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Variables Details
: (EM-12)
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EM-12: Policy research using agent-based modeling to assess future impacts of urban expansion into farmlands and forests
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EM Identity and Description
| EM-12 | |
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Document Author
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Guzy, M. R., Smith, C. L. , Bolte, J. P., Hulse, D. W. and Gregory, S. V. |
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Document Year
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2008 |
Variable General Info
| Built land use | Farm land use | Forest land use | Market value of land | Other land use |
Overall ecosystem health ?Comment:The major ecosystem health aspects measured by Evoland are computed through four submodels; 1) fish species richness and fish number, 2) floodplain habitat, 3) small stream index of biotic integrity (IBI), and 4) upslope habitat. Each submodel is restricted to different zones, partially overlapping, covering the entire study area. |
Stream conditions for fish | |
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Variable ID
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6069 | 6070 | 6071 | 6068 | 6072 | 100 | 95 |
| Not reported | Not reported | Not reported | Not reported | Not reported | Eco-health (EH) | Fish | |
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Qualitative-Quantitative
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Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) |
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Cardinal-Ordinal
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Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal |
| % | % | % | $ m^-2 | % | unitless | unitless |
Variable Typology
| Built land use | Farm land use | Forest land use | Market value of land | Other land use |
Overall ecosystem health ?Comment:The major ecosystem health aspects measured by Evoland are computed through four submodels; 1) fish species richness and fish number, 2) floodplain habitat, 3) small stream index of biotic integrity (IBI), and 4) upslope habitat. Each submodel is restricted to different zones, partially overlapping, covering the entire study area. |
Stream conditions for fish | |
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Predictor-Intermediate-Response
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Response |
Response |
Response |
Response |
Response |
Response |
Response |
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Predictor Variable Type
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Response Variable Type
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Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
Computed Variable |
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Data Source/Type
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Variable Classification Hierarchy
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2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
7. Monetary Values |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
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--Land use/land cover type or dominant habitat type |
--Land use/land cover type or dominant habitat type |
--Land use/land cover type or dominant habitat type |
--Land value, price or cost (market-based) |
--Land use/land cover type or dominant habitat type |
--Ecosystem- or landscape-level metrics or indices of ecological condition, rarity or vulnerability |
--Biological characteristics, processes or requirements of living ecosystem components |
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----Developed and urban land cover |
----Agroecosystems |
----Forests |
----Other, multiple, unspecified or unclear |
----Other, multiple, unspecified or unclear |
----Biological characteristics, processes or requirements of fauna |
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------Other, multiple, unspecified or unclear |
------Other, multiple, unspecified or unclear |
------Fish |
Variable Spatial Characteristics
| Built land use | Farm land use | Forest land use | Market value of land | Other land use |
Overall ecosystem health ?Comment:The major ecosystem health aspects measured by Evoland are computed through four submodels; 1) fish species richness and fish number, 2) floodplain habitat, 3) small stream index of biotic integrity (IBI), and 4) upslope habitat. Each submodel is restricted to different zones, partially overlapping, covering the entire study area. |
Stream conditions for fish | |
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Spatial Extent Area
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10-100 km^2 | 10-100 km^2 | 10-100 km^2 | 10-100 km^2 | 10-100 km^2 |
10-100 km^2 ?Comment:Response is summarized across the study area. |
10-100 km^2 ?Comment:This response variable is summarized across the study area. |
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Spatially Distributed?
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No | No | No | Yes | No | No | No |
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Observations Spatially Patterned?
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Not applicable | Not applicable | Not applicable | No | Not applicable | Not applicable | Not applicable |
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Spatial Grain Type
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Spatial Grain Size
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Spatial Density
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Not applicable | Not applicable | Not applicable | 16,005 cells covering 7091 ha | Not applicable | Not applicable | Not applicable |
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EnviroAtlas URL
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Variable Temporal Characteristics
| Built land use | Farm land use | Forest land use | Market value of land | Other land use |
Overall ecosystem health ?Comment:The major ecosystem health aspects measured by Evoland are computed through four submodels; 1) fish species richness and fish number, 2) floodplain habitat, 3) small stream index of biotic integrity (IBI), and 4) upslope habitat. Each submodel is restricted to different zones, partially overlapping, covering the entire study area. |
Stream conditions for fish | |
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Temporal Extent
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1990-2050 | 1990-2050 | 1990-2050 | 1990-2050 | 1990-2050 |
1990-2050 ?Comment:Response results provided for applied scenarios in the year 2050 and compared to initial conditions. |
2000-2050 ?Comment:Response results provided for applied scenarios in the year 2050 and compared to initial conditions. |
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Temporally Distributed?
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Yes | Yes | Yes | Yes | Yes | Yes | Yes |
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Regular Temporal Grain?
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Yes | Yes | Yes | Yes | Yes | Yes | Yes |
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Temporal Grain Size Value
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2 | 2 | 2 | 2 | 2 | 2 | 2 |
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Temporal Grain Size Units
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Year | Year | Year | Year | Year | Year | Year |
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Temporal Density
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Variable Values
| Built land use | Farm land use | Forest land use | Market value of land | Other land use |
Overall ecosystem health ?Comment:The major ecosystem health aspects measured by Evoland are computed through four submodels; 1) fish species richness and fish number, 2) floodplain habitat, 3) small stream index of biotic integrity (IBI), and 4) upslope habitat. Each submodel is restricted to different zones, partially overlapping, covering the entire study area. |
Stream conditions for fish | |
| Not applicable | Not applicable | Not applicable | Not reported | Not applicable |
Not applicable ?Comment:Evaluative metrics of Eco-health resiliance are scaled from -3.0 to +3.0, with scores near 3 indicating that the expected maximum potential has almost been obtained. |
Not applicable ?Comment:Evaluative metrics are scaled from -3.0 to +3.0, with scores near 3 indicating that the expected maximum potential has almost been obtained. |
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Min Value
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Not applicable | Not applicable | Not applicable | Not reported | Not applicable | Not applicable | Not applicable |
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Max Value
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Not applicable | Not applicable | Not applicable | Not reported | Not applicable | Not applicable | Not applicable |
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Other Value Type
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Parameter value | Parameter value | Parameter value | Not applicable | Parameter value | Parameter value | Parameter value |
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Other Value
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Varies by Run; view Runs to see values | Varies by Run; view Runs to see values | Varies by Run; view Runs to see values | Not reported | Varies by Run; view Runs to see values | Varies by Run; view Runs to see values | Varies by Run; view Runs to see values |
Variable Variability and Sensitivity
| Built land use | Farm land use | Forest land use | Market value of land | Other land use |
Overall ecosystem health ?Comment:The major ecosystem health aspects measured by Evoland are computed through four submodels; 1) fish species richness and fish number, 2) floodplain habitat, 3) small stream index of biotic integrity (IBI), and 4) upslope habitat. Each submodel is restricted to different zones, partially overlapping, covering the entire study area. |
Stream conditions for fish | |
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Variability Expression Given?
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No | No | No | No | No | No | No |
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Variability Metric
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None | None | None | None | None | None | None |
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Variability Value
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None | None | None | None | None | None | None |
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Variability Units
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None | None | None | None | None | None | None |
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Resampling Used?
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Variability Expression Used in Modeling?
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Variable Operational Validation (Response Variables only)
| Built land use | Farm land use | Forest land use | Market value of land | Other land use | Overall ecosystem health | Stream conditions for fish | |
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Variable ID
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6069 | 6070 | 6071 | 6068 | 6072 | 100 | 95 |
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Validated?
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Validation Approach (within, between, etc.)
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None | None | None | None | None | None | None |
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Validation Quality (Qual/Quant)
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None | None | None | None | None | None | None |
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Validation Method (Stat/Deviance)
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None | None | None | None | None | None | None |
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Validation Metric
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None | None | None | None | None | None | None |
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Validation Value
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None | None | None | None | None | None | None |
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Validation Units
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None | None | None | None | None | None | None |
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Use of Measured Response Data
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None | None | None | None | None | None | None |