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
Floral abundance ?Comment:Floral richness and abundance were estimated along five parallel 100‐m‐long transects within each 1‐ha plot separated by 10–15 m (Figure 1c). All blooming flowers encountered within 1 m of either side of the transect were identified to species and counted. Dense heads and inflorescences were counted as a single flower. Flowering plant species that were in bloom in the 1 ha sampling plots, but not encountered within a transect were recorded as present and assigned an abundance of 0.5. Adding a small abundance for these observed species allows more accurate richness counts and prevents species detected outside of transects to have minimal influence on total plot abundance so as not to skew abundance figures between plots. |
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Variable ID
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18922 |
Not reported | |
Qualitative-Quantitative
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Quantitative (Cardinal Only) |
Cardinal-Ordinal
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Cardinal |
No. |
Variable Typology
Floral abundance ?Comment:Floral richness and abundance were estimated along five parallel 100‐m‐long transects within each 1‐ha plot separated by 10–15 m (Figure 1c). All blooming flowers encountered within 1 m of either side of the transect were identified to species and counted. Dense heads and inflorescences were counted as a single flower. Flowering plant species that were in bloom in the 1 ha sampling plots, but not encountered within a transect were recorded as present and assigned an abundance of 0.5. Adding a small abundance for these observed species allows more accurate richness counts and prevents species detected outside of transects to have minimal influence on total plot abundance so as not to skew abundance figures between plots. |
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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 flora and fungi |
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------Cover characteristics (canopy cover, herbaceous cover or leaf area) |
Variable Spatial Characteristics
Floral abundance ?Comment:Floral richness and abundance were estimated along five parallel 100‐m‐long transects within each 1‐ha plot separated by 10–15 m (Figure 1c). All blooming flowers encountered within 1 m of either side of the transect were identified to species and counted. Dense heads and inflorescences were counted as a single flower. Flowering plant species that were in bloom in the 1 ha sampling plots, but not encountered within a transect were recorded as present and assigned an abundance of 0.5. Adding a small abundance for these observed species allows more accurate richness counts and prevents species detected outside of transects to have minimal influence on total plot abundance so as not to skew abundance figures between plots. |
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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
Floral abundance ?Comment:Floral richness and abundance were estimated along five parallel 100‐m‐long transects within each 1‐ha plot separated by 10–15 m (Figure 1c). All blooming flowers encountered within 1 m of either side of the transect were identified to species and counted. Dense heads and inflorescences were counted as a single flower. Flowering plant species that were in bloom in the 1 ha sampling plots, but not encountered within a transect were recorded as present and assigned an abundance of 0.5. Adding a small abundance for these observed species allows more accurate richness counts and prevents species detected outside of transects to have minimal influence on total plot abundance so as not to skew abundance figures between plots. |
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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
Floral abundance ?Comment:Floral richness and abundance were estimated along five parallel 100‐m‐long transects within each 1‐ha plot separated by 10–15 m (Figure 1c). All blooming flowers encountered within 1 m of either side of the transect were identified to species and counted. Dense heads and inflorescences were counted as a single flower. Flowering plant species that were in bloom in the 1 ha sampling plots, but not encountered within a transect were recorded as present and assigned an abundance of 0.5. Adding a small abundance for these observed species allows more accurate richness counts and prevents species detected outside of transects to have minimal influence on total plot abundance so as not to skew abundance figures between plots. |
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Not reported ?Comment:Floral abundance was logged for analysis. |
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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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Not applicable |
Other Value
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Not reported |
Variable Variability and Sensitivity
Floral abundance ?Comment:Floral richness and abundance were estimated along five parallel 100‐m‐long transects within each 1‐ha plot separated by 10–15 m (Figure 1c). All blooming flowers encountered within 1 m of either side of the transect were identified to species and counted. Dense heads and inflorescences were counted as a single flower. Flowering plant species that were in bloom in the 1 ha sampling plots, but not encountered within a transect were recorded as present and assigned an abundance of 0.5. Adding a small abundance for these observed species allows more accurate richness counts and prevents species detected outside of transects to have minimal influence on total plot abundance so as not to skew abundance figures between plots. |
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Variability Expression Given?
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No |
Variability Metric
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None |
Variability Value
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None |
Variability Units
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None |
Resampling Used?
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Not applicable |
Variability Expression Used in Modeling?
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Not applicable |
Variable Operational Validation (Response Variables only)
Floral abundance | ||
Variable ID
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18922 | |
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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