World Species : Protected Area : Duvenstedter Brook

Duvenstedter Brook

Location:	Germany
Area:	1,940 acres (785 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	60 %	20 %	15 %	5 %	50 %	30 %	10 %	5 %	5 %
Soil Type	Terric Histosols	Fibric Histosols	Umbric Gleysols	Dystric Gleysols	Haplic Podzols	Cambic Arenosols	Gleyic Podzols	Dystric Gleysols	Terric Histosols
Topsoil Texture	Medium	Fine	Medium	Medium	Coarse	Coarse	Coarse	Coarse	Medium
Reference Depth	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Very poor	Very poor	Poor	Poor	Somewhat excessive	Somewhat excessive	Poor	Poor	Very poor
Available Water Capacity	150 m	150 m	150 m	150 m	100 m	100 m	100 m	150 m	150 m
Root Obstacle	None to 80 cm	None to 80 cm	None to 80 cm	None to 80 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	None to 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 80 cm over 6 months, but not wet within 40 cm for over 11 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	Wet within 40 cm depth for over 11 month
Topsoil Properties
Gravel	28 %	1 %	4 %	2 %	3 %	2 %	2 %	10 %	28 %
Sand	35 %	20 %	38 %	40 %	87 %	89 %	86 %	74 %	35 %
Silt	33 %	40 %	42 %	39 %	9 %	6 %	10 %	16 %	33 %
Clay	32 %	40 %	20 %	21 %	4 %	5 %	4 %	10 %	32 %
USDA Texture	Clay loam	Clay	Loam	Loam	Loamy sand	Sand	Loamy sand	Sandy loam	Clay loam
Reference Bulk Density	1.32 g/cm³	1.26 g/cm³	1.4 g/cm³	1.4 g/cm³	1.73 g/cm³	1.7 g/cm³	1.73 g/cm³	1.57 g/cm³	1.32 g/cm³
Bulk Density	0.28 g/cm³	0.1 g/cm³	1.31 g/cm³	1.3 g/cm³	1.4 g/cm³	1.57 g/cm³	1.31 g/cm³	1.4 g/cm³	0.28 g/cm³
Organic Carbon	39.4 %	33.63 %	4.59 %	1.17 %	2.18 %	0.5 %	1.97 %	0.93 %	39.4 %
PH	5.6	4.3	5.2	5.1	4.4	6	4.4	5.2	5.6
Clay Cation Exchange Capacity	45 cmol kg⁻¹	45 cmol kg⁻¹	34 cmol kg⁻¹	25 cmol kg⁻¹	101 cmol kg⁻¹	40 cmol kg⁻¹	52 cmol kg⁻¹	20 cmol kg⁻¹	45 cmol kg⁻¹
Soil Cation Exchange Capacity	87 cmol kg⁻¹	77 cmol kg⁻¹	20 cmol kg⁻¹	11 cmol kg⁻¹	9 cmol kg⁻¹	3 cmol kg⁻¹	6 cmol kg⁻¹	5 cmol kg⁻¹	87 cmol kg⁻¹
Base Saturation	75 %	62 %	82 %	47 %	11 %	99 %	18 %	48 %	75 %
Total Exchangeable Bases	59.5 cmol kg⁻¹	31.4 cmol kg⁻¹	1.8 cmol kg⁻¹	5.5 cmol kg⁻¹	2.6 cmol kg⁻¹	2 cmol kg⁻¹	3.6 cmol kg⁻¹	2.6 cmol kg⁻¹	59.5 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	2 %	2 %	1 %	1 %	2 %	1 %	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	0.1 dS m-1
Subsoil Properties
Gravel	5 %	2 %	5 %	6 %	4 %	1 %	3 %	8 %	5 %
Sand	52 %	47 %	38 %	41 %	88 %	89 %	85 %	68 %	52 %
Silt	23 %	26 %	32 %	34 %	8 %	6 %	10 %	16 %	23 %
Clay	25 %	27 %	30 %	25 %	4 %	5 %	5 %	16 %	25 %
USDA Texture	Sandy clay loam	Sandy clay loam	Clay loam	Loam	Sand	Sand	Loamy sand	Sandy loam	Sandy clay loam
Reference Bulk Density	1.38 g/cm³	1.38 g/cm³	1.34 g/cm³	1.38 g/cm³	1.74 g/cm³	1.7 g/cm³	1.7 g/cm³	1.49 g/cm³	1.38 g/cm³
Bulk Density	0.18 g/cm³	0.1 g/cm³	1.49 g/cm³	1.36 g/cm³	1.51 g/cm³	1.55 g/cm³	1.54 g/cm³	1.57 g/cm³	0.18 g/cm³
Organic Carbon	38.46 %	32.89 %	0.67 %	0.4 %	0.39 %	0.3 %	0.91 %	0.23 %	38.46 %
PH	5.8	4.6	5.2	5.3	5	5.9	4.9	5	5.8
Clay Cation Exchange Capacity	49 cmol kg⁻¹	71 cmol kg⁻¹	38 cmol kg⁻¹	29 cmol kg⁻¹	66 cmol kg⁻¹	42 cmol kg⁻¹	44 cmol kg⁻¹	23 cmol kg⁻¹	49 cmol kg⁻¹
Soil Cation Exchange Capacity	88 cmol kg⁻¹	78 cmol kg⁻¹	11 cmol kg⁻¹	10 cmol kg⁻¹	2 cmol kg⁻¹	2 cmol kg⁻¹	3 cmol kg⁻¹	4 cmol kg⁻¹	88 cmol kg⁻¹
Base Saturation	96 %	40 %	86 %	47 %	21 %	98 %	21 %	54 %	96 %
Total Exchangeable Bases	81.8 cmol kg⁻¹	27.4 cmol kg⁻¹	10 cmol kg⁻¹	6.1 cmol kg⁻¹	1.5 cmol kg⁻¹	1.4 cmol kg⁻¹	1.7 cmol kg⁻¹	3.4 cmol kg⁻¹	81.8 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	1 %	4 %	1 %	3 %	3 %	3 %	3 %	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

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