World Species : Protected Area : Vallées de la Chevratte (Meix-devant-Virton; Rouvroy)

Vallées de la Chevratte (Meix-devant-Virton; Rouvroy)

Location:	Belgium
Area:	791 acres (320 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

Share	80 %	5 %	5 %	5 %	5 %	50 %	20 %	15 %	15 %
Soil Type	Luvic Arenosols	Haplic Luvisols	Haplic Podzols	Lithic Leptosols	Eutric Fluvisols	Eutric Cambisols	Gleyic Luvisols	Eutric Cambisols	Eutric Cambisols
Topsoil Texture	Coarse	Coarse	Coarse	Medium	Medium	Fine	Medium	Fine	Fine
Reference Depth	100 cm	100 cm	100 cm	10 cm	100 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Moderately well	Moderately well	Somewhat excessive	Imperfectly	Poor	Moderately well	Poor	Moderately well	Moderately well
Available Water Capacity	100 m	150 m	50 m	15 mm	150 m	100 m	100 m	150 m	150 m
Phase 1			Stony	Stony
Root Obstacle	None to 80 cm	None to 80 cm	40 - 60 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			40 - 80 cm	40 - 80 cm	None to 150 cm	None to 150 cm
Soil Water Regime	Wet within 40 cm depth for over 11 month	Wet within 40 cm depth for over 11 month	Wet within 80 cm over 6 months, but not wet within 40 cm for over 11 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	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
Topsoil Properties
Gravel	3 %	4 %	3 %	21 %	4 %	10 %	5 %	10 %	10 %
Sand	90 %	82 %	87 %	42 %	39 %	23 %	47 %	23 %	23 %
Silt	5 %	8 %	9 %	34 %	40 %	29 %	29 %	29 %	29 %
Clay	5 %	10 %	4 %	24 %	21 %	48 %	24 %	48 %	48 %
USDA Texture	Sand	Loamy sand	Loamy sand	Loam	Loam	Clay	Loam	Clay	Clay
Reference Bulk Density	1.71 g/cm³	1.59 g/cm³	1.73 g/cm³	1.38 g/cm³	1.4 g/cm³	1.25 g/cm³	1.39 g/cm³	1.25 g/cm³	1.25 g/cm³
Bulk Density	1.5 g/cm³	1.43 g/cm³	1.4 g/cm³	1.3 g/cm³	1.36 g/cm³	1.28 g/cm³	1.54 g/cm³	1.28 g/cm³	1.28 g/cm³
Organic Carbon	0.39 %	0.4 %	2.18 %	1.61 %	0.86 %	1.17 %	0.83 %	1.17 %	1.17 %
PH	5.8	6.5	4.4	7.5	7.2	6.7	6.3	6.7	6.7
Clay Cation Exchange Capacity	35 cmol kg⁻¹	48 cmol kg⁻¹	101 cmol kg⁻¹	42 cmol kg⁻¹	63 cmol kg⁻¹	50 cmol kg⁻¹	46 cmol kg⁻¹	50 cmol kg⁻¹	50 cmol kg⁻¹
Soil Cation Exchange Capacity	3 cmol kg⁻¹	6 cmol kg⁻¹	9 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	27 cmol kg⁻¹	16 cmol kg⁻¹	27 cmol kg⁻¹	27 cmol kg⁻¹
Base Saturation	76 %	89 %	11 %	100 %	91 %	89 %	93 %	89 %	89 %
Total Exchangeable Bases	2 cmol kg⁻¹	5.9 cmol kg⁻¹	2.6 cmol kg⁻¹	15.5 cmol kg⁻¹	16.9 cmol kg⁻¹	22.1 cmol kg⁻¹	14.9 cmol kg⁻¹	22.1 cmol kg⁻¹	22.1 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	3.9 %	0.5 %	0.1 %	0 %	0.1 %	0.1 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	3 %	2 %	1 %	3 %	2 %	1 %	2 %	1 %	1 %
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
Subsoil Properties
Gravel	4 %	6 %	4 %		7 %	24 %	6 %	24 %	24 %
Sand	87 %	75 %	88 %		41 %	26 %	39 %	26 %	26 %
Silt	5 %	8 %	8 %		38 %	29 %	27 %	29 %	29 %
Clay	8 %	17 %	4 %		21 %	45 %	34 %	45 %	45 %
USDA Texture	Loamy sand	Sandy loam	Sand		Loam	Clay	Clay loam	Clay	Clay
Reference Bulk Density	1.63 g/cm³	1.5 g/cm³	1.74 g/cm³		1.4 g/cm³	1.26 g/cm³	1.33 g/cm³	1.26 g/cm³	1.26 g/cm³
Bulk Density	1.5 g/cm³	1.57 g/cm³	1.51 g/cm³		1.39 g/cm³	1.35 g/cm³	1.65 g/cm³	1.35 g/cm³	1.35 g/cm³
Organic Carbon	0.2 %	0.24 %	0.39 %		0.38 %	0.58 %	0.28 %	0.58 %	0.58 %
PH	5.7	6.5	5		7.5	7	7	7	7
Clay Cation Exchange Capacity	34 cmol kg⁻¹	53 cmol kg⁻¹	66 cmol kg⁻¹		61 cmol kg⁻¹	51 cmol kg⁻¹	44 cmol kg⁻¹	51 cmol kg⁻¹	51 cmol kg⁻¹
Soil Cation Exchange Capacity	3 cmol kg⁻¹	10 cmol kg⁻¹	2 cmol kg⁻¹		14 cmol kg⁻¹	25 cmol kg⁻¹	16 cmol kg⁻¹	25 cmol kg⁻¹	25 cmol kg⁻¹
Base Saturation	75 %	88 %	21 %		96 %	97 %	99 %	97 %	97 %
Total Exchangeable Bases	2.3 cmol kg⁻¹	8.1 cmol kg⁻¹	1.5 cmol kg⁻¹		15.2 cmol kg⁻¹	25.9 cmol kg⁻¹	15.9 cmol kg⁻¹	25.9 cmol kg⁻¹	25.9 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %		2.5 %	0.3 %	0.4 %	0.3 %	0.3 %
Calcium Sulphate	0 %	0 %	0 %		0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	3 %	1 %	3 %		3 %	1 %	2 %	1 %	1 %
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

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