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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
Fish number ?Comment:Derived using a relationship between LULC and big wood recruitment rate into the river (STREAMWOOD model, Meleason et al. 2002). This variable is used to compute the model responses "Stream conditions for fish" and "Overall ecosystem health". |
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Variable ID
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6066 |
| Nhat | |
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Qualitative-Quantitative
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Quantitative (Cardinal Only) |
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Cardinal-Ordinal
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Cardinal |
| Number of fish |
Variable Typology
Fish number ?Comment:Derived using a relationship between LULC and big wood recruitment rate into the river (STREAMWOOD model, Meleason et al. 2002). This variable is used to compute the model responses "Stream conditions for fish" and "Overall ecosystem health". |
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Predictor-Intermediate-Response
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Intermediate (Computed) Variable |
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Predictor Variable Type
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Not applicable |
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Response Variable Type
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Not applicable |
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Data Source/Type
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Not applicable |
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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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--Biological characteristics, processes or requirements of living ecosystem components |
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----Biological characteristics, processes or requirements of fauna |
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------Fish |
Variable Spatial Characteristics
Fish number ?Comment:Derived using a relationship between LULC and big wood recruitment rate into the river (STREAMWOOD model, Meleason et al. 2002). This variable is used to compute the model responses "Stream conditions for fish" and "Overall ecosystem health". |
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Spatial Extent Area
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10-100 km^2 |
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Spatially Distributed?
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Yes |
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Observations Spatially Patterned?
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No |
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Spatial Grain Type
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Not applicable |
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Spatial Grain Size
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Not applicable |
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Spatial Density
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16,005 cells covering 7091 ha |
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EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Variable Temporal Characteristics
Fish number ?Comment:Derived using a relationship between LULC and big wood recruitment rate into the river (STREAMWOOD model, Meleason et al. 2002). This variable is used to compute the model responses "Stream conditions for fish" and "Overall ecosystem health". |
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Temporal Extent
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2000-2050 |
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Temporally Distributed?
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Yes |
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Regular Temporal Grain?
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Yes |
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Temporal Grain Size Value
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2 |
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Temporal Grain Size Units
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Year |
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Temporal Density
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Not applicable |
Variable Values
Fish number ?Comment:Derived using a relationship between LULC and big wood recruitment rate into the river (STREAMWOOD model, Meleason et al. 2002). This variable is used to compute the model responses "Stream conditions for fish" and "Overall ecosystem health". |
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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
Fish number ?Comment:Derived using a relationship between LULC and big wood recruitment rate into the river (STREAMWOOD model, Meleason et al. 2002). This variable is used to compute the model responses "Stream conditions for fish" and "Overall ecosystem health". |
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Variability Expression Given?
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No |
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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 applicable |
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Variability Expression Used in Modeling?
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Not applicable |
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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