Gateway National Recreation Area
— Protected Area Boundary | | A | | | | | Share | 35 % | 35 % | 30 % | | Soil Type | Orthic Acrisols | Orthic Acrisols | Gleyic Acrisols | | Topsoil Texture | Coarse | Medium | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | | Drainage | Moderately well | Moderately well | Poor | | Available Water Capacity | 150 m | 150 m | 150 m | | Topsoil Properties | | Gravel | 4 % | 10 % | 9 % | | Sand | 81 % | 49 % | 34 % | | Silt | 9 % | 27 % | 43 % | | Clay | 10 % | 24 % | 23 % | | USDA Texture | Loamy sand | Sandy clay loam | Loam | | Reference Bulk Density | 1.59 g/cm³ | 1.4 g/cm³ | 1.38 g/cm³ | | Bulk Density | 1.43 g/cm³ | 1.4 g/cm³ | 1.39 g/cm³ | | Organic Carbon | 0.55 % | 1 % | 0.83 % | | PH | 5.5 | 4.6 | 4.9 | | Clay Cation Exchange Capacity | 21 cmol kg⁻¹ | 16 cmol kg⁻¹ | 18 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 4 cmol kg⁻¹ | 7 cmol kg⁻¹ | 7 cmol kg⁻¹ | | Base Saturation | 68 % | 44 % | 30 % | | Total Exchangeable Bases | 3.8 cmol kg⁻¹ | 3.5 cmol kg⁻¹ | 1.9 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | | Exchangeable Sodium | 3 % | 1 % | 2 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 4 % | 10 % | 7 % | | Sand | 68 % | 40 % | 28 % | | Silt | 9 % | 24 % | 38 % | | Clay | 23 % | 36 % | 34 % | | USDA Texture | Sandy clay loam | Clay loam | Clay loam | | Reference Bulk Density | 1.44 g/cm³ | 1.32 g/cm³ | 1.31 g/cm³ | | Bulk Density | 1.48 g/cm³ | 1.4 g/cm³ | 1.48 g/cm³ | | Organic Carbon | 0.3 % | 0.42 % | 0.3 % | | PH | 5.2 | 4.8 | 4.7 | | Clay Cation Exchange Capacity | 14 cmol kg⁻¹ | 14 cmol kg⁻¹ | 22 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 4 cmol kg⁻¹ | 6 cmol kg⁻¹ | 12 cmol kg⁻¹ | | Base Saturation | 40 % | 32 % | 20 % | | Total Exchangeable Bases | 2.5 cmol kg⁻¹ | 2.3 cmol kg⁻¹ | 2 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | | Exchangeable Sodium | 3 % | 2 % | 1 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 |
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