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Variables Details
: (EM-936)
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EM Identity and Description
| EM-936 | |
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Document Author
variable.detail.emDocumentAuthorHelp
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i-Tree |
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Document Year
variable.detail.emDocumentYearHelp
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Variable General Info
Hardiness zone ?Comment:Information on hardiness zones was derived from the Horticopia database and based on USDA hardiness zones. For zones with a decimal rating (e.g., 4.5), values were rounded down for maximum hardiness (e.g., 4) and up for minimum hardiness zone (e.g., 5). Species are noted as to the reliability of the hardiness zone data with increasing number of asterisks indicating an increasing degree of uncertainty. One asterisk (*): some uncertainty regarding hardiness zone; two asterisks (**): moderate uncertainty regarding hardiness zone; three asterisks (***): high uncertainty regarding hardiness zone. Estimates derived from Dirr (M.A. Dirr, 1975, Manual of Woody Landscape Plants. Stipes, Champaign, IL. 1007 p.) and Sunset (1985, New Western Garden Book. Lane, Menlo Park, CA. 512 p.). As hardiness estimates or maps did not always exactly match USDA Hardiness zone ranges, some extrapolations were made to the closest hardiness zone. |
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Variable ID
variable.detail.varIdHelp
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23088 |
| Not reported | |
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Qualitative-Quantitative
variable.detail.continuousCategoricalHelp
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Qualitative (Class, Rating or Ranking) |
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Cardinal-Ordinal
variable.detail.cardinalOrdinalHelp
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Ordinal |
| Not applicable |
Variable Typology
Hardiness zone ?Comment:Information on hardiness zones was derived from the Horticopia database and based on USDA hardiness zones. For zones with a decimal rating (e.g., 4.5), values were rounded down for maximum hardiness (e.g., 4) and up for minimum hardiness zone (e.g., 5). Species are noted as to the reliability of the hardiness zone data with increasing number of asterisks indicating an increasing degree of uncertainty. One asterisk (*): some uncertainty regarding hardiness zone; two asterisks (**): moderate uncertainty regarding hardiness zone; three asterisks (***): high uncertainty regarding hardiness zone. Estimates derived from Dirr (M.A. Dirr, 1975, Manual of Woody Landscape Plants. Stipes, Champaign, IL. 1007 p.) and Sunset (1985, New Western Garden Book. Lane, Menlo Park, CA. 512 p.). As hardiness estimates or maps did not always exactly match USDA Hardiness zone ranges, some extrapolations were made to the closest hardiness zone. |
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Predictor-Intermediate-Response
variable.detail.displayVariableTypeHelp
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Response |
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Predictor Variable Type
variable.detail.displayPredictorVariableTypeHelp
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Not applicable |
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Response Variable Type
variable.detail.resClassHelp
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Computed Variable |
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Data Source/Type
variable.detail.dataTypeHelp
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Not applicable |
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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 |
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--Biological characteristics, processes or requirements of living ecosystem components |
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----Biological characteristics, processes or requirements of flora and fungi |
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------Trees or shrubs |
Variable Spatial Characteristics
Hardiness zone ?Comment:Information on hardiness zones was derived from the Horticopia database and based on USDA hardiness zones. For zones with a decimal rating (e.g., 4.5), values were rounded down for maximum hardiness (e.g., 4) and up for minimum hardiness zone (e.g., 5). Species are noted as to the reliability of the hardiness zone data with increasing number of asterisks indicating an increasing degree of uncertainty. One asterisk (*): some uncertainty regarding hardiness zone; two asterisks (**): moderate uncertainty regarding hardiness zone; three asterisks (***): high uncertainty regarding hardiness zone. Estimates derived from Dirr (M.A. Dirr, 1975, Manual of Woody Landscape Plants. Stipes, Champaign, IL. 1007 p.) and Sunset (1985, New Western Garden Book. Lane, Menlo Park, CA. 512 p.). As hardiness estimates or maps did not always exactly match USDA Hardiness zone ranges, some extrapolations were made to the closest hardiness zone. |
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Spatial Extent Area
variable.detail.spExtentHelp
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Not applicable |
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Spatially Distributed?
variable.detail.spDistributedHelp
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Not applicable |
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Observations Spatially Patterned?
variable.detail.regularSpGrainHelp
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Not applicable |
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Spatial Grain Type
variable.detail.spGrainTypeHelp
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Not applicable |
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Spatial Grain Size
variable.detail.spGrainSizeHelp
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Not applicable |
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Spatial Density
variable.detail.spDensityHelp
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Not applicable |
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EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Variable Temporal Characteristics
Hardiness zone ?Comment:Information on hardiness zones was derived from the Horticopia database and based on USDA hardiness zones. For zones with a decimal rating (e.g., 4.5), values were rounded down for maximum hardiness (e.g., 4) and up for minimum hardiness zone (e.g., 5). Species are noted as to the reliability of the hardiness zone data with increasing number of asterisks indicating an increasing degree of uncertainty. One asterisk (*): some uncertainty regarding hardiness zone; two asterisks (**): moderate uncertainty regarding hardiness zone; three asterisks (***): high uncertainty regarding hardiness zone. Estimates derived from Dirr (M.A. Dirr, 1975, Manual of Woody Landscape Plants. Stipes, Champaign, IL. 1007 p.) and Sunset (1985, New Western Garden Book. Lane, Menlo Park, CA. 512 p.). As hardiness estimates or maps did not always exactly match USDA Hardiness zone ranges, some extrapolations were made to the closest hardiness zone. |
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Temporal Extent
variable.detail.tempExtentHelp
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Not applicable |
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Temporally Distributed?
variable.detail.tempDistributedHelp
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Not applicable |
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Regular Temporal Grain?
variable.detail.regularTempGrainHelp
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Not applicable |
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Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
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Not applicable |
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Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
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Not applicable |
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Temporal Density
variable.detail.tempDensityHelp
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Not applicable |
Variable Values
Hardiness zone ?Comment:Information on hardiness zones was derived from the Horticopia database and based on USDA hardiness zones. For zones with a decimal rating (e.g., 4.5), values were rounded down for maximum hardiness (e.g., 4) and up for minimum hardiness zone (e.g., 5). Species are noted as to the reliability of the hardiness zone data with increasing number of asterisks indicating an increasing degree of uncertainty. One asterisk (*): some uncertainty regarding hardiness zone; two asterisks (**): moderate uncertainty regarding hardiness zone; three asterisks (***): high uncertainty regarding hardiness zone. Estimates derived from Dirr (M.A. Dirr, 1975, Manual of Woody Landscape Plants. Stipes, Champaign, IL. 1007 p.) and Sunset (1985, New Western Garden Book. Lane, Menlo Park, CA. 512 p.). As hardiness estimates or maps did not always exactly match USDA Hardiness zone ranges, some extrapolations were made to the closest hardiness zone. |
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| Not applicable | |
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Min Value
variable.detail.minEstHelp
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Not applicable |
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Max Value
variable.detail.estHelp
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Not applicable |
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Other Value Type
variable.detail.natureOtherEstHelp
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Not applicable |
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Other Value
variable.detail.otherEstHelp
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Not applicable |
Variable Variability and Sensitivity
Hardiness zone ?Comment:Information on hardiness zones was derived from the Horticopia database and based on USDA hardiness zones. For zones with a decimal rating (e.g., 4.5), values were rounded down for maximum hardiness (e.g., 4) and up for minimum hardiness zone (e.g., 5). Species are noted as to the reliability of the hardiness zone data with increasing number of asterisks indicating an increasing degree of uncertainty. One asterisk (*): some uncertainty regarding hardiness zone; two asterisks (**): moderate uncertainty regarding hardiness zone; three asterisks (***): high uncertainty regarding hardiness zone. Estimates derived from Dirr (M.A. Dirr, 1975, Manual of Woody Landscape Plants. Stipes, Champaign, IL. 1007 p.) and Sunset (1985, New Western Garden Book. Lane, Menlo Park, CA. 512 p.). As hardiness estimates or maps did not always exactly match USDA Hardiness zone ranges, some extrapolations were made to the closest hardiness zone. |
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Variability Expression Given?
variable.detail.variabilityExpHelp
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Not applicable |
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Variability Metric
variable.detail.variabilityMetricHelp
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None |
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Variability Value
variable.detail.variabilityValueHelp
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None |
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Variability Units
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None |
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Resampling Used?
variable.detail.bootstrappingHelp
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Not applicable |
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Variability Expression Used in Modeling?
variable.detail.variabilityUsedHelp
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Not applicable |
Variable Operational Validation (Response Variables only)
| Hardiness zone | |
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Variable ID
variable.detail.varIdHelp
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23088 |
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Validated?
variable.detail.resValidatedHelp
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Not applicable |
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Validation Approach (within, between, etc.)
variable.detail.validationApproachHelp
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None |
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Validation Quality (Qual/Quant)
variable.detail.validationQualityHelp
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None |
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Validation Method (Stat/Deviance)
variable.detail.validationMethodHelp
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None |
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Validation Metric
variable.detail.validationMetricHelp
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None |
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Validation Value
variable.detail.validationValHelp
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None |
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Validation Units
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None |
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Use of Measured Response Data
variable.detail.measuredResponseDataHelp
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None |