texture	Loam	Loam	Loam	Loam	Loamy sand	Sandy loam	Loamy sand	Loam	Loamy sand	Loamy sand	Loamy sand	Loamy sand	Loamy sand
Reference Bulk Density	1.4 g/cm³	1.43 g/cm³	1.4 g/cm³	1.43 g/cm³	1.67 g/cm³	1.59 g/cm³	1.67 g/cm³	1.43 g/cm³	1.67 g/cm³	1.67 g/cm³	1.67 g/cm³	1.67 g/cm³	1.67 g/cm³
Bulk Density	1.3 g/cm³	1.44 g/cm³	1.3 g/cm³	1.44 g/cm³	1.41 g/cm³	1.45 g/cm³	1.41 g/cm³	1.44 g/cm³	1.41 g/cm³	1.41 g/cm³	1.41 g/cm³	1.41 g/cm³	1.41 g/cm³
Organic Carbon	1.17 %	3.14 %	1.17 %	3.14 %	2.02 %	1.4 %	2.02 %	3.14 %	2.02 %	2.02 %	2.02 %	2.02 %	2.02 %
PH	5.1	6.3	5.1	6.3	4.5	7.5	4.5	6.3	4.5	4.5	4.5	4.5	4.5
Clay Cation Exchange Capacity	25 cmol kg⁻¹	104 cmol kg⁻¹	25 cmol kg⁻¹	104 cmol kg⁻¹	78 cmol kg⁻¹	85 cmol kg⁻¹	78 cmol kg⁻¹	104 cmol kg⁻¹	78 cmol kg⁻¹	78 cmol kg⁻¹	78 cmol kg⁻¹	78 cmol kg⁻¹	78 cmol kg⁻¹
Soil Cation Exchange Capacity	11 cmol kg⁻¹	37 cmol kg⁻¹	11 cmol kg⁻¹	37 cmol kg⁻¹	5 cmol kg⁻¹	12 cmol kg⁻¹	5 cmol kg⁻¹	37 cmol kg⁻¹	5 cmol kg⁻¹	5 cmol kg⁻¹	5 cmol kg⁻¹	5 cmol kg⁻¹	5 cmol kg⁻¹
Base Saturation	47 %	82 %	47 %	82 %	17 %	86 %	17 %	82 %	17 %	17 %	17 %	17 %	17 %
Total Exchangeable Bases	5.5 cmol kg⁻¹	8.8 cmol kg⁻¹	5.5 cmol kg⁻¹	8.8 cmol kg⁻¹	2.5 cmol kg⁻¹	5.2 cmol kg⁻¹	2.5 cmol kg⁻¹	8.8 cmol kg⁻¹	2.5 cmol kg⁻¹	2.5 cmol kg⁻¹	2.5 cmol kg⁻¹	2.5 cmol kg⁻¹	2.5 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	0 %	1 %	0 %	0 %	1 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Electrical Conductivity	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1
Subsoil Properties
Gravel	6 %	5 %	6 %	5 %	3 %		3 %	5 %	3 %	3 %	3 %	3 %	3 %
Sand	41 %	33 %	41 %	33 %	86 %		86 %	33 %	86 %	86 %	86 %	86 %	86 %
Silt	34 %	46 %	34 %	46 %	6 %		6 %	46 %	6 %	6 %	6 %	6 %	6 %
Clay	25 %	21 %	25 %	21 %	8 %		8 %	21 %	8 %	8 %	8 %	8 %	8 %
USDA Texture	Loam	Loam	Loam	Loam	Loamy sand		Loamy sand	Loam	Loamy sand	Loamy sand	Loamy sand	Loamy sand	Loamy sand
Reference Bulk Density	1.38 g/cm³	1.39 g/cm³	1.38 g/cm³	1.39 g/cm³	1.63 g/cm³		1.63 g/cm³	1.39 g/cm³	1.63 g/cm³	1.63 g/cm³	1.63 g/cm³	1.63 g/cm³	1.63 g/cm³
Bulk Density	1.36 g/cm³	1.54 g/cm³	1.36 g/cm³	1.54 g/cm³	1.57 g/cm³		1.57 g/cm³	1.54 g/cm³	1.57 g/cm³	1.57 g/cm³	1.57 g/cm³	1.57 g/cm³	1.57 g/cm³
Organic Carbon	0.4 %	0.8 %	0.4 %	0.8 %	0.51 %		0.51 %	0.8 %	0.51 %	0.51 %	0.51 %	0.51 %	0.51 %
PH	5.3	6.7	5.3	6.7	5.1		5.1	6.7	5.1	5.1	5.1	5.1	5.1
Clay Cation Exchange Capacity	29 cmol kg⁻¹	87 cmol kg⁻¹	29 cmol kg⁻¹	87 cmol kg⁻¹	50 cmol kg⁻¹		50 cmol kg⁻¹	87 cmol kg⁻¹	50 cmol kg⁻¹	50 cmol kg⁻¹	50 cmol kg⁻¹	50 cmol kg⁻¹	50 cmol kg⁻¹
Soil Cation Exchange Capacity	10 cmol kg⁻¹	15 cmol kg⁻¹	10 cmol kg⁻¹	15 cmol kg⁻¹	2 cmol kg⁻¹		2 cmol kg⁻¹	15 cmol kg⁻¹	2 cmol kg⁻¹	2 cmol kg⁻¹	2 cmol kg⁻¹	2 cmol kg⁻¹	2 cmol kg⁻¹
Base Saturation	47 %	86 %	47 %	86 %	21 %		21 %	86 %	21 %	21 %	21 %	21 %	21 %
Total Exchangeable Bases	6.1 cmol kg⁻¹	10 cmol kg⁻¹	6.1 cmol kg⁻¹	10 cmol kg⁻¹	1.5 cmol kg⁻¹		1.5 cmol kg⁻¹	10 cmol kg⁻¹	1.5 cmol kg⁻¹	1.5 cmol kg⁻¹	1.5 cmol kg⁻¹	1.5 cmol kg⁻¹	1.5 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	0 %	0 %		0 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %		0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	2 %	1 %	2 %	0 %		0 %	2 %	0 %	0 %	0 %	0 %	0 %
Electrical Conductivity	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1		0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 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