New River Gorge National River
— Protected Area Boundary | | A | B | C | | | | | | | Share | 80 % | 10 % | 10 % | | 60 % | 20 % | 20 % | | Soil Type | Orthic Acrisols | Dystric Nitosols | Fluvisols | Dystric Cambisols | Dystric Cambisols | Lithosols | Orthic Acrisols | | Topsoil Texture | Medium | Medium | Medium | Medium | Medium | Medium | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 10 cm | 100 cm | | Drainage | Moderately well | Moderately well | Poor | Moderately well | Moderately well | Imperfectly | Moderately well | | Available Water Capacity | 150 m | 150 m | 150 m | 150 m | 150 m | 15 mm | 150 m | | Topsoil Properties | | Gravel | 10 % | 11 % | 4 % | 10 % | 10 % | 26 % | 10 % | | Sand | 49 % | 44 % | 39 % | 41 % | 41 % | 43 % | 49 % | | Silt | 27 % | 33 % | 41 % | 39 % | 39 % | 34 % | 27 % | | Clay | 24 % | 23 % | 20 % | 20 % | 20 % | 23 % | 24 % | | USDA Texture | Sandy clay loam | Loam | Loam | Loam | Loam | Loam | Sandy clay loam | | Reference Bulk Density | 1.4 g/cm³ | 1.39 g/cm³ | 1.41 g/cm³ | 1.41 g/cm³ | 1.41 g/cm³ | 1.39 g/cm³ | 1.4 g/cm³ | | Bulk Density | 1.4 g/cm³ | 1.35 g/cm³ | 1.36 g/cm³ | 1.3 g/cm³ | 1.3 g/cm³ | 1.3 g/cm³ | 1.4 g/cm³ | | Organic Carbon | 1 % | 0.99 % | 0.8 % | 1.45 % | 1.45 % | 1.4 % | 1 % | | PH | 4.6 | 4.9 | 7.7 | 5.1 | 5.1 | 7.6 | 4.6 | | Clay Cation Exchange Capacity | 16 cmol kg⁻¹ | 20 cmol kg⁻¹ | 53 cmol kg⁻¹ | 30 cmol kg⁻¹ | 30 cmol kg⁻¹ | 42 cmol kg⁻¹ | 16 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 7 cmol kg⁻¹ | 9 cmol kg⁻¹ | 14 cmol kg⁻¹ | 12 cmol kg⁻¹ | 12 cmol kg⁻¹ | 15 cmol kg⁻¹ | 7 cmol kg⁻¹ | | Base Saturation | 44 % | 51 % | 93 % | 37 % | 37 % | 100 % | 44 % | | Total Exchangeable Bases | 3.5 cmol kg⁻¹ | 3.1 cmol kg⁻¹ | 13.5 cmol kg⁻¹ | 4.1 cmol kg⁻¹ | 4.1 cmol kg⁻¹ | 15.6 cmol kg⁻¹ | 3.5 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 1 % | 0 % | 0 % | 3.9 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 1 % | 1 % | 2 % | 1 % | 1 % | 4 % | 1 % | | Electrical Conductivity | 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 % | 26 % | 8 % | 20 % | 20 % | | 10 % | | Sand | 40 % | 35 % | 41 % | 45 % | 45 % | | 40 % | | Silt | 24 % | 24 % | 39 % | 35 % | 35 % | | 24 % | | Clay | 36 % | 41 % | 20 % | 20 % | 20 % | | 36 % | | USDA Texture | Clay loam | Clay | Loam | Loam | Loam | | Clay loam | | Reference Bulk Density | 1.32 g/cm³ | 1.29 g/cm³ | 1.41 g/cm³ | 1.42 g/cm³ | 1.42 g/cm³ | | 1.32 g/cm³ | | Bulk Density | 1.4 g/cm³ | 1.53 g/cm³ | 1.39 g/cm³ | 1.37 g/cm³ | 1.37 g/cm³ | | 1.4 g/cm³ | | Organic Carbon | 0.42 % | 0.38 % | 0.4 % | 0.5 % | 0.5 % | | 0.42 % | | PH | 4.8 | 5 | 7.9 | 5.2 | 5.2 | | 4.8 | | Clay Cation Exchange Capacity | 14 cmol kg⁻¹ | 18 cmol kg⁻¹ | 56 cmol kg⁻¹ | 36 cmol kg⁻¹ | 36 cmol kg⁻¹ | | 14 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 6 cmol kg⁻¹ | 8 cmol kg⁻¹ | 12 cmol kg⁻¹ | 9 cmol kg⁻¹ | 9 cmol kg⁻¹ | | 6 cmol kg⁻¹ | | Base Saturation | 32 % | 28 % | 99 % | 33 % | 33 % | | 32 % | | Total Exchangeable Bases | 2.3 cmol kg⁻¹ | 4.7 cmol kg⁻¹ | 13.7 cmol kg⁻¹ | 2.6 cmol kg⁻¹ | 2.6 cmol kg⁻¹ | | 2.3 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 3.4 % | 0 % | 0 % | | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | | 0 % | | Exchangeable Sodium | 2 % | 1 % | 3 % | 1 % | 1 % | | 2 % | | Electrical Conductivity | 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 |
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