World Species : Protected Area : Alfsee

Alfsee

Location:	Germany
Area:	798 acres (323 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	30 %	20 %	20 %	20 %	10 %	45 %	30 %	10 %	10 %	5 %
Soil Type	Eutric Fluvisols	Dystric Fluvisols	Eutric Gleysols	Eutric Cambisols	Umbric Gleysols	Haplic Podzols	Haplic Podzols	Gleyic Podzols	Cambic Arenosols	Fibric Histosols
Topsoil Texture	Medium	Coarse	Medium	Coarse	Medium	Coarse	Coarse	Coarse	Coarse	Fine
Reference Depth	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Poor	Poor	Poor	Well	Poor	Somewhat excessive	Somewhat excessive	Poor	Somewhat excessive	Very poor
Available Water Capacity	75 m	75 m	75 m	15 m	150 m	100 m	100 m	100 m	100 m	150 m
Phase 1	Gravelly	Gravelly	Gravelly	Gravelly
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	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
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	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	Wet within 40 cm depth 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	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 %	10 %	4 %	10 %	4 %	3 %	3 %	2 %	2 %	1 %
Sand	39 %	79 %	37 %	77 %	38 %	87 %	87 %	86 %	89 %	20 %
Silt	40 %	12 %	40 %	14 %	42 %	9 %	9 %	10 %	6 %	40 %
Clay	21 %	9 %	23 %	9 %	20 %	4 %	4 %	4 %	5 %	40 %
USDA Texture	Loam	Sandy loam	Loam	Sandy loam	Loam	Loamy sand	Loamy sand	Loamy sand	Sand	Clay
Reference Bulk Density	1.4 g/cm³	1.6 g/cm³	1.38 g/cm³	1.6 g/cm³	1.4 g/cm³	1.73 g/cm³	1.73 g/cm³	1.73 g/cm³	1.7 g/cm³	1.26 g/cm³
Bulk Density	1.36 g/cm³	1.39 g/cm³	1.35 g/cm³	1.5 g/cm³	1.31 g/cm³	1.4 g/cm³	1.4 g/cm³	1.31 g/cm³	1.57 g/cm³	0.1 g/cm³
Organic Carbon	0.86 %	0.87 %	1.07 %	0.7 %	4.59 %	2.18 %	2.18 %	1.97 %	0.5 %	33.63 %
PH	7.2	5.3	6.2	6.9	5.2	4.4	4.4	4.4	6	4.3
Clay Cation Exchange Capacity	63 cmol kg⁻¹	34 cmol kg⁻¹	41 cmol kg⁻¹	49 cmol kg⁻¹	34 cmol kg⁻¹	101 cmol kg⁻¹	101 cmol kg⁻¹	52 cmol kg⁻¹	40 cmol kg⁻¹	45 cmol kg⁻¹
Soil Cation Exchange Capacity	16 cmol kg⁻¹	5 cmol kg⁻¹	13 cmol kg⁻¹	7 cmol kg⁻¹	20 cmol kg⁻¹	9 cmol kg⁻¹	9 cmol kg⁻¹	6 cmol kg⁻¹	3 cmol kg⁻¹	77 cmol kg⁻¹
Base Saturation	91 %	55 %	88 %	91 %	82 %	11 %	11 %	18 %	99 %	62 %
Total Exchangeable Bases	16.9 cmol kg⁻¹	2.1 cmol kg⁻¹	10.2 cmol kg⁻¹	6.7 cmol kg⁻¹	1.8 cmol kg⁻¹	2.6 cmol kg⁻¹	2.6 cmol kg⁻¹	3.6 cmol kg⁻¹	2 cmol kg⁻¹	31.4 cmol kg⁻¹
Calcium Carbonate	0.5 %	0 %	0 %	0.1 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	2 %	3 %	2 %	2 %	2 %	1 %	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
Subsoil Properties
Gravel	7 %	17 %	5 %	20 %	5 %	4 %	4 %	3 %	1 %	2 %
Sand	41 %	79 %	36 %	67 %	38 %	88 %	88 %	85 %	89 %	47 %
Silt	38 %	11 %	36 %	16 %	32 %	8 %	8 %	10 %	6 %	26 %
Clay	21 %	10 %	28 %	17 %	30 %	4 %	4 %	5 %	5 %	27 %
USDA Texture	Loam	Sandy loam	Clay loam	Sandy loam	Clay loam	Sand	Sand	Loamy sand	Sand	Sandy clay loam
Reference Bulk Density	1.4 g/cm³	1.58 g/cm³	1.35 g/cm³	1.48 g/cm³	1.34 g/cm³	1.74 g/cm³	1.74 g/cm³	1.7 g/cm³	1.7 g/cm³	1.38 g/cm³
Bulk Density	1.39 g/cm³	1.5 g/cm³	1.5 g/cm³	1.5 g/cm³	1.49 g/cm³	1.51 g/cm³	1.51 g/cm³	1.54 g/cm³	1.55 g/cm³	0.1 g/cm³
Organic Carbon	0.38 %	0.26 %	0.37 %	0.4 %	0.67 %	0.39 %	0.39 %	0.91 %	0.3 %	32.89 %
PH	7.5	5.5	6.6	7.3	5.2	5	5	4.9	5.9	4.6
Clay Cation Exchange Capacity	61 cmol kg⁻¹	38 cmol kg⁻¹	42 cmol kg⁻¹	48 cmol kg⁻¹	38 cmol kg⁻¹	66 cmol kg⁻¹	66 cmol kg⁻¹	44 cmol kg⁻¹	42 cmol kg⁻¹	71 cmol kg⁻¹
Soil Cation Exchange Capacity	14 cmol kg⁻¹	4 cmol kg⁻¹	13 cmol kg⁻¹	8 cmol kg⁻¹	11 cmol kg⁻¹	2 cmol kg⁻¹	2 cmol kg⁻¹	3 cmol kg⁻¹	2 cmol kg⁻¹	78 cmol kg⁻¹
Base Saturation	96 %	46 %	90 %	91 %	86 %	21 %	21 %	21 %	98 %	40 %
Total Exchangeable Bases	15.2 cmol kg⁻¹	1.5 cmol kg⁻¹	11.9 cmol kg⁻¹	9.3 cmol kg⁻¹	10 cmol kg⁻¹	1.5 cmol kg⁻¹	1.5 cmol kg⁻¹	1.7 cmol kg⁻¹	1.4 cmol kg⁻¹	27.4 cmol kg⁻¹
Calcium Carbonate	2.5 %	0 %	0 %	0.1 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	3 %	2 %	2 %	2 %	4 %	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	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