World Species : Protected Area : Oostelijke Vechtplassen

Oostelijke Vechtplassen

Location:	Netherlands
Area:	16,514 acres (6,683 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						C	D

Share	70 %	25 %	5 %	35 %	30 %	20 %	5 %	5 %	5 %		80 %	20 %
Soil Type	Haplic Podzols	Haplic Podzols	Dystric Regosols	Gleyic Podzols	Eutric Gleysols	Cumulic Anthrosols	Haplic Arenosols	Eutric Gleysols	Gleyic Podzols	Terric Histosols	Fibric Histosols	Fibric Histosols
Topsoil Texture	Coarse	Coarse	Coarse	Coarse	Coarse	Coarse	Coarse	Coarse	Coarse	Medium	Fine	Fine
Reference Depth	100 cm	100 cm	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	Somewhat excessive	Poor	Poor	Well	Somewhat excessive	Poor	Poor	Very poor	Very poor	Very poor
Available Water Capacity	15 m	15 m	15 m	100 m	150 m	150 m	100 m	150 m	100 m	150 m	150 m	150 m
Phase 1	Gravelly	Gravelly	Gravelly
Root Obstacle	40 - 60 cm	None to 80 cm	None to 80 cm	40 - 60 cm	60 - 80 cm	40 - 60 cm	None to 80 cm	60 - 80 cm	40 - 60 cm	40 - 60 cm	20 - 40 cm	20 - 40 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	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	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	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 40 cm depth for over 11 month	Wet within 80 cm over 6 months, but not wet within 40 cm for over 11 month
Topsoil Properties
Gravel	3 %	3 %	19 %	2 %	10 %	10 %	4 %	10 %	2 %	28 %	1 %	1 %
Sand	87 %	87 %	78 %	86 %	78 %	90 %	90 %	78 %	86 %	35 %	20 %	20 %
Silt	9 %	9 %	13 %	10 %	13 %	6 %	5 %	13 %	10 %	33 %	40 %	40 %
Clay	4 %	4 %	9 %	4 %	9 %	4 %	5 %	9 %	4 %	32 %	40 %	40 %
USDA Texture	Loamy sand	Loamy sand	Sandy loam	Loamy sand	Sandy loam	Sand	Sand	Sandy loam	Loamy sand	Clay loam	Clay	Clay
Reference Bulk Density	1.73 g/cm³	1.73 g/cm³	1.6 g/cm³	1.73 g/cm³	1.6 g/cm³	1.74 g/cm³	1.71 g/cm³	1.6 g/cm³	1.73 g/cm³	1.32 g/cm³	1.26 g/cm³	1.26 g/cm³
Bulk Density	1.4 g/cm³	1.4 g/cm³	1.27 g/cm³	1.31 g/cm³	1.36 g/cm³	1.4 g/cm³	1.49 g/cm³	1.36 g/cm³	1.31 g/cm³	0.28 g/cm³	0.1 g/cm³	0.1 g/cm³
Organic Carbon	2.18 %	2.18 %	0.7 %	1.97 %	0.57 %	2.41 %	0.4 %	0.57 %	1.97 %	39.4 %	33.63 %	33.63 %
PH	4.4	4.4	5.6	4.4	6.3	5.9	6.2	6.3	4.4	5.6	4.3	4.3
Clay Cation Exchange Capacity	101 cmol kg⁻¹	101 cmol kg⁻¹	29 cmol kg⁻¹	52 cmol kg⁻¹	48 cmol kg⁻¹	46 cmol kg⁻¹	35 cmol kg⁻¹	48 cmol kg⁻¹	52 cmol kg⁻¹	45 cmol kg⁻¹	45 cmol kg⁻¹	45 cmol kg⁻¹
Soil Cation Exchange Capacity	9 cmol kg⁻¹	9 cmol kg⁻¹	6 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	87 cmol kg⁻¹	77 cmol kg⁻¹	77 cmol kg⁻¹
Base Saturation	11 %	11 %	98 %	18 %	74 %	92 %	93 %	74 %	18 %	75 %	62 %	62 %
Total Exchangeable Bases	2.6 cmol kg⁻¹	2.6 cmol kg⁻¹	4.1 cmol kg⁻¹	3.6 cmol kg⁻¹	4.7 cmol kg⁻¹	1.6 cmol kg⁻¹	3.3 cmol kg⁻¹	4.7 cmol kg⁻¹	3.6 cmol kg⁻¹	59.5 cmol kg⁻¹	31.4 cmol kg⁻¹	31.4 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 %	1 %	3 %	1 %	2 %	0 %	3 %	2 %	1 %	1 %	2 %	2 %
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
Subsoil Properties
Gravel	4 %	4 %	14 %	3 %	20 %	10 %	4 %	20 %	3 %	5 %	2 %	2 %
Sand	88 %	88 %	77 %	85 %	64 %	89 %	90 %	64 %	85 %	52 %	47 %	47 %
Silt	8 %	8 %	13 %	10 %	13 %	6 %	5 %	13 %	10 %	23 %	26 %	26 %
Clay	4 %	4 %	10 %	5 %	23 %	5 %	5 %	23 %	5 %	25 %	27 %	27 %
USDA Texture	Sand	Sand	Sandy loam	Loamy sand	Sandy clay loam	Sand	Sand	Sandy clay loam	Loamy sand	Sandy clay loam	Sandy clay loam	Sandy clay loam
Reference Bulk Density	1.74 g/cm³	1.74 g/cm³	1.58 g/cm³	1.7 g/cm³	1.43 g/cm³	1.7 g/cm³	1.71 g/cm³	1.43 g/cm³	1.7 g/cm³	1.38 g/cm³	1.38 g/cm³	1.38 g/cm³
Bulk Density	1.51 g/cm³	1.51 g/cm³	1.5 g/cm³	1.54 g/cm³	1.55 g/cm³	1.38 g/cm³	1.52 g/cm³	1.55 g/cm³	1.54 g/cm³	0.18 g/cm³	0.1 g/cm³	0.1 g/cm³
Organic Carbon	0.39 %	0.39 %	0.31 %	0.91 %	0.3 %	0.88 %	0.21 %	0.3 %	0.91 %	38.46 %	32.89 %	32.89 %
PH	5	5	5.3	4.9	6.4	5.9	6.1	6.4	4.9	5.8	4.6	4.6
Clay Cation Exchange Capacity	66 cmol kg⁻¹	66 cmol kg⁻¹	36 cmol kg⁻¹	44 cmol kg⁻¹	38 cmol kg⁻¹	15 cmol kg⁻¹	39 cmol kg⁻¹	38 cmol kg⁻¹	44 cmol kg⁻¹	49 cmol kg⁻¹	71 cmol kg⁻¹	71 cmol kg⁻¹
Soil Cation Exchange Capacity	2 cmol kg⁻¹	2 cmol kg⁻¹	4 cmol kg⁻¹	3 cmol kg⁻¹	10 cmol kg⁻¹	1 cmol kg⁻¹	2 cmol kg⁻¹	10 cmol kg⁻¹	3 cmol kg⁻¹	88 cmol kg⁻¹	78 cmol kg⁻¹	78 cmol kg⁻¹
Base Saturation	21 %	21 %	28 %	21 %	81 %	89 %	100 %	81 %	21 %	96 %	40 %	40 %
Total Exchangeable Bases	1.5 cmol kg⁻¹	1.5 cmol kg⁻¹	1 cmol kg⁻¹	1.7 cmol kg⁻¹	6.9 cmol kg⁻¹	6.9 cmol kg⁻¹	2.6 cmol kg⁻¹	6.9 cmol kg⁻¹	1.7 cmol kg⁻¹	81.8 cmol kg⁻¹	27.4 cmol kg⁻¹	27.4 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	3 %	3 %	3 %	3 %	3 %	0 %	3 %	3 %	3 %	1 %	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	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