World Species : Protected Area : GORGES DE LA DORDOGNE

GORGES DE LA DORDOGNE

Location:	France
Area:	113,760 acres (46,037 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

Western European broadleaf forests

Soils

— Protected Area Boundary

	A			B			C

Share	70 %	15 %	15 %	70 %	15 %	15 %	50 %	30 %	20 %
Soil Type	Haplic Andosols	Haplic Andosols	Mollic Andosols	Dystric Cambisols	Humic Cambisols	Cambic Podzols	Cambic Podzols	Dystric Cambisols	Haplic Podzols
Topsoil Texture	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Coarse
Reference Depth	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Somewhat excessive
Available Water Capacity	150 m	150 m	150 m	150 m	150 m	150 m	50 m	50 m	15 m
Phase 1							Gravelly	Gravelly	Gravelly
Phase 2							Stony	Stony	Stony
Root Obstacle	None to 80 cm	None to 80 cm	None to 80 cm	60 - 80 cm	60 - 80 cm	60 - 80 cm	60 - 80 cm	60 - 80 cm	60 - 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
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	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	Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month
Topsoil Properties
Gravel	4 %	4 %	14 %	10 %	8 %	15 %	15 %	10 %	3 %
Sand	32 %	32 %	39 %	42 %	41 %	48 %	48 %	42 %	87 %
Silt	47 %	47 %	39 %	38 %	36 %	40 %	40 %	38 %	9 %
Clay	21 %	21 %	22 %	20 %	23 %	12 %	12 %	20 %	4 %
USDA Texture	Loam	Loam	Loam	Loam	Loam	Loam	Loam	Loam	Loamy sand
Reference Bulk Density	1.38 g/cm³	1.38 g/cm³	1.39 g/cm³	1.41 g/cm³	1.39 g/cm³	1.5 g/cm³	1.5 g/cm³	1.41 g/cm³	1.73 g/cm³
Bulk Density	0.76 g/cm³	0.76 g/cm³	0.86 g/cm³	1.3 g/cm³	1.1 g/cm³	0.96 g/cm³	0.96 g/cm³	1.3 g/cm³	1.4 g/cm³
Organic Carbon	6.74 %	6.74 %	3.43 %	1.45 %	2.72 %	3.15 %	3.15 %	1.45 %	2.18 %
PH	5.9	5.9	6.7	5.1	5.3	5	5	5.1	4.4
Clay Cation Exchange Capacity	78 cmol kg⁻¹	78 cmol kg⁻¹	98 cmol kg⁻¹	32 cmol kg⁻¹	52 cmol kg⁻¹	66 cmol kg⁻¹	66 cmol kg⁻¹	32 cmol kg⁻¹	101 cmol kg⁻¹
Soil Cation Exchange Capacity	30 cmol kg⁻¹	30 cmol kg⁻¹	30 cmol kg⁻¹	12 cmol kg⁻¹	21 cmol kg⁻¹	17 cmol kg⁻¹	17 cmol kg⁻¹	12 cmol kg⁻¹	9 cmol kg⁻¹
Base Saturation	16 %	16 %	78 %	38 %	25 %	10 %	10 %	38 %	11 %
Total Exchangeable Bases	6.4 cmol kg⁻¹	6.4 cmol kg⁻¹	24.5 cmol kg⁻¹	4.3 cmol kg⁻¹	5.4 cmol kg⁻¹	4.4 cmol kg⁻¹	4.4 cmol kg⁻¹	4.3 cmol kg⁻¹	2.6 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0.1 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	1 %	1 %	2 %	1 %	0 %	0 %	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	9 %	9 %	18 %	19 %	6 %	17 %	17 %	19 %	4 %
Sand	34 %	34 %	40 %	45 %	44 %	55 %	55 %	45 %	88 %
Silt	44 %	44 %	36 %	35 %	32 %	33 %	33 %	35 %	8 %
Clay	22 %	22 %	24 %	20 %	24 %	12 %	12 %	20 %	4 %
USDA Texture	Loam	Loam	Loam	Loam	Loam	Sandy loam	Sandy loam	Loam	Sand
Reference Bulk Density	1.38 g/cm³	1.38 g/cm³	1.38 g/cm³	1.42 g/cm³	1.39 g/cm³	1.51 g/cm³	1.51 g/cm³	1.42 g/cm³	1.74 g/cm³
Bulk Density	0.79 g/cm³	0.79 g/cm³	0.81 g/cm³	1.36 g/cm³	1.16 g/cm³	1.29 g/cm³	1.29 g/cm³	1.36 g/cm³	1.51 g/cm³
Organic Carbon	1.99 %	1.99 %	1.41 %	0.5 %	1.07 %	1.13 %	1.13 %	0.5 %	0.39 %
PH	6.1	6.1	6.8	5.2	5.3	5.1	5.1	5.2	5
Clay Cation Exchange Capacity	79 cmol kg⁻¹	79 cmol kg⁻¹	85 cmol kg⁻¹	35 cmol kg⁻¹	37 cmol kg⁻¹	65 cmol kg⁻¹	65 cmol kg⁻¹	35 cmol kg⁻¹	66 cmol kg⁻¹
Soil Cation Exchange Capacity	27 cmol kg⁻¹	27 cmol kg⁻¹	29 cmol kg⁻¹	9 cmol kg⁻¹	14 cmol kg⁻¹	13 cmol kg⁻¹	13 cmol kg⁻¹	9 cmol kg⁻¹	2 cmol kg⁻¹
Base Saturation	33 %	33 %	78 %	33 %	30 %	13 %	13 %	33 %	21 %
Total Exchangeable Bases	4.7 cmol kg⁻¹	4.7 cmol kg⁻¹	22.5 cmol kg⁻¹	2.6 cmol kg⁻¹	2.5 cmol kg⁻¹	0.8 cmol kg⁻¹	0.8 cmol kg⁻¹	2.6 cmol kg⁻¹	1.5 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0.3 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	1 %	2 %	2 %	2 %	0 %	0 %	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

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