World Species : Protected Area : Gorges de la Dourbie et causses avoisinants

Gorges de la Dourbie et causses avoisinants

Location:	France
Area:	69,476 acres (28,116 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

Northeastern Spain and Southern France Mediterranean forests
Western European broadleaf forests

Soils

— Protected Area Boundary

	A		B		C		D		E			F

Share	90 %	10 %	50 %	50 %	70 %	30 %	70 %	30 %	50 %	30 %	20 %	50 %	30 %	20 %
Soil Type	Calcaric Fluvisols	Eutric Gleysols	Lithic Leptosols	Eutric Cambisols	Umbric Leptosols	Haplic Podzols	Dystric Cambisols	Lithic Leptosols	Calcaric Cambisols	Eutric Cambisols	Eutric Regosols	Cambic Podzols	Dystric Cambisols	Haplic Podzols
Topsoil Texture	Medium	Medium	Medium	Fine	Medium	Medium	Medium	Coarse	Coarse	Coarse	Fine	Medium	Medium	Coarse
Reference Depth	100 cm	100 cm	10 cm	100 cm	30 cm	100 cm	100 cm	10 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Poor	Poor	Imperfectly	Moderately well	Imperfectly	Moderately well	Moderately well	Moderately well	Well	Well	Moderately well	Moderately well	Moderately well	Somewhat excessive
Available Water Capacity	150 m	150 m	15 mm	75 m	15 mm	50 m	100 m	0 mm	100 m	100 m	150 m	50 m	50 m	15 m
Phase 1			Stony	Stony	Gravelly	Gravelly	Stony	Stony				Gravelly	Gravelly	Gravelly
Phase 2					Stony	Stony						Stony	Stony	Stony
Root Obstacle	None to 80 cm	None to 80 cm		40 - 60 cm		40 - 60 cm	40 - 60 cm		40 - 60 cm	40 - 60 cm	40 - 60 cm	60 - 80 cm	60 - 80 cm	60 - 80 cm
Impermeable Layer	None to 150 cm	80 - 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		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	15 %	4 %	21 %	10 %	6 %	15 %	10 %	21 %	5 %	10 %	48 %	15 %	10 %	3 %
Sand	34 %	37 %	42 %	23 %	49 %	50 %	42 %	73 %	76 %	77 %	26 %	48 %	42 %	87 %
Silt	48 %	40 %	34 %	29 %	31 %	40 %	38 %	18 %	12 %	14 %	30 %	40 %	38 %	9 %
Clay	18 %	23 %	24 %	48 %	20 %	10 %	20 %	9 %	12 %	9 %	44 %	12 %	20 %	4 %
USDA Texture	Loam	Loam	Loam	Clay	Loam	Loam	Loam	Sandy loam	Sandy loam	Sandy loam	Clay	Loam	Loam	Loamy sand
Reference Bulk Density	1.41 g/cm³	1.38 g/cm³	1.38 g/cm³	1.25 g/cm³	1.43 g/cm³	1.53 g/cm³	1.41 g/cm³	1.59 g/cm³	1.55 g/cm³	1.6 g/cm³	1.26 g/cm³	1.5 g/cm³	1.41 g/cm³	1.73 g/cm³
Bulk Density	1.39 g/cm³	1.35 g/cm³	1.3 g/cm³	1.28 g/cm³	1.1 g/cm³	1.41 g/cm³	1.3 g/cm³	1.45 g/cm³	1.48 g/cm³	1.5 g/cm³	1.28 g/cm³	0.96 g/cm³	1.3 g/cm³	1.4 g/cm³
Organic Carbon	0.6 %	1.07 %	1.61 %	1.17 %	2.4 %	5.27 %	1.45 %	1.4 %	0.36 %	0.7 %	1.89 %	3.15 %	1.45 %	2.18 %
PH	8	6.2	7.5	6.7	5.1	4.5	5.1	7.5	8.2	6.9	6.1	5	5.1	4.4
Clay Cation Exchange Capacity	68 cmol kg⁻¹	41 cmol kg⁻¹	42 cmol kg⁻¹	50 cmol kg⁻¹	34 cmol kg⁻¹	89 cmol kg⁻¹	32 cmol kg⁻¹	85 cmol kg⁻¹	37 cmol kg⁻¹	49 cmol kg⁻¹	52 cmol kg⁻¹	66 cmol kg⁻¹	32 cmol kg⁻¹	101 cmol kg⁻¹
Soil Cation Exchange Capacity	14 cmol kg⁻¹	13 cmol kg⁻¹	16 cmol kg⁻¹	27 cmol kg⁻¹	12 cmol kg⁻¹	28 cmol kg⁻¹	12 cmol kg⁻¹	12 cmol kg⁻¹	10 cmol kg⁻¹	7 cmol kg⁻¹	24 cmol kg⁻¹	17 cmol kg⁻¹	12 cmol kg⁻¹	9 cmol kg⁻¹
Base Saturation	100 %	88 %	100 %	89 %	36 %	11 %	38 %	86 %	97 %	91 %	62 %	10 %	38 %	11 %
Total Exchangeable Bases	19.8 cmol kg⁻¹	10.2 cmol kg⁻¹	15.5 cmol kg⁻¹	22.1 cmol kg⁻¹	4.7 cmol kg⁻¹	5.6 cmol kg⁻¹	4.3 cmol kg⁻¹	5.2 cmol kg⁻¹	8.4 cmol kg⁻¹	6.7 cmol kg⁻¹	12.9 cmol kg⁻¹	4.4 cmol kg⁻¹	4.3 cmol kg⁻¹	2.6 cmol kg⁻¹
Calcium Carbonate	11.7 %	0 %	3.9 %	0.1 %	0 %	0 %	0 %	0 %	3 %	0.1 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0.2 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	3 %	2 %	3 %	1 %	4 %	1 %	2 %	1 %	7 %	2 %	0 %	0 %	2 %	1 %
Electrical Conductivity	0.7 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	0.2 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	10 %	5 %		24 %		15 %	19 %		9 %	20 %	33 %	17 %	19 %	4 %
Sand	36 %	36 %		26 %		55 %	45 %		70 %	67 %	24 %	55 %	45 %	88 %
Silt	46 %	36 %		29 %		35 %	35 %		14 %	16 %	27 %	33 %	35 %	8 %
Clay	18 %	28 %		45 %		10 %	20 %		16 %	17 %	49 %	12 %	20 %	4 %
USDA Texture	Loam	Clay loam		Clay		Sandy loam	Loam		Sandy loam	Sandy loam	Clay	Sandy loam	Loam	Sand
Reference Bulk Density	1.41 g/cm³	1.35 g/cm³		1.26 g/cm³		1.54 g/cm³	1.42 g/cm³		1.5 g/cm³	1.48 g/cm³	1.24 g/cm³	1.51 g/cm³	1.42 g/cm³	1.74 g/cm³
Bulk Density	1.41 g/cm³	1.5 g/cm³		1.35 g/cm³		1.44 g/cm³	1.36 g/cm³		1.43 g/cm³	1.5 g/cm³	1.35 g/cm³	1.29 g/cm³	1.36 g/cm³	1.51 g/cm³
Organic Carbon	0.4 %	0.37 %		0.58 %		0.81 %	0.5 %		0.34 %	0.4 %	0.61 %	1.13 %	0.5 %	0.39 %
PH	8.1	6.6		7		5	5.2		8	7.3	6.4	5.1	5.2	5
Clay Cation Exchange Capacity	84 cmol kg⁻¹	42 cmol kg⁻¹		51 cmol kg⁻¹		55 cmol kg⁻¹	35 cmol kg⁻¹		36 cmol kg⁻¹	48 cmol kg⁻¹	40 cmol kg⁻¹	65 cmol kg⁻¹	35 cmol kg⁻¹	66 cmol kg⁻¹
Soil Cation Exchange Capacity	13 cmol kg⁻¹	13 cmol kg⁻¹		25 cmol kg⁻¹		8 cmol kg⁻¹	9 cmol kg⁻¹		22 cmol kg⁻¹	8 cmol kg⁻¹	23 cmol kg⁻¹	13 cmol kg⁻¹	9 cmol kg⁻¹	2 cmol kg⁻¹
Base Saturation	100 %	90 %		97 %		13 %	33 %		84 %	91 %	55 %	13 %	33 %	21 %
Total Exchangeable Bases	20.7 cmol kg⁻¹	11.9 cmol kg⁻¹		25.9 cmol kg⁻¹		0.8 cmol kg⁻¹	2.6 cmol kg⁻¹		7.9 cmol kg⁻¹	9.3 cmol kg⁻¹	11.6 cmol kg⁻¹	0.8 cmol kg⁻¹	2.6 cmol kg⁻¹	1.5 cmol kg⁻¹
Calcium Carbonate	12.2 %	0 %		0.3 %		0 %	0 %		5.5 %	0.1 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0.2 %	0 %		0 %		0 %	0 %		0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	3 %	2 %		1 %		0 %	2 %		4 %	2 %	0 %	0 %	2 %	3 %
Electrical Conductivity	0.5 dS m-1	0.1 dS m-1		0.1 dS m-1		0.1 dS m-1	0.1 dS m-1		0.4 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