World Species : Protected Area : Tervete

Tervete

Location:	Latvia
Area:	3,395 acres (1,374 hectares)
Species:	All Endangered Invasive
Climate:	View Climate Data
Land Use:	View Land Use Data
Köppen climate classification:	Dfb (Climate: snow; Precipitation: fully humid; Temperature: warm summer)
Natura 2000 Data Sheet:	View Data Sheet Explanatory notes

Ecoregions

Sarmatic mixed forests

Soils

— Protected Area Boundary

	A				B			C

Share	60 %	20 %	15 %	5 %	75 %	15 %	10 %	40 %	30 %	15 %	10 %	5 %
Soil Type	Haplic Podzols	Gleyic Podzols	Eutric Regosols	Fibric Histosols	Albic Arenosols	Gleyic Podzols	Eutric Gleysols	Gleyic Luvisols	Gleyic Luvisols	Haplic Luvisols	Luvic Phaeozems	Calcic Luvisols
Topsoil Texture	Coarse	Coarse	Coarse	Fine	Coarse	Coarse	Coarse	Medium	Fine	Fine	Medium	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	Poor	Somewhat excessive	Very poor	Somewhat excessive	Poor	Poor	Poor	Poor	Moderately well	Moderately well	Moderately well
Available Water Capacity	100 m	100 m	15 m	150 m	100 m	100 m	150 m	150 m	150 m	150 m	150 m	150 m
Phase 1			Gravelly		Erosion	Erosion	Erosion
Root Obstacle	40 - 60 cm	None to 80 cm	None to 80 cm	None to 80 cm	None to 80 cm	40 - 60 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	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	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	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 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 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 %	2 %	15 %	1 %	3 %	2 %	10 %	5 %	4 %	19 %	4 %	4 %
Sand	87 %	86 %	83 %	20 %	88 %	86 %	78 %	47 %	43 %	31 %	35 %	34 %
Silt	9 %	10 %	11 %	40 %	7 %	10 %	13 %	29 %	16 %	22 %	40 %	22 %
Clay	4 %	4 %	6 %	40 %	5 %	4 %	9 %	24 %	41 %	47 %	25 %	44 %
USDA Texture	Loamy sand	Loamy sand	Loamy sand	Clay	Sand	Loamy sand	Sandy loam	Loam	Clay	Clay	Loam	Clay
Reference Bulk Density	1.73 g/cm³	1.73 g/cm³	1.67 g/cm³	1.26 g/cm³	1.7 g/cm³	1.73 g/cm³	1.6 g/cm³	1.39 g/cm³	1.31 g/cm³	1.26 g/cm³	1.36 g/cm³	1.28 g/cm³
Bulk Density	1.4 g/cm³	1.31 g/cm³	1.3 g/cm³	0.1 g/cm³	1.62 g/cm³	1.31 g/cm³	1.36 g/cm³	1.54 g/cm³	1.3 g/cm³	1.31 g/cm³	1.29 g/cm³	1.2 g/cm³
Organic Carbon	2.18 %	1.97 %	0.5 %	33.63 %	0.4 %	1.97 %	0.57 %	0.83 %	0.84 %	1.2 %	1.68 %	0.63 %
PH	4.4	4.4	6.6	4.3	5.9	4.4	6.3	6.3	7	6.5	6.2	8
Clay Cation Exchange Capacity	101 cmol kg⁻¹	52 cmol kg⁻¹	50 cmol kg⁻¹	45 cmol kg⁻¹	26 cmol kg⁻¹	52 cmol kg⁻¹	48 cmol kg⁻¹	46 cmol kg⁻¹	57 cmol kg⁻¹	44 cmol kg⁻¹	52 cmol kg⁻¹	64 cmol kg⁻¹
Soil Cation Exchange Capacity	9 cmol kg⁻¹	6 cmol kg⁻¹	5 cmol kg⁻¹	77 cmol kg⁻¹	3 cmol kg⁻¹	6 cmol kg⁻¹	6 cmol kg⁻¹	16 cmol kg⁻¹	24 cmol kg⁻¹	27 cmol kg⁻¹	20 cmol kg⁻¹	25 cmol kg⁻¹
Base Saturation	11 %	18 %	93 %	62 %	64 %	18 %	74 %	93 %	99 %	83 %	87 %	100 %
Total Exchangeable Bases	2.6 cmol kg⁻¹	3.6 cmol kg⁻¹	4.2 cmol kg⁻¹	31.4 cmol kg⁻¹	2.6 cmol kg⁻¹	3.6 cmol kg⁻¹	4.7 cmol kg⁻¹	14.9 cmol kg⁻¹	26 cmol kg⁻¹	22.6 cmol kg⁻¹	16.1 cmol kg⁻¹	26.2 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	1.4 %	0.1 %	0 %	9 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	1 %	3 %	2 %	3 %	1 %	2 %	2 %	1 %	1 %	1 %	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	0.6 dS m-1
Subsoil Properties
Gravel	4 %	3 %	22 %	2 %	4 %	3 %	20 %	6 %	8 %	28 %	5 %	8 %
Sand	88 %	85 %	80 %	47 %	89 %	85 %	64 %	39 %	37 %	27 %	30 %	30 %
Silt	8 %	10 %	11 %	26 %	6 %	10 %	13 %	27 %	15 %	20 %	36 %	21 %
Clay	4 %	5 %	9 %	27 %	5 %	5 %	23 %	34 %	48 %	53 %	34 %	49 %
USDA Texture	Sand	Loamy sand	Loamy sand	Sandy clay loam	Sand	Loamy sand	Sandy clay loam	Clay loam	Clay	Clay	Clay loam	Clay
Reference Bulk Density	1.74 g/cm³	1.7 g/cm³	1.6 g/cm³	1.38 g/cm³	1.7 g/cm³	1.7 g/cm³	1.43 g/cm³	1.33 g/cm³	1.27 g/cm³	1.24 g/cm³	1.31 g/cm³	1.26 g/cm³
Bulk Density	1.51 g/cm³	1.54 g/cm³	1.22 g/cm³	0.1 g/cm³	1.51 g/cm³	1.54 g/cm³	1.55 g/cm³	1.65 g/cm³	1.32 g/cm³	1.3 g/cm³	1.37 g/cm³	1.2 g/cm³
Organic Carbon	0.39 %	0.91 %	0.3 %	32.89 %	0.23 %	0.91 %	0.3 %	0.28 %	0.55 %	0.59 %	0.68 %	0.3 %
PH	5	4.9	6.7	4.6	5.6	4.9	6.4	7	7	7.4	6.9	8.2
Clay Cation Exchange Capacity	66 cmol kg⁻¹	44 cmol kg⁻¹	44 cmol kg⁻¹	71 cmol kg⁻¹	25 cmol kg⁻¹	44 cmol kg⁻¹	38 cmol kg⁻¹	44 cmol kg⁻¹	51 cmol kg⁻¹	49 cmol kg⁻¹	64 cmol kg⁻¹	62 cmol kg⁻¹
Soil Cation Exchange Capacity	2 cmol kg⁻¹	3 cmol kg⁻¹	4 cmol kg⁻¹	78 cmol kg⁻¹	2 cmol kg⁻¹	3 cmol kg⁻¹	10 cmol kg⁻¹	16 cmol kg⁻¹	27 cmol kg⁻¹	27 cmol kg⁻¹	24 cmol kg⁻¹	28 cmol kg⁻¹
Base Saturation	21 %	21 %	76 %	40 %	89 %	21 %	81 %	99 %	99 %	84 %	92 %	100 %
Total Exchangeable Bases	1.5 cmol kg⁻¹	1.7 cmol kg⁻¹	2.8 cmol kg⁻¹	27.4 cmol kg⁻¹	1.8 cmol kg⁻¹	1.7 cmol kg⁻¹	6.9 cmol kg⁻¹	15.9 cmol kg⁻¹	31.3 cmol kg⁻¹	26.2 cmol kg⁻¹	23.8 cmol kg⁻¹	28.4 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0.4 %	0 %	4 %	0.4 %	9 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	3 %	3 %	3 %	1 %	0 %	3 %	3 %	2 %	2 %	1 %	2 %	5 %
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	2.9 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