World Species : Protected Area : Gorges de la Frau et Bélesta

Gorges de la Frau et Bélesta

Location:	France
Area:	30,599 acres (12,383 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

Pyrenees conifer and mixed forests

Soils

— Protected Area Boundary

	A				B					C

Share	50 %	20 %	15 %	15 %	50 %	15 %	15 %	10 %	10 %	50 %	50 %
Soil Type	Rendzic Leptosols	Calcaric Cambisols	Eutric Cambisols	Chromic Cambisols	Dystric Cambisols	Lithic Leptosols	Lithic Leptosols	Eutric Cambisols	Haplic Luvisols	Calcaric Cambisols	Eutric Regosols
Topsoil Texture	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium
Reference Depth	30 cm	100 cm	100 cm	100 cm	100 cm	10 cm	10 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Imperfectly	Moderately well	Moderately well	Moderately well	Moderately well	Imperfectly	Imperfectly	Moderately well	Moderately well	Moderately well	Moderately well
Available Water Capacity	50 mm	100 m	150 m	150 m	100 m	15 mm	15 mm	100 m	150 m	150 m	150 m
Phase 1		Stony			Stony	Stony	Stony	Stony
Root Obstacle		40 - 60 cm	60 - 80 cm	40 - 60 cm	60 - 80 cm			60 - 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
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
Topsoil Properties
Gravel	16 %	6 %	9 %	10 %	10 %	21 %	21 %	9 %	4 %	6 %	25 %
Sand	37 %	36 %	42 %	49 %	42 %	42 %	42 %	42 %	41 %	36 %	47 %
Silt	44 %	43 %	36 %	28 %	38 %	34 %	34 %	36 %	37 %	43 %	34 %
Clay	19 %	21 %	22 %	23 %	20 %	24 %	24 %	22 %	22 %	21 %	19 %
USDA Texture	Loam	Loam	Loam	Loam	Loam	Loam	Loam	Loam	Loam	Loam	Loam
Reference Bulk Density	1.41 g/cm³	1.39 g/cm³	1.4 g/cm³	1.4 g/cm³	1.41 g/cm³	1.38 g/cm³	1.38 g/cm³	1.4 g/cm³	1.4 g/cm³	1.39 g/cm³	1.43 g/cm³
Bulk Density	1.24 g/cm³	1.41 g/cm³	1.37 g/cm³	1.31 g/cm³	1.3 g/cm³	1.3 g/cm³	1.3 g/cm³	1.37 g/cm³	1.43 g/cm³	1.41 g/cm³	1.21 g/cm³
Organic Carbon	2.13 %	0.65 %	1 %	0.98 %	1.45 %	1.61 %	1.61 %	1 %	0.74 %	0.65 %	0.98 %
PH	7.5	8	6.6	6.6	5.1	7.5	7.5	6.6	6.5	8	6.4
Clay Cation Exchange Capacity	80 cmol kg⁻¹	52 cmol kg⁻¹	55 cmol kg⁻¹	42 cmol kg⁻¹	32 cmol kg⁻¹	42 cmol kg⁻¹	42 cmol kg⁻¹	55 cmol kg⁻¹	47 cmol kg⁻¹	52 cmol kg⁻¹	40 cmol kg⁻¹
Soil Cation Exchange Capacity	27 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	13 cmol kg⁻¹	12 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	13 cmol kg⁻¹	16 cmol kg⁻¹	12 cmol kg⁻¹
Base Saturation	100 %	100 %	93 %	83 %	38 %	100 %	100 %	93 %	91 %	100 %	78 %
Total Exchangeable Bases	28.8 cmol kg⁻¹	24.3 cmol kg⁻¹	14 cmol kg⁻¹	11.6 cmol kg⁻¹	4.3 cmol kg⁻¹	15.5 cmol kg⁻¹	15.5 cmol kg⁻¹	14 cmol kg⁻¹	11 cmol kg⁻¹	24.3 cmol kg⁻¹	14 cmol kg⁻¹
Calcium Carbonate	6 %	7 %	0 %	0.1 %	0 %	3.9 %	3.9 %	0 %	0 %	7 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	2 %	1 %	2 %	2 %	2 %	3 %	3 %	2 %	1 %	1 %	1 %
Electrical Conductivity	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	0.1 dS m-1	0.1 dS m-1	0.4 dS m-1	0.1 dS m-1
Subsoil Properties
Gravel		10 %	12 %	9 %	19 %			12 %	3 %	10 %	28 %
Sand		34 %	41 %	47 %	45 %			41 %	37 %	34 %	51 %
Silt		43 %	34 %	26 %	35 %			34 %	34 %	43 %	31 %
Clay		23 %	25 %	27 %	20 %			25 %	29 %	23 %	18 %
USDA Texture		Loam	Loam	Sandy clay loam	Loam			Loam	Clay loam	Loam	Loam
Reference Bulk Density		1.38 g/cm³	1.38 g/cm³	1.38 g/cm³	1.42 g/cm³			1.38 g/cm³	1.35 g/cm³	1.38 g/cm³	1.44 g/cm³
Bulk Density		1.45 g/cm³	1.39 g/cm³	1.44 g/cm³	1.36 g/cm³			1.39 g/cm³	1.51 g/cm³	1.45 g/cm³	1.45 g/cm³
Organic Carbon		0.43 %	0.37 %	0.47 %	0.5 %			0.37 %	0.36 %	0.43 %	0.4 %
PH		8.1	7	6.7	5.2			7	6.7	8.1	6.9
Clay Cation Exchange Capacity		54 cmol kg⁻¹	55 cmol kg⁻¹	44 cmol kg⁻¹	35 cmol kg⁻¹			55 cmol kg⁻¹	50 cmol kg⁻¹	54 cmol kg⁻¹	56 cmol kg⁻¹
Soil Cation Exchange Capacity		16 cmol kg⁻¹	15 cmol kg⁻¹	15 cmol kg⁻¹	9 cmol kg⁻¹			15 cmol kg⁻¹	14 cmol kg⁻¹	16 cmol kg⁻¹	11 cmol kg⁻¹
Base Saturation		100 %	93 %	92 %	33 %			93 %	93 %	100 %	89 %
Total Exchangeable Bases		28.7 cmol kg⁻¹	15.1 cmol kg⁻¹	11.9 cmol kg⁻¹	2.6 cmol kg⁻¹			15.1 cmol kg⁻¹	13.1 cmol kg⁻¹	28.7 cmol kg⁻¹	10.3 cmol kg⁻¹
Calcium Carbonate		8.7 %	0.1 %	0.1 %	0 %			0.1 %	0 %	8.7 %	0 %
Calcium Sulphate		0.4 %	0 %	0 %	0 %			0 %	0 %	0.4 %	0 %
Exchangeable Sodium		1 %	2 %	1 %	2 %			2 %	1 %	1 %	2 %
Electrical Conductivity		0.3 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	0.3 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