EcoService Models Library (ESML)
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Variables Details
: (EM-777)
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EM-777: Bee diversity in tallgrass prairies affected by management and its effects on above‐ and below‐ground resources
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EM Identity and Description
EM-777 | |
Document Author
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Buckles, B. J., and A. N. Harmon-Threatt |
Document Year
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2019 |
Variable General Info
Bee abundance ?Comment:Using multiple sampling methods should provide a more complete picture of the bee community during the sampling time (Geroff, Gibbs, & McCravy, 2014). All bees were later identified to species. These data resulted in three response variables that are tested here: bee community composition, bee richness and bee abundance. |
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Variable ID
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18932 |
Not reported | |
Qualitative-Quantitative
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Quantitative (Cardinal Only) |
Cardinal-Ordinal
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Cardinal |
No. |
Variable Typology
Bee abundance ?Comment:Using multiple sampling methods should provide a more complete picture of the bee community during the sampling time (Geroff, Gibbs, & McCravy, 2014). All bees were later identified to species. These data resulted in three response variables that are tested here: bee community composition, bee richness and bee abundance. |
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Predictor-Intermediate-Response
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Response |
Predictor Variable Type
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Not applicable |
Response Variable Type
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Observed Variable |
Data Source/Type
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Local field/Lab data (e.g., particular to the EM study) |
Variable Classification Hierarchy
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5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
--Biological characteristics, processes or requirements of living ecosystem components |
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----Biological characteristics, processes or requirements of fauna |
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------Pollinators (nonspecific) |
Variable Spatial Characteristics
Bee abundance ?Comment:Using multiple sampling methods should provide a more complete picture of the bee community during the sampling time (Geroff, Gibbs, & McCravy, 2014). All bees were later identified to species. These data resulted in three response variables that are tested here: bee community composition, bee richness and bee abundance. |
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Spatial Extent Area
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1000-10,000 km^2. |
Spatially Distributed?
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Yes |
Observations Spatially Patterned?
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Yes |
Spatial Grain Type
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area, for pixel or radial feature |
Spatial Grain Size
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1 ha |
Spatial Density
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Not applicable |
EnviroAtlas URL
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Variable Temporal Characteristics
Bee abundance ?Comment:Using multiple sampling methods should provide a more complete picture of the bee community during the sampling time (Geroff, Gibbs, & McCravy, 2014). All bees were later identified to species. These data resulted in three response variables that are tested here: bee community composition, bee richness and bee abundance. |
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Temporal Extent
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2012-2016 |
Temporally Distributed?
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Not applicable |
Regular Temporal Grain?
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Not applicable |
Temporal Grain Size Value
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Not applicable |
Temporal Grain Size Units
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Not applicable |
Temporal Density
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Not applicable |
Variable Values
Bee abundance ?Comment:Using multiple sampling methods should provide a more complete picture of the bee community during the sampling time (Geroff, Gibbs, & McCravy, 2014). All bees were later identified to species. These data resulted in three response variables that are tested here: bee community composition, bee richness and bee abundance. |
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Not reported ?Comment:Bee resources (i.e. Soil PC1, floral richness, FQI and floral abundance) as well as bee abundance and richness were analysed with generalised least squares (GLS) models. Management and Soil PC1 were the most predictive variables for Bee abundance. |
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Min Value
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Not reported |
Max Value
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Not reported |
Other Value Type
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Mean |
Other Value
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Varies by run; view runs to see value |
Variable Variability and Sensitivity
Bee abundance ?Comment:Using multiple sampling methods should provide a more complete picture of the bee community during the sampling time (Geroff, Gibbs, & McCravy, 2014). All bees were later identified to species. These data resulted in three response variables that are tested here: bee community composition, bee richness and bee abundance. |
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Variability Expression Given?
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Yes | |
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 | |
Variability Expression Used in Modeling?
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Yes |
Variable Operational Validation (Response Variables only)
Bee abundance | ||
Variable ID
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18932 | |
Validated?
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Not applicable | |
Validation Approach (within, between, etc.)
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None | |
Validation Quality (Qual/Quant)
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None | |
Validation Method (Stat/Deviance)
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None | |
Validation Metric
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None | |
Validation Value
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None | |
Validation Units
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None | |
Use of Measured Response Data
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