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: (EM-788)
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EM-788: Wild bee community change over a 26-year chronosequence of restored tallgrass prairie
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EM Identity and Description
| EM-788 | |
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Document Author
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Griffin, S. R, B. Bruninga-Socolar, M. A. Kerr, J. Gibbs and R. Winfree |
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Document Year
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2017 |
Variable General Info
Bee species richness ?Comment:Using generalized linear mixed models (GLMMs), we looked at the effects of restoration age, site size, and surrounding land cover on three response variables: wild bee abundance, species richness, and richness rarefied to the lowest sample size among our sites to control for differences in abundance. |
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Variable ID
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19151 |
| 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 |
| No. |
Variable Typology
Bee species richness ?Comment:Using generalized linear mixed models (GLMMs), we looked at the effects of restoration age, site size, and surrounding land cover on three response variables: wild bee abundance, species richness, and richness rarefied to the lowest sample size among our sites to control for differences in abundance. |
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Predictor-Intermediate-Response
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Response |
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Predictor Variable Type
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Not applicable |
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Response Variable Type
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Observed Variable |
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Data Source/Type
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Local field/Lab data (e.g., particular to the EM study) |
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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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--CICES categories: Ecosystem goods and services - or landscape-level indices of suitability to supply EGS |
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----Suitability to supply regulation & maintenance services-Maintenance of conditions |
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------Pollination and seed dispersal |
Variable Spatial Characteristics
Bee species richness ?Comment:Using generalized linear mixed models (GLMMs), we looked at the effects of restoration age, site size, and surrounding land cover on three response variables: wild bee abundance, species richness, and richness rarefied to the lowest sample size among our sites to control for differences in abundance. |
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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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Yes |
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Spatial Grain Type
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other (specify), for irregular (e.g., stream reach, lake basin) |
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Spatial Grain Size
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Area varies by site |
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Spatial Density
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Not applicable |
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EnviroAtlas URL
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Variable Temporal Characteristics
Bee species richness ?Comment:Using generalized linear mixed models (GLMMs), we looked at the effects of restoration age, site size, and surrounding land cover on three response variables: wild bee abundance, species richness, and richness rarefied to the lowest sample size among our sites to control for differences in abundance. |
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Temporal Extent
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2014 |
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Temporally Distributed?
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Not applicable |
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Regular Temporal Grain?
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Not applicable |
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Temporal Grain Size Value
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Not applicable |
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Temporal Grain Size Units
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Not applicable |
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Temporal Density
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Not applicable |
Variable Values
Bee species richness ?Comment:Using generalized linear mixed models (GLMMs), we looked at the effects of restoration age, site size, and surrounding land cover on three response variables: wild bee abundance, species richness, and richness rarefied to the lowest sample size among our sites to control for differences in abundance. |
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No. ?Comment:Mean value estimated from bar chart. Mean value per sampling period. Min/max are cumulative site values over the course of the entire season (supplemental data). |
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Min Value
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Varies by run; view runs to see values |
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Max Value
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Varies by run; view runs to see values |
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Other Value Type
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Mean |
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Other Value
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Varies by run; view runs to see values |
Variable Variability and Sensitivity
Bee species richness ?Comment:Using generalized linear mixed models (GLMMs), we looked at the effects of restoration age, site size, and surrounding land cover on three response variables: wild bee abundance, species richness, and richness rarefied to the lowest sample size among our sites to control for differences in abundance. |
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Variability Expression Given?
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Yes | |
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Variability Metric
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Variability Value
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Variability Units
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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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Yes |
Variable Operational Validation (Response Variables only)
| Bee species richness | ||
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Variable ID
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19151 | |
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Validated?
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Not applicable | |
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Validation Approach (within, between, etc.)
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None | |
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Validation Quality (Qual/Quant)
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None | |
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Validation Method (Stat/Deviance)
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None | |
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Validation Metric
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None | |
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Validation Value
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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
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