World Species : Protected Area : Vijvercomplex van Midden Limburg

Vijvercomplex van Midden Limburg

Location:	Belgium
Area:	6,333 acres (2,563 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

Atlantic mixed forests

Soils

— Protected Area Boundary

	A					B

Share	55 %	20 %	15 %	5 %	5 %	45 %	20 %	15 %	15 %	5 %
Soil Type	Haplic Podzols	Haplic Podzols	Luvic Arenosols	Dystric Gleysols	Dystric Regosols	Gleyic Podzols	Cumulic Anthrosols	Haplic Arenosols	Eutric Gleysols	Dystric Regosols
Topsoil Texture	Coarse	Coarse	Coarse	Medium	Coarse	Coarse	Coarse	Coarse	Coarse	Coarse
Reference Depth	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Somewhat excessive	Somewhat excessive	Moderately well	Poor	Somewhat excessive	Poor	Well	Somewhat excessive	Poor	Somewhat excessive
Available Water Capacity	50 m	100 m	100 m	150 m	100 m	100 m	150 m	100 m	150 m	100 m
Phase 1	Stony
Root Obstacle	40 - 60 cm	None to 80 cm	None to 80 cm	None to 80 cm	None to 80 cm	60 - 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	None to 150 cm	None to 150 cm
Soil Water Regime	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	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	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	Wet within 80 cm for 3 to 6 months, but not 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	Wet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 month
Topsoil Properties
Gravel	3 %	3 %	3 %	2 %	19 %	2 %	10 %	4 %	10 %	19 %
Sand	87 %	87 %	90 %	40 %	78 %	86 %	90 %	90 %	78 %	78 %
Silt	9 %	9 %	5 %	39 %	13 %	10 %	6 %	5 %	13 %	13 %
Clay	4 %	4 %	5 %	21 %	9 %	4 %	4 %	5 %	9 %	9 %
USDA Texture	Loamy sand	Loamy sand	Sand	Loam	Sandy loam	Loamy sand	Sand	Sand	Sandy loam	Sandy loam
Reference Bulk Density	1.73 g/cm³	1.73 g/cm³	1.71 g/cm³	1.4 g/cm³	1.6 g/cm³	1.73 g/cm³	1.74 g/cm³	1.71 g/cm³	1.6 g/cm³	1.6 g/cm³
Bulk Density	1.4 g/cm³	1.4 g/cm³	1.5 g/cm³	1.3 g/cm³	1.27 g/cm³	1.31 g/cm³	1.4 g/cm³	1.49 g/cm³	1.36 g/cm³	1.27 g/cm³
Organic Carbon	2.18 %	2.18 %	0.39 %	1.17 %	0.7 %	1.97 %	2.41 %	0.4 %	0.57 %	0.7 %
PH	4.4	4.4	5.8	5.1	5.6	4.4	5.9	6.2	6.3	5.6
Clay Cation Exchange Capacity	101 cmol kg⁻¹	101 cmol kg⁻¹	35 cmol kg⁻¹	25 cmol kg⁻¹	29 cmol kg⁻¹	52 cmol kg⁻¹	46 cmol kg⁻¹	35 cmol kg⁻¹	48 cmol kg⁻¹	29 cmol kg⁻¹
Soil Cation Exchange Capacity	9 cmol kg⁻¹	9 cmol kg⁻¹	3 cmol kg⁻¹	11 cmol kg⁻¹	6 cmol kg⁻¹	6 cmol kg⁻¹	1 cmol kg⁻¹	3 cmol kg⁻¹	6 cmol kg⁻¹	6 cmol kg⁻¹
Base Saturation	11 %	11 %	76 %	47 %	98 %	18 %	92 %	93 %	74 %	98 %
Total Exchangeable Bases	2.6 cmol kg⁻¹	2.6 cmol kg⁻¹	2 cmol kg⁻¹	5.5 cmol kg⁻¹	4.1 cmol kg⁻¹	3.6 cmol kg⁻¹	1.6 cmol kg⁻¹	3.3 cmol kg⁻¹	4.7 cmol kg⁻¹	4.1 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	1 %	3 %	1 %	3 %	1 %	0 %	3 %	2 %	3 %
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
Subsoil Properties
Gravel	4 %	4 %	4 %	6 %	14 %	3 %	10 %	4 %	20 %	14 %
Sand	88 %	88 %	87 %	41 %	77 %	85 %	89 %	90 %	64 %	77 %
Silt	8 %	8 %	5 %	34 %	13 %	10 %	6 %	5 %	13 %	13 %
Clay	4 %	4 %	8 %	25 %	10 %	5 %	5 %	5 %	23 %	10 %
USDA Texture	Sand	Sand	Loamy sand	Loam	Sandy loam	Loamy sand	Sand	Sand	Sandy clay loam	Sandy loam
Reference Bulk Density	1.74 g/cm³	1.74 g/cm³	1.63 g/cm³	1.38 g/cm³	1.58 g/cm³	1.7 g/cm³	1.7 g/cm³	1.71 g/cm³	1.43 g/cm³	1.58 g/cm³
Bulk Density	1.51 g/cm³	1.51 g/cm³	1.5 g/cm³	1.36 g/cm³	1.5 g/cm³	1.54 g/cm³	1.38 g/cm³	1.52 g/cm³	1.55 g/cm³	1.5 g/cm³
Organic Carbon	0.39 %	0.39 %	0.2 %	0.4 %	0.31 %	0.91 %	0.88 %	0.21 %	0.3 %	0.31 %
PH	5	5	5.7	5.3	5.3	4.9	5.9	6.1	6.4	5.3
Clay Cation Exchange Capacity	66 cmol kg⁻¹	66 cmol kg⁻¹	34 cmol kg⁻¹	29 cmol kg⁻¹	36 cmol kg⁻¹	44 cmol kg⁻¹	15 cmol kg⁻¹	39 cmol kg⁻¹	38 cmol kg⁻¹	36 cmol kg⁻¹
Soil Cation Exchange Capacity	2 cmol kg⁻¹	2 cmol kg⁻¹	3 cmol kg⁻¹	10 cmol kg⁻¹	4 cmol kg⁻¹	3 cmol kg⁻¹	1 cmol kg⁻¹	2 cmol kg⁻¹	10 cmol kg⁻¹	4 cmol kg⁻¹
Base Saturation	21 %	21 %	75 %	47 %	28 %	21 %	89 %	100 %	81 %	28 %
Total Exchangeable Bases	1.5 cmol kg⁻¹	1.5 cmol kg⁻¹	2.3 cmol kg⁻¹	6.1 cmol kg⁻¹	1 cmol kg⁻¹	1.7 cmol kg⁻¹	6.9 cmol kg⁻¹	2.6 cmol kg⁻¹	6.9 cmol kg⁻¹	1 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	3 %	3 %	3 %	1 %	3 %	3 %	0 %	3 %	3 %	3 %
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

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