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Variables Details
: (EM-658)
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EM Identity and Description
| EM-658 | |
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Document Author
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Jackson, B., T. Pagella, F. Sinclair, B. Orellana, A. Henshaw, B. Reynolds, N. Mcintyre, H. Wheater, and A. Eycott |
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Document Year
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2013 |
Variable General Info
Soil fertility ?Comment:Values for this variable are determined by the class variable: Soil type. Fertility productivity classifications are dataset-specific and can also be regionally specific (for example, nutrient-poor soils might still be considered of high value in a “low” fertility region). Default parameterisations are provided for national data in the UK (National Soil Resources Institute) and in NZ (NZ Land Resource Inventory), and the user is able to adjust these as required. For other regions, users can input tables with their own classifications of soils and then run the tool. |
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Variable ID
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15458 |
| Not reported | |
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Qualitative-Quantitative
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Quantitative (Cardinal Only) |
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Cardinal-Ordinal
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Cardinal |
| Not reported |
Variable Typology
Soil fertility ?Comment:Values for this variable are determined by the class variable: Soil type. Fertility productivity classifications are dataset-specific and can also be regionally specific (for example, nutrient-poor soils might still be considered of high value in a “low” fertility region). Default parameterisations are provided for national data in the UK (National Soil Resources Institute) and in NZ (NZ Land Resource Inventory), and the user is able to adjust these as required. For other regions, users can input tables with their own classifications of soils and then run the tool. |
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Predictor-Intermediate-Response
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Predictor |
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Predictor Variable Type
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Constant or Parameter |
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Response Variable Type
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Not applicable |
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Data Source/Type
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Map or database (e.g., wide coverage, wide availability, measured or modeled) |
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Variable Classification Hierarchy
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5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
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--Physical/chemical characteristics of nonliving ecosystem components |
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----Physical/chemical characteristics of soils, substrates, rocks |
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------Soil chemistry, composition, and characteristics (non-contaminants) |
Variable Spatial Characteristics
Soil fertility ?Comment:Values for this variable are determined by the class variable: Soil type. Fertility productivity classifications are dataset-specific and can also be regionally specific (for example, nutrient-poor soils might still be considered of high value in a “low” fertility region). Default parameterisations are provided for national data in the UK (National Soil Resources Institute) and in NZ (NZ Land Resource Inventory), and the user is able to adjust these as required. For other regions, users can input tables with their own classifications of soils and then run the tool. |
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Spatial Extent Area
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Not recorded for Constant or Parameter Variables |
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Spatially Distributed?
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Not recorded for Constant or Parameter Variables |
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Observations Spatially Patterned?
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Not recorded for Constant or Parameter Variables |
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Spatial Grain Type
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Not recorded for Constant or Paarameter Variables |
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Spatial Grain Size
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Not recorded for Constant or Parameter Variables |
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Spatial Density
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Not recorded for Constant or Parameter Variables |
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EnviroAtlas URL
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Variable Temporal Characteristics
Soil fertility ?Comment:Values for this variable are determined by the class variable: Soil type. Fertility productivity classifications are dataset-specific and can also be regionally specific (for example, nutrient-poor soils might still be considered of high value in a “low” fertility region). Default parameterisations are provided for national data in the UK (National Soil Resources Institute) and in NZ (NZ Land Resource Inventory), and the user is able to adjust these as required. For other regions, users can input tables with their own classifications of soils and then run the tool. |
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Temporal Extent
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Not recorded for Constant or Parameter Variables |
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Temporally Distributed?
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Not recorded for Constant or Parameter Variables |
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Regular Temporal Grain?
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Not recorded for Constant or Parameter Variables |
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Temporal Grain Size Value
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Not recorded for Constant or Parameter Variables |
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Temporal Grain Size Units
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Not recorded for Constant or Parameter Variables |
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Temporal Density
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Not recorded for Constant or Parameter Variables |
Variable Values
Soil fertility ?Comment:Values for this variable are determined by the class variable: Soil type. Fertility productivity classifications are dataset-specific and can also be regionally specific (for example, nutrient-poor soils might still be considered of high value in a “low” fertility region). Default parameterisations are provided for national data in the UK (National Soil Resources Institute) and in NZ (NZ Land Resource Inventory), and the user is able to adjust these as required. For other regions, users can input tables with their own classifications of soils and then run the tool. |
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| Not reported | |
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Min Value
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Not reported |
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Max Value
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Not reported |
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Other Value Type
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Not applicable |
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Other Value
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Not reported |
Variable Variability and Sensitivity
Soil fertility ?Comment:Values for this variable are determined by the class variable: Soil type. Fertility productivity classifications are dataset-specific and can also be regionally specific (for example, nutrient-poor soils might still be considered of high value in a “low” fertility region). Default parameterisations are provided for national data in the UK (National Soil Resources Institute) and in NZ (NZ Land Resource Inventory), and the user is able to adjust these as required. For other regions, users can input tables with their own classifications of soils and then run the tool. |
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Variability Expression Given?
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Not recorded for Constant or Parameter Variables |
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Variability Metric
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None |
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Variability Value
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None |
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Variability Units
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None |
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Resampling Used?
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Not recorded for Constant or Parameter Variables |
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Variability Expression Used in Modeling?
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Not recorded for Constant or Parameter Variables |
Variable Operational Validation (Response Variables only)
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Variable ID
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Validated?
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Validation Approach (within, between, etc.)
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Validation Quality (Qual/Quant)
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Validation Method (Stat/Deviance)
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Validation Metric
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Validation Value
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Validation Units
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Use of Measured Response Data
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