World Species : Protected Area : Forêt de Grésigne et environs

Forêt de Grésigne et environs

Location:	France
Area:	68,451 acres (27,701 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
Western European broadleaf forests

Soils

— Protected Area Boundary

	A		B		C					D			E

Share	70 %	30 %	70 %	30 %	50 %	30 %	10 %	5 %	5 %	70 %	20 %	10 %	70 %	20 %	10 %
Soil Type	Eutric Regosols	Lithic Leptosols	Dystric Cambisols	Haplic Luvisols	Calcaric Cambisols	Rendzic Leptosols	Haplic Luvisols	Eutric Cambisols	Gleyic Podzoluvisols	Calcaric Cambisols	Lithic Leptosols	Chromic Cambisols	Calcaric Cambisols	Chromic Luvisols	Lithic Leptosols
Topsoil Texture	Medium	Medium	Medium	Medium	Fine	Fine	Medium	Fine	Medium	Fine	Fine	Fine	Medium	Medium	Medium
Reference Depth	100 cm	10 cm	100 cm	100 cm	100 cm	30 cm	100 cm	100 cm	100 cm	100 cm	10 cm	100 cm	100 cm	100 cm	10 cm
Drainage	Moderately well	Imperfectly	Moderately well	Moderately well	Moderately well	Imperfectly	Moderately well	Moderately well	Poor	Moderately well	Imperfectly	Moderately well	Moderately well	Moderately well	Imperfectly
Available Water Capacity	150 m	15 mm	50 m	150 m	150 m	15 mm	100 m	150 m	100 m	75 m	15 mm	150 m	100 m	150 m	15 mm
Phase 1		Stony	Gravelly			Stony				Stony	Stony		Stony		Stony
Root Obstacle	40 - 60 cm		60 - 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		60 - 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	40 - 80 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	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	Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month
Topsoil Properties
Gravel	25 %	21 %	10 %	4 %	5 %	20 %	4 %	10 %	1 %	5 %	17 %	2 %	6 %	12 %	21 %
Sand	47 %	42 %	42 %	41 %	19 %	19 %	41 %	23 %	32 %	19 %	28 %	21 %	36 %	48 %	42 %
Silt	34 %	34 %	38 %	37 %	32 %	37 %	37 %	29 %	49 %	32 %	25 %	29 %	43 %	28 %	34 %
Clay	19 %	24 %	20 %	22 %	49 %	44 %	22 %	48 %	19 %	49 %	47 %	50 %	21 %	24 %	24 %
USDA Texture	Loam	Loam	Loam	Loam	Clay	Clay	Loam	Clay	Loam	Clay	Clay	Clay	Loam	Loam	Loam
Reference Bulk Density	1.43 g/cm³	1.38 g/cm³	1.41 g/cm³	1.4 g/cm³	1.24 g/cm³	1.25 g/cm³	1.4 g/cm³	1.25 g/cm³	1.4 g/cm³	1.24 g/cm³	1.26 g/cm³	1.24 g/cm³	1.39 g/cm³	1.4 g/cm³	1.38 g/cm³
Bulk Density	1.21 g/cm³	1.3 g/cm³	1.3 g/cm³	1.43 g/cm³	1.28 g/cm³	1.32 g/cm³	1.43 g/cm³	1.28 g/cm³	1.35 g/cm³	1.28 g/cm³	1.4 g/cm³	1.23 g/cm³	1.41 g/cm³	1.53 g/cm³	1.3 g/cm³
Organic Carbon	0.98 %	1.61 %	1.45 %	0.74 %	0.87 %	2.1 %	0.74 %	1.17 %	2.22 %	0.87 %	2.3 %	1.43 %	0.65 %	0.83 %	1.61 %
PH	6.4	7.5	5.1	6.5	7.8	7.7	6.5	6.7	5.3	7.8	7.5	6.8	8	6.3	7.5
Clay Cation Exchange Capacity	40 cmol kg⁻¹	42 cmol kg⁻¹	32 cmol kg⁻¹	47 cmol kg⁻¹	57 cmol kg⁻¹	51 cmol kg⁻¹	47 cmol kg⁻¹	50 cmol kg⁻¹	36 cmol kg⁻¹	57 cmol kg⁻¹	33 cmol kg⁻¹	32 cmol kg⁻¹	52 cmol kg⁻¹	39 cmol kg⁻¹	42 cmol kg⁻¹
Soil Cation Exchange Capacity	12 cmol kg⁻¹	16 cmol kg⁻¹	12 cmol kg⁻¹	13 cmol kg⁻¹	30 cmol kg⁻¹	33 cmol kg⁻¹	13 cmol kg⁻¹	27 cmol kg⁻¹	17 cmol kg⁻¹	30 cmol kg⁻¹	35 cmol kg⁻¹	21 cmol kg⁻¹	16 cmol kg⁻¹	12 cmol kg⁻¹	16 cmol kg⁻¹
Base Saturation	78 %	100 %	38 %	91 %	100 %	100 %	91 %	89 %	55 %	100 %	100 %	94 %	100 %	88 %	100 %
Total Exchangeable Bases	14 cmol kg⁻¹	15.5 cmol kg⁻¹	4.3 cmol kg⁻¹	11 cmol kg⁻¹	46.6 cmol kg⁻¹	34.5 cmol kg⁻¹	11 cmol kg⁻¹	22.1 cmol kg⁻¹	5.7 cmol kg⁻¹	46.6 cmol kg⁻¹	37.6 cmol kg⁻¹	22.9 cmol kg⁻¹	24.3 cmol kg⁻¹	10 cmol kg⁻¹	15.5 cmol kg⁻¹
Calcium Carbonate	0 %	3.9 %	0 %	0 %	4.9 %	15 %	0 %	0.1 %	0 %	4.9 %	1.4 %	0.2 %	7 %	0 %	3.9 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0.1 %	0 %	0 %	0 %	0 %	0.1 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	3 %	2 %	1 %	1 %	1 %	1 %	1 %	0 %	1 %	1 %	1 %	1 %	1 %	3 %
Electrical Conductivity	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.2 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.2 dS m-1	0.4 dS m-1	0.1 dS m-1	0.4 dS m-1	0.1 dS m-1	0.1 dS m-1
Subsoil Properties
Gravel	28 %		19 %	3 %	5 %		3 %	24 %	4 %	5 %		4 %	10 %	8 %
Sand	51 %		45 %	37 %	23 %		37 %	26 %	25 %	23 %		21 %	34 %	41 %
Silt	31 %		35 %	34 %	35 %		34 %	29 %	51 %	35 %		28 %	43 %	25 %
Clay	18 %		20 %	29 %	42 %		29 %	45 %	24 %	42 %		51 %	23 %	34 %
USDA Texture	Loam		Loam	Clay loam	Clay		Clay loam	Clay	Silt loam	Clay		Clay	Loam	Clay loam
Reference Bulk Density	1.44 g/cm³		1.42 g/cm³	1.35 g/cm³	1.26 g/cm³		1.35 g/cm³	1.26 g/cm³	1.35 g/cm³	1.26 g/cm³		1.23 g/cm³	1.38 g/cm³	1.33 g/cm³
Bulk Density	1.45 g/cm³		1.36 g/cm³	1.51 g/cm³	1.35 g/cm³		1.51 g/cm³	1.35 g/cm³	1.6 g/cm³	1.35 g/cm³		1.38 g/cm³	1.45 g/cm³	1.51 g/cm³
Organic Carbon	0.4 %		0.5 %	0.36 %	0.39 %		0.36 %	0.58 %	0.5 %	0.39 %		0.58 %	0.43 %	0.4 %
PH	6.9		5.2	6.7	8.1		6.7	7	5.4	8.1		7.2	8.1	6.4
Clay Cation Exchange Capacity	56 cmol kg⁻¹		35 cmol kg⁻¹	50 cmol kg⁻¹	58 cmol kg⁻¹		50 cmol kg⁻¹	51 cmol kg⁻¹	40 cmol kg⁻¹	58 cmol kg⁻¹		31 cmol kg⁻¹	54 cmol kg⁻¹	41 cmol kg⁻¹
Soil Cation Exchange Capacity	11 cmol kg⁻¹		9 cmol kg⁻¹	14 cmol kg⁻¹	26 cmol kg⁻¹		14 cmol kg⁻¹	25 cmol kg⁻¹	14 cmol kg⁻¹	26 cmol kg⁻¹		23 cmol kg⁻¹	16 cmol kg⁻¹	15 cmol kg⁻¹
Base Saturation	89 %		33 %	93 %	100 %		93 %	97 %	59 %	100 %		96 %	100 %	90 %
Total Exchangeable Bases	10.3 cmol kg⁻¹		2.6 cmol kg⁻¹	13.1 cmol kg⁻¹	44.8 cmol kg⁻¹		13.1 cmol kg⁻¹	25.9 cmol kg⁻¹	4.9 cmol kg⁻¹	44.8 cmol kg⁻¹		19.5 cmol kg⁻¹	28.7 cmol kg⁻¹	12 cmol kg⁻¹
Calcium Carbonate	0 %		0 %	0 %	11.2 %		0 %	0.3 %	0 %	11.2 %		0.4 %	8.7 %	0 %
Calcium Sulphate	0 %		0 %	0 %	0 %		0 %	0 %	0 %	0 %		0 %	0.4 %	0 %
Exchangeable Sodium	2 %		2 %	1 %	2 %		1 %	1 %	0 %	2 %		1 %	1 %	1 %
Electrical Conductivity	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	0.2 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