Allegheny Portage Railroad Nat'l Hist. Site
— Protected Area Boundary | | A | B | | | | | | Share | 50 % | 20 % | 20 % | 10 % | 60 % | 20 % | 20 % | | Soil Type | Dystric Cambisols | Luvisols | Acrisols | Gleysols | 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 | Moderately well | Poor | 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 % | 5 % | 9 % | 4 % | 10 % | 26 % | 10 % | | Sand | 41 % | 48 % | 49 % | 38 % | 41 % | 43 % | 49 % | | Silt | 39 % | 30 % | 27 % | 40 % | 39 % | 34 % | 27 % | | Clay | 20 % | 22 % | 24 % | 22 % | 20 % | 23 % | 24 % | | USDA Texture | Loam | Loam | Sandy clay loam | Loam | Loam | Loam | Sandy clay loam | | Reference Bulk Density | 1.41 g/cm³ | 1.41 g/cm³ | 1.4 g/cm³ | 1.39 g/cm³ | 1.41 g/cm³ | 1.39 g/cm³ | 1.4 g/cm³ | | Bulk Density | 1.3 g/cm³ | 1.45 g/cm³ | 1.4 g/cm³ | 1.33 g/cm³ | 1.3 g/cm³ | 1.3 g/cm³ | 1.4 g/cm³ | | Organic Carbon | 1.45 % | 0.8 % | 1.03 % | 1.27 % | 1.45 % | 1.4 % | 1 % | | PH | 5.1 | 6.3 | 4.9 | 5.8 | 5.1 | 7.6 | 4.6 | | Clay Cation Exchange Capacity | 30 cmol kg⁻¹ | 36 cmol kg⁻¹ | 15 cmol kg⁻¹ | 35 cmol kg⁻¹ | 30 cmol kg⁻¹ | 42 cmol kg⁻¹ | 16 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 12 cmol kg⁻¹ | 11 cmol kg⁻¹ | 7 cmol kg⁻¹ | 12 cmol kg⁻¹ | 12 cmol kg⁻¹ | 15 cmol kg⁻¹ | 7 cmol kg⁻¹ | | Base Saturation | 37 % | 91 % | 44 % | 82 % | 37 % | 100 % | 44 % | | Total Exchangeable Bases | 4.1 cmol kg⁻¹ | 9.4 cmol kg⁻¹ | 2.9 cmol kg⁻¹ | 8.8 cmol kg⁻¹ | 4.1 cmol kg⁻¹ | 15.6 cmol kg⁻¹ | 3.5 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0 % | 0 % | 0 % | 3.9 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 1 % | 1 % | 2 % | 2 % | 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 | 20 % | 8 % | 7 % | 5 % | 20 % | | 10 % | | Sand | 45 % | 40 % | 39 % | 37 % | 45 % | | 40 % | | Silt | 35 % | 28 % | 24 % | 35 % | 35 % | | 24 % | | Clay | 20 % | 32 % | 37 % | 28 % | 20 % | | 36 % | | USDA Texture | Loam | Clay loam | Clay loam | Clay loam | Loam | | Clay loam | | Reference Bulk Density | 1.42 g/cm³ | 1.34 g/cm³ | 1.32 g/cm³ | 1.35 g/cm³ | 1.42 g/cm³ | | 1.32 g/cm³ | | Bulk Density | 1.37 g/cm³ | 1.51 g/cm³ | 1.41 g/cm³ | 1.43 g/cm³ | 1.37 g/cm³ | | 1.4 g/cm³ | | Organic Carbon | 0.5 % | 0.35 % | 0.41 % | 0.42 % | 0.5 % | | 0.42 % | | PH | 5.2 | 6.4 | 4.9 | 6.3 | 5.2 | | 4.8 | | Clay Cation Exchange Capacity | 36 cmol kg⁻¹ | 38 cmol kg⁻¹ | 14 cmol kg⁻¹ | 38 cmol kg⁻¹ | 36 cmol kg⁻¹ | | 14 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 9 cmol kg⁻¹ | 13 cmol kg⁻¹ | 6 cmol kg⁻¹ | 12 cmol kg⁻¹ | 9 cmol kg⁻¹ | | 6 cmol kg⁻¹ | | Base Saturation | 33 % | 92 % | 28 % | 86 % | 33 % | | 32 % | | Total Exchangeable Bases | 2.6 cmol kg⁻¹ | 10.4 cmol kg⁻¹ | 1.9 cmol kg⁻¹ | 9.5 cmol kg⁻¹ | 2.6 cmol kg⁻¹ | | 2.3 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0 % | 0 % | 0 % | | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | | 0 % | | Exchangeable Sodium | 1 % | 1 % | 2 % | 2 % | 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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