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Variables Details
: (EM-837)
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EM Identity and Description
| EM-837 | |
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Document Author
variable.detail.emDocumentAuthorHelp
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Rahman, M. L., S. Tarrant, D. McCollin, and J. Ollerton |
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Document Year
variable.detail.emDocumentYearHelp
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2011 |
Variable General Info
| Bare soil |
Site (restored landfill/paired reference) ?Comment:Nine restored landfill (LF) sites were selected from the pool of 42 based on minimum size of the site and sites which have been restored for at least 4 years. The mean size (±standard deviation) of restored landfill sites was 13.98 ± 10.45 ha. In order to provide a comparison, the closest grassland sites of recognised conservation value (being designated as either local nature reserves (LNRs) or sites of special scientific interest (SSSI)) to the restored landfill sites were selected. |
Site size ?Comment:This variable is a constant with respect to the class variable - site. |
Vegetation height ?Comment:This variable is a constant with respect to the class variable - site. |
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Variable ID
variable.detail.varIdHelp
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19949 | 19948 | 19950 | 19951 |
| Not reported | Not reported | Not reported | Not reported | |
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Qualitative-Quantitative
variable.detail.continuousCategoricalHelp
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Quantitative (Cardinal Only) | Qualitative (Class, Rating or Ranking) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) |
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Cardinal-Ordinal
variable.detail.cardinalOrdinalHelp
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Cardinal | Non-Ordinal | Cardinal | Cardinal |
| % | Not applicable | m^2 | m |
Variable Typology
| Bare soil |
Site (restored landfill/paired reference) ?Comment:Nine restored landfill (LF) sites were selected from the pool of 42 based on minimum size of the site and sites which have been restored for at least 4 years. The mean size (±standard deviation) of restored landfill sites was 13.98 ± 10.45 ha. In order to provide a comparison, the closest grassland sites of recognised conservation value (being designated as either local nature reserves (LNRs) or sites of special scientific interest (SSSI)) to the restored landfill sites were selected. |
Site size ?Comment:This variable is a constant with respect to the class variable - site. |
Vegetation height ?Comment:This variable is a constant with respect to the class variable - site. |
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Predictor-Intermediate-Response
variable.detail.displayVariableTypeHelp
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Predictor |
Predictor |
Predictor |
Predictor |
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Predictor Variable Type
variable.detail.displayPredictorVariableTypeHelp
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Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
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Response Variable Type
variable.detail.resClassHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
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Data Source/Type
variable.detail.dataTypeHelp
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Local field/Lab data (e.g., particular to the EM study) | Not applicable | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) |
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Variable Classification Hierarchy
variable.detail.vchLevel1Help
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5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
1. Policy Regarding Use or Management of Ecosystem Resources |
N. Not classified |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
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--Physical/chemical characteristics of nonliving ecosystem components |
--Land parcel-specific policies (e.g., regarding parcel use, development, protection, management) |
--Biological characteristics, processes or requirements of living ecosystem components |
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----Physical/chemical characteristics of soils, substrates, rocks |
----Other, multiple, unspecified or unclear |
----Biological characteristics, processes or requirements of flora and fungi |
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------Other, multiple, unspecified or unclear |
------Herbaceous plants (grasses, forbs) |
Variable Spatial Characteristics
| Bare soil |
Site (restored landfill/paired reference) ?Comment:Nine restored landfill (LF) sites were selected from the pool of 42 based on minimum size of the site and sites which have been restored for at least 4 years. The mean size (±standard deviation) of restored landfill sites was 13.98 ± 10.45 ha. In order to provide a comparison, the closest grassland sites of recognised conservation value (being designated as either local nature reserves (LNRs) or sites of special scientific interest (SSSI)) to the restored landfill sites were selected. |
Site size ?Comment:This variable is a constant with respect to the class variable - site. |
Vegetation height ?Comment:This variable is a constant with respect to the class variable - site. |
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Spatial Extent Area
variable.detail.spExtentHelp
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1000-10,000 km^2. | 1000-10,000 km^2. | 1000-10,000 km^2. | 1000-10,000 km^2. |
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Spatially Distributed?
variable.detail.spDistributedHelp
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Yes | Yes | Yes | Yes |
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Observations Spatially Patterned?
variable.detail.regularSpGrainHelp
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No | No | No | No |
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Spatial Grain Type
variable.detail.spGrainTypeHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
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Spatial Grain Size
variable.detail.spGrainSizeHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
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Spatial Density
variable.detail.spDensityHelp
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18 total sites, 9 landfill, 9 paired reference | 18 total sites, 9 landfill, 9 paired reference | 18 total sites, 9 landfill, 9 paired reference | 18 total sites, 9 landfill, 9 paired reference |
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EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Variable Temporal Characteristics
| Bare soil |
Site (restored landfill/paired reference) ?Comment:Nine restored landfill (LF) sites were selected from the pool of 42 based on minimum size of the site and sites which have been restored for at least 4 years. The mean size (±standard deviation) of restored landfill sites was 13.98 ± 10.45 ha. In order to provide a comparison, the closest grassland sites of recognised conservation value (being designated as either local nature reserves (LNRs) or sites of special scientific interest (SSSI)) to the restored landfill sites were selected. |
Site size ?Comment:This variable is a constant with respect to the class variable - site. |
Vegetation height ?Comment:This variable is a constant with respect to the class variable - site. |
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Temporal Extent
variable.detail.tempExtentHelp
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2007-2008 | Not applicable | 2007-2008 | 2007-2008 |
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Temporally Distributed?
variable.detail.tempDistributedHelp
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No | Not applicable | No | No |
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Regular Temporal Grain?
variable.detail.regularTempGrainHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
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Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
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Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
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Temporal Density
variable.detail.tempDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
Variable Values
| Bare soil |
Site (restored landfill/paired reference) ?Comment:Nine restored landfill (LF) sites were selected from the pool of 42 based on minimum size of the site and sites which have been restored for at least 4 years. The mean size (±standard deviation) of restored landfill sites was 13.98 ± 10.45 ha. In order to provide a comparison, the closest grassland sites of recognised conservation value (being designated as either local nature reserves (LNRs) or sites of special scientific interest (SSSI)) to the restored landfill sites were selected. |
Site size ?Comment:This variable is a constant with respect to the class variable - site. |
Vegetation height ?Comment:This variable is a constant with respect to the class variable - site. |
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| Not applicable | Not applicable | Not applicable | Not applicable | |
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Min Value
variable.detail.minEstHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
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Max Value
variable.detail.estHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
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Other Value Type
variable.detail.natureOtherEstHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
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Other Value
variable.detail.otherEstHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
Variable Variability and Sensitivity
| Bare soil |
Site (restored landfill/paired reference) ?Comment:Nine restored landfill (LF) sites were selected from the pool of 42 based on minimum size of the site and sites which have been restored for at least 4 years. The mean size (±standard deviation) of restored landfill sites was 13.98 ± 10.45 ha. In order to provide a comparison, the closest grassland sites of recognised conservation value (being designated as either local nature reserves (LNRs) or sites of special scientific interest (SSSI)) to the restored landfill sites were selected. |
Site size ?Comment:This variable is a constant with respect to the class variable - site. |
Vegetation height ?Comment:This variable is a constant with respect to the class variable - site. |
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Variability Expression Given?
variable.detail.variabilityExpHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
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Variability Metric
variable.detail.variabilityMetricHelp
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None | None | None | None |
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Variability Value
variable.detail.variabilityValueHelp
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None | None | None | None |
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Variability Units
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None | None | None | None |
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Resampling Used?
variable.detail.bootstrappingHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
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Variability Expression Used in Modeling?
variable.detail.variabilityUsedHelp
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Not applicable | Not applicable | Not applicable | Not applicable |
Variable Operational Validation (Response Variables only)
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Variable ID
variable.detail.varIdHelp
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Validated?
variable.detail.resValidatedHelp
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Validation Approach (within, between, etc.)
variable.detail.validationApproachHelp
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Validation Quality (Qual/Quant)
variable.detail.validationQualityHelp
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Validation Method (Stat/Deviance)
variable.detail.validationMethodHelp
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Validation Metric
variable.detail.validationMetricHelp
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Validation Value
variable.detail.validationValHelp
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Validation Units
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Use of Measured Response Data
variable.detail.measuredResponseDataHelp
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