World Species : Protected Area : Forêts picardes : massif de Saint-Gobain

Forêts picardes : massif de Saint-Gobain

Location:	France
Area:	29,087 acres (11,771 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		C			D					E

Share	50 %	30 %	20 %	70 %	30 %	90 %	5 %	5 %	70 %	20 %	5 %	3 %	2 %	70 %	30 %
Soil Type	Haplic Arenosols	Eutric Cambisols	Eutric Cambisols	Rendzic Leptosols	Calcaric Cambisols	Eutric Cambisols	Rendzic Leptosols	Haplic Arenosols	Haplic Luvisols	Eutric Fluvisols	Gleyic Luvisols	Luvic Arenosols	Rendzic Leptosols	Haplic Podzols	Luvic Arenosols
Topsoil Texture	Coarse	Medium	Medium	Medium	Medium	Fine	Fine	Coarse	Medium	Medium	Medium	Coarse	Medium	Coarse	Coarse
Reference Depth	100 cm	100 cm	100 cm	30 cm	100 cm	100 cm	30 cm	100 cm	100 cm	100 cm	100 cm	100 cm	30 cm	100 cm	100 cm
Drainage	Somewhat excessive	Moderately well	Moderately well	Imperfectly	Moderately well	Moderately well	Imperfectly	Somewhat excessive	Moderately well	Poor	Poor	Moderately well	Imperfectly	Somewhat excessive	Moderately well
Available Water Capacity	100 m	150 m	150 m	15 mm	100 m	50 m	15 mm	100 m	150 m	150 m	100 m	100 m	50 mm	100 m	100 m
Phase 1				Stony	Stony	Stony	Stony
Root Obstacle	None to 80 cm	None to 80 cm	60 - 80 cm		60 - 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		40 - 60 cm	None to 80 cm
Impermeable Layer	None to 150 cm	None to 150 cm	None to 150 cm		None to 150 cm	40 - 80 cm		None to 150 cm	None to 150 cm	80 - 150 cm	40 - 80 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	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		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 %	9 %	9 %	16 %	6 %	10 %	20 %	4 %	4 %	4 %	5 %	3 %	16 %	3 %	3 %
Sand	90 %	42 %	42 %	37 %	36 %	23 %	19 %	90 %	41 %	39 %	47 %	90 %	37 %	87 %	90 %
Silt	5 %	36 %	36 %	44 %	43 %	29 %	37 %	5 %	37 %	40 %	29 %	5 %	44 %	9 %	5 %
Clay	5 %	22 %	22 %	19 %	21 %	48 %	44 %	5 %	22 %	21 %	24 %	5 %	19 %	4 %	5 %
USDA Texture	Sand	Loam	Loam	Loam	Loam	Clay	Clay	Sand	Loam	Loam	Loam	Sand	Loam	Loamy sand	Sand
Reference Bulk Density	1.71 g/cm³	1.4 g/cm³	1.4 g/cm³	1.41 g/cm³	1.39 g/cm³	1.25 g/cm³	1.25 g/cm³	1.71 g/cm³	1.4 g/cm³	1.4 g/cm³	1.39 g/cm³	1.71 g/cm³	1.41 g/cm³	1.73 g/cm³	1.71 g/cm³
Bulk Density	1.49 g/cm³	1.37 g/cm³	1.37 g/cm³	1.24 g/cm³	1.41 g/cm³	1.28 g/cm³	1.32 g/cm³	1.49 g/cm³	1.43 g/cm³	1.36 g/cm³	1.54 g/cm³	1.5 g/cm³	1.24 g/cm³	1.4 g/cm³	1.5 g/cm³
Organic Carbon	0.4 %	1 %	1 %	2.13 %	0.65 %	1.17 %	2.1 %	0.4 %	0.74 %	0.86 %	0.83 %	0.39 %	2.13 %	2.18 %	0.39 %
PH	6.2	6.6	6.6	7.5	8	6.7	7.7	6.2	6.5	7.2	6.3	5.8	7.5	4.4	5.8
Clay Cation Exchange Capacity	35 cmol kg⁻¹	55 cmol kg⁻¹	55 cmol kg⁻¹	80 cmol kg⁻¹	52 cmol kg⁻¹	50 cmol kg⁻¹	51 cmol kg⁻¹	35 cmol kg⁻¹	47 cmol kg⁻¹	63 cmol kg⁻¹	46 cmol kg⁻¹	35 cmol kg⁻¹	80 cmol kg⁻¹	101 cmol kg⁻¹	35 cmol kg⁻¹
Soil Cation Exchange Capacity	3 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	27 cmol kg⁻¹	16 cmol kg⁻¹	27 cmol kg⁻¹	33 cmol kg⁻¹	3 cmol kg⁻¹	13 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	3 cmol kg⁻¹	27 cmol kg⁻¹	9 cmol kg⁻¹	3 cmol kg⁻¹
Base Saturation	93 %	93 %	93 %	100 %	100 %	89 %	100 %	93 %	91 %	91 %	93 %	76 %	100 %	11 %	76 %
Total Exchangeable Bases	3.3 cmol kg⁻¹	14 cmol kg⁻¹	14 cmol kg⁻¹	28.8 cmol kg⁻¹	24.3 cmol kg⁻¹	22.1 cmol kg⁻¹	34.5 cmol kg⁻¹	3.3 cmol kg⁻¹	11 cmol kg⁻¹	16.9 cmol kg⁻¹	14.9 cmol kg⁻¹	2 cmol kg⁻¹	28.8 cmol kg⁻¹	2.6 cmol kg⁻¹	2 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	6 %	7 %	0.1 %	15 %	0 %	0 %	0.5 %	0 %	0 %	6 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	3 %	2 %	2 %	2 %	1 %	1 %	1 %	3 %	1 %	2 %	2 %	3 %	2 %	1 %	3 %
Electrical Conductivity	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	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	4 %	12 %	12 %		10 %	24 %		4 %	3 %	7 %	6 %	4 %		4 %	4 %
Sand	90 %	41 %	41 %		34 %	26 %		90 %	37 %	41 %	39 %	87 %		88 %	87 %
Silt	5 %	34 %	34 %		43 %	29 %		5 %	34 %	38 %	27 %	5 %		8 %	5 %
Clay	5 %	25 %	25 %		23 %	45 %		5 %	29 %	21 %	34 %	8 %		4 %	8 %
USDA Texture	Sand	Loam	Loam		Loam	Clay		Sand	Clay loam	Loam	Clay loam	Loamy sand		Sand	Loamy sand
Reference Bulk Density	1.71 g/cm³	1.38 g/cm³	1.38 g/cm³		1.38 g/cm³	1.26 g/cm³		1.71 g/cm³	1.35 g/cm³	1.4 g/cm³	1.33 g/cm³	1.63 g/cm³		1.74 g/cm³	1.63 g/cm³
Bulk Density	1.52 g/cm³	1.39 g/cm³	1.39 g/cm³		1.45 g/cm³	1.35 g/cm³		1.52 g/cm³	1.51 g/cm³	1.39 g/cm³	1.65 g/cm³	1.5 g/cm³		1.51 g/cm³	1.5 g/cm³
Organic Carbon	0.21 %	0.37 %	0.37 %		0.43 %	0.58 %		0.21 %	0.36 %	0.38 %	0.28 %	0.2 %		0.39 %	0.2 %
PH	6.1	7	7		8.1	7		6.1	6.7	7.5	7	5.7		5	5.7
Clay Cation Exchange Capacity	39 cmol kg⁻¹	55 cmol kg⁻¹	55 cmol kg⁻¹		54 cmol kg⁻¹	51 cmol kg⁻¹		39 cmol kg⁻¹	50 cmol kg⁻¹	61 cmol kg⁻¹	44 cmol kg⁻¹	34 cmol kg⁻¹		66 cmol kg⁻¹	34 cmol kg⁻¹
Soil Cation Exchange Capacity	2 cmol kg⁻¹	15 cmol kg⁻¹	15 cmol kg⁻¹		16 cmol kg⁻¹	25 cmol kg⁻¹		2 cmol kg⁻¹	14 cmol kg⁻¹	14 cmol kg⁻¹	16 cmol kg⁻¹	3 cmol kg⁻¹		2 cmol kg⁻¹	3 cmol kg⁻¹
Base Saturation	100 %	93 %	93 %		100 %	97 %		100 %	93 %	96 %	99 %	75 %		21 %	75 %
Total Exchangeable Bases	2.6 cmol kg⁻¹	15.1 cmol kg⁻¹	15.1 cmol kg⁻¹		28.7 cmol kg⁻¹	25.9 cmol kg⁻¹		2.6 cmol kg⁻¹	13.1 cmol kg⁻¹	15.2 cmol kg⁻¹	15.9 cmol kg⁻¹	2.3 cmol kg⁻¹		1.5 cmol kg⁻¹	2.3 cmol kg⁻¹
Calcium Carbonate	0 %	0.1 %	0.1 %		8.7 %	0.3 %		0 %	0 %	2.5 %	0.4 %	0 %		0 %	0 %
Calcium Sulphate	0 %	0 %	0 %		0.4 %	0 %		0 %	0 %	0 %	0 %	0 %		0 %	0 %
Exchangeable Sodium	3 %	2 %	2 %		1 %	1 %		3 %	1 %	3 %	2 %	3 %		3 %	3 %
Electrical Conductivity	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		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