World Species : Protected Area : Confluence des vallées de l'Aisne et de l'Aire

Confluence des vallées de l'Aisne et de l'Aire

Location:	France
Area:	5,293 acres (2,142 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			D

Share	70 %	20 %	10 %	50 %	50 %	70 %	20 %	10 %	70 %	25 %	5 %
Soil Type	Calcaric Fluvisols	Calcic Gleysols	Terric Histosols	Calcaric Cambisols	Eutric Cambisols	Dystric Podzoluvisols	Dystric Planosols	Haplic Luvisols	Dystric Cambisols	Gleyic Podzoluvisols	Lithic Leptosols
Topsoil Texture	Coarse	Medium	Medium	Fine	Fine	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	100 cm	10 cm
Drainage	Poor	Poor	Very poor	Moderately well	Moderately well	Moderately well	Poor	Moderately well	Moderately well	Poor	Moderately well
Available Water Capacity	150 m	150 m	150 m	150 m	75 m	150 m	50 m	150 m	150 m	100 m	0 mm
Phase 1					Stony						Stony
Root Obstacle	None to 80 cm	None to 80 cm	None to 80 cm	None to 80 cm	40 - 60 cm	None to 80 cm	None to 80 cm	None to 80 cm	None to 80 cm	None to 80 cm
Impermeable Layer	None to 150 cm	80 - 150 cm	80 - 150 cm	80 - 150 cm	None to 150 cm	80 - 150 cm	0 - 40 cm	80 - 150 cm	None to 150 cm	40 - 80 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	Wet within 40 cm depth 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	Wet within 80 cm for 3 to 6 months, but not 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	Wet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 month
Topsoil Properties
Gravel	10 %	4 %	28 %	5 %	10 %	1 %	4 %	4 %	10 %	1 %	21 %
Sand	79 %	41 %	35 %	19 %	23 %	31 %	42 %	41 %	42 %	32 %	73 %
Silt	15 %	40 %	33 %	32 %	29 %	54 %	38 %	37 %	38 %	49 %	18 %
Clay	6 %	19 %	32 %	49 %	48 %	15 %	20 %	22 %	20 %	19 %	9 %
USDA Texture	Loamy sand	Loam	Clay loam	Clay	Clay	Silt loam	Loam	Loam	Loam	Loam	Sandy loam
Reference Bulk Density	1.66 g/cm³	1.42 g/cm³	1.32 g/cm³	1.24 g/cm³	1.25 g/cm³	1.43 g/cm³	1.41 g/cm³	1.4 g/cm³	1.41 g/cm³	1.4 g/cm³	1.59 g/cm³
Bulk Density	1.4 g/cm³	1.31 g/cm³	0.28 g/cm³	1.28 g/cm³	1.28 g/cm³	1.36 g/cm³	1.38 g/cm³	1.43 g/cm³	1.3 g/cm³	1.35 g/cm³	1.45 g/cm³
Organic Carbon	0.41 %	1.3 %	39.4 %	0.87 %	1.17 %	1.59 %	1.14 %	0.74 %	1.45 %	2.22 %	1.4 %
PH	8.3	7	5.6	7.8	6.7	5	4.5	6.5	5.1	5.3	7.5
Clay Cation Exchange Capacity	109 cmol kg⁻¹	37 cmol kg⁻¹	45 cmol kg⁻¹	57 cmol kg⁻¹	50 cmol kg⁻¹	63 cmol kg⁻¹	25 cmol kg⁻¹	47 cmol kg⁻¹	32 cmol kg⁻¹	36 cmol kg⁻¹	85 cmol kg⁻¹
Soil Cation Exchange Capacity	6 cmol kg⁻¹	13 cmol kg⁻¹	87 cmol kg⁻¹	30 cmol kg⁻¹	27 cmol kg⁻¹	19 cmol kg⁻¹	7 cmol kg⁻¹	13 cmol kg⁻¹	12 cmol kg⁻¹	17 cmol kg⁻¹	12 cmol kg⁻¹
Base Saturation	100 %	82 %	75 %	100 %	89 %	55 %	40 %	91 %	38 %	55 %	86 %
Total Exchangeable Bases	11 cmol kg⁻¹	8.8 cmol kg⁻¹	59.5 cmol kg⁻¹	46.6 cmol kg⁻¹	22.1 cmol kg⁻¹	5.7 cmol kg⁻¹	2.2 cmol kg⁻¹	11 cmol kg⁻¹	4.3 cmol kg⁻¹	5.7 cmol kg⁻¹	5.2 cmol kg⁻¹
Calcium Carbonate	9.1 %	1 %	0 %	4.9 %	0.1 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0.1 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	4 %	2 %	1 %	1 %	1 %	0 %	2 %	1 %	2 %	0 %	1 %
Electrical Conductivity	0.4 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	0.1 dS m-1	0.1 dS m-1
Subsoil Properties
Gravel	10 %	5 %	5 %	5 %	24 %	4 %	4 %	3 %	19 %	4 %
Sand	79 %	44 %	52 %	23 %	26 %	24 %	28 %	37 %	45 %	25 %
Silt	15 %	37 %	23 %	35 %	29 %	50 %	29 %	34 %	35 %	51 %
Clay	6 %	19 %	25 %	42 %	45 %	26 %	43 %	29 %	20 %	24 %
USDA Texture	Loamy sand	Loam	Sandy clay loam	Clay	Clay	Silt loam	Clay	Clay loam	Loam	Silt loam
Reference Bulk Density	1.66 g/cm³	1.42 g/cm³	1.38 g/cm³	1.26 g/cm³	1.26 g/cm³	1.34 g/cm³	1.27 g/cm³	1.35 g/cm³	1.42 g/cm³	1.35 g/cm³
Bulk Density	1.5 g/cm³	1.47 g/cm³	0.18 g/cm³	1.35 g/cm³	1.35 g/cm³	1.61 g/cm³	1.41 g/cm³	1.51 g/cm³	1.36 g/cm³	1.6 g/cm³
Organic Carbon	0.17 %	0.44 %	38.46 %	0.39 %	0.58 %	0.2 %	0.37 %	0.36 %	0.5 %	0.5 %
PH	8.3	7.2	5.8	8.1	7	5.3	4.8	6.7	5.2	5.4
Clay Cation Exchange Capacity	137 cmol kg⁻¹	40 cmol kg⁻¹	49 cmol kg⁻¹	58 cmol kg⁻¹	51 cmol kg⁻¹	67 cmol kg⁻¹	26 cmol kg⁻¹	50 cmol kg⁻¹	35 cmol kg⁻¹	40 cmol kg⁻¹
Soil Cation Exchange Capacity	6 cmol kg⁻¹	12 cmol kg⁻¹	88 cmol kg⁻¹	26 cmol kg⁻¹	25 cmol kg⁻¹	14 cmol kg⁻¹	10 cmol kg⁻¹	14 cmol kg⁻¹	9 cmol kg⁻¹	14 cmol kg⁻¹
Base Saturation	94 %	86 %	96 %	100 %	97 %	59 %	57 %	93 %	33 %	59 %
Total Exchangeable Bases	13.9 cmol kg⁻¹	10 cmol kg⁻¹	81.8 cmol kg⁻¹	44.8 cmol kg⁻¹	25.9 cmol kg⁻¹	4.9 cmol kg⁻¹	11.4 cmol kg⁻¹	13.1 cmol kg⁻¹	2.6 cmol kg⁻¹	4.9 cmol kg⁻¹
Calcium Carbonate	9.9 %	1 %	0 %	11.2 %	0.3 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	4 %	2 %	1 %	2 %	1 %	0 %	7 %	1 %	2 %	0 %
Electrical Conductivity	0.4 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	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