World Species : Protected Area : Vallées de la Vire et du Ton (Rouvroy; Virton)

Vallées de la Vire et du Ton (Rouvroy; Virton)

Location:	Belgium
Area:	713 acres (289 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

Ecoregions

Western European broadleaf forests

Soils

— Protected Area Boundary

	A					B

Share	80 %	5 %	5 %	5 %	5 %	70 %	20 %	5 %	5 %
Soil Type	Stagnic Luvisols	Haplic Luvisols	Eutric Cambisols	Lithic Leptosols	Eutric Gleysols	Eutric Fluvisols	Eutric Fluvisols	Eutric Cambisols	Terric Histosols
Topsoil Texture	Fine	Medium	Medium	Fine	Medium	Medium	Medium	Medium	Medium
Reference Depth	100 cm	100 cm	100 cm	10 cm	100 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Poor	Moderately well	Moderately well	Imperfectly	Poor	Poor	Poor	Moderately well	Very poor
Available Water Capacity	150 m	150 m	50 m	15 mm	150 m	150 m	150 m	150 m	150 m
Phase 1			Gravelly	Stony
Root Obstacle	60 - 80 cm	60 - 80 cm	60 - 80 cm		60 - 80 cm	None to 80 cm	None to 80 cm	None to 80 cm	None to 80 cm
Impermeable Layer	80 - 150 cm	None to 150 cm	None to 150 cm		80 - 150 cm	80 - 150 cm	None to 150 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 over 6 months, but not wet within 40 cm 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	Wet within 40 cm depth for over 11 month
Topsoil Properties
Gravel	4 %	4 %	9 %	17 %	4 %	4 %	4 %	9 %	28 %
Sand	25 %	41 %	42 %	28 %	37 %	39 %	39 %	42 %	35 %
Silt	22 %	37 %	36 %	25 %	40 %	40 %	40 %	36 %	33 %
Clay	53 %	22 %	22 %	47 %	23 %	21 %	21 %	22 %	32 %
USDA Texture	Clay	Loam	Loam	Clay	Loam	Loam	Loam	Loam	Clay loam
Reference Bulk Density	1.24 g/cm³	1.4 g/cm³	1.4 g/cm³	1.26 g/cm³	1.38 g/cm³	1.4 g/cm³	1.4 g/cm³	1.4 g/cm³	1.32 g/cm³
Bulk Density	1.3 g/cm³	1.43 g/cm³	1.37 g/cm³	1.4 g/cm³	1.35 g/cm³	1.36 g/cm³	1.36 g/cm³	1.37 g/cm³	0.28 g/cm³
Organic Carbon	0.93 %	0.74 %	1 %	2.3 %	1.07 %	0.86 %	0.86 %	1 %	39.4 %
PH	5.9	6.5	6.6	7.5	6.2	7.2	7.2	6.6	5.6
Clay Cation Exchange Capacity	39 cmol kg⁻¹	47 cmol kg⁻¹	55 cmol kg⁻¹	33 cmol kg⁻¹	41 cmol kg⁻¹	63 cmol kg⁻¹	63 cmol kg⁻¹	55 cmol kg⁻¹	45 cmol kg⁻¹
Soil Cation Exchange Capacity	27 cmol kg⁻¹	13 cmol kg⁻¹	16 cmol kg⁻¹	35 cmol kg⁻¹	13 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	87 cmol kg⁻¹
Base Saturation	100 %	91 %	93 %	100 %	88 %	91 %	91 %	93 %	75 %
Total Exchangeable Bases	23 cmol kg⁻¹	11 cmol kg⁻¹	14 cmol kg⁻¹	37.6 cmol kg⁻¹	10.2 cmol kg⁻¹	16.9 cmol kg⁻¹	16.9 cmol kg⁻¹	14 cmol kg⁻¹	59.5 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	1.4 %	0 %	0.5 %	0.5 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	4 %	1 %	2 %	1 %	2 %	2 %	2 %	2 %	1 %
Electrical Conductivity	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.4 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	8 %	3 %	12 %		5 %	7 %	7 %	12 %	5 %
Sand	23 %	37 %	41 %		36 %	41 %	41 %	41 %	52 %
Silt	21 %	34 %	34 %		36 %	38 %	38 %	34 %	23 %
Clay	56 %	29 %	25 %		28 %	21 %	21 %	25 %	25 %
USDA Texture	Clay	Clay loam	Loam		Clay loam	Loam	Loam	Loam	Sandy clay loam
Reference Bulk Density	1.22 g/cm³	1.35 g/cm³	1.38 g/cm³		1.35 g/cm³	1.4 g/cm³	1.4 g/cm³	1.38 g/cm³	1.38 g/cm³
Bulk Density	1.32 g/cm³	1.51 g/cm³	1.39 g/cm³		1.5 g/cm³	1.39 g/cm³	1.39 g/cm³	1.39 g/cm³	0.18 g/cm³
Organic Carbon	0.54 %	0.36 %	0.37 %		0.37 %	0.38 %	0.38 %	0.37 %	38.46 %
PH	6.8	6.7	7		6.6	7.5	7.5	7	5.8
Clay Cation Exchange Capacity	38 cmol kg⁻¹	50 cmol kg⁻¹	55 cmol kg⁻¹		42 cmol kg⁻¹	61 cmol kg⁻¹	61 cmol kg⁻¹	55 cmol kg⁻¹	49 cmol kg⁻¹
Soil Cation Exchange Capacity	17 cmol kg⁻¹	14 cmol kg⁻¹	15 cmol kg⁻¹		13 cmol kg⁻¹	14 cmol kg⁻¹	14 cmol kg⁻¹	15 cmol kg⁻¹	88 cmol kg⁻¹
Base Saturation	100 %	93 %	93 %		90 %	96 %	96 %	93 %	96 %
Total Exchangeable Bases	25.9 cmol kg⁻¹	13.1 cmol kg⁻¹	15.1 cmol kg⁻¹		11.9 cmol kg⁻¹	15.2 cmol kg⁻¹	15.2 cmol kg⁻¹	15.1 cmol kg⁻¹	81.8 cmol kg⁻¹
Calcium Carbonate	0.4 %	0 %	0.1 %		0 %	2.5 %	2.5 %	0.1 %	0 %
Calcium Sulphate	0 %	0 %	0 %		0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	1 %	2 %		2 %	3 %	3 %	2 %	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