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: (EM-697)
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EM-697: Grassland restoration on landfill sites in the East Midlands, United Kingdom: An evaluation of floral resources and pollinating insects
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EM Identity and Description
| EM-697 | |
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Document Author
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Tarrant S., J. Ollerton, M. L Rahman, J. Tarrant, and D. McCollin |
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Document Year
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2013 |
Variable General Info
Floral units ?Comment:Standardized plant surveys were used (Dicks et al. 2002; Potts et al. 2006). Transects (100 × 2m) were centered from the approximate middle of the site. All flowering plants were identified to species level using Stace (1991) and Kent (1992), and the total number of flowering units recorded. One floral unit was defined as a head (e.g. Trifolium pratense), an umbel (e.g. Daucus carota), or a capitulum (e.g. Centaurea scabiosa). “Flowering plants” henceforth refer to insect pollinated plants which were in flower during these surveys. |
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Variable ID
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16508 |
| 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
Floral units ?Comment:Standardized plant surveys were used (Dicks et al. 2002; Potts et al. 2006). Transects (100 × 2m) were centered from the approximate middle of the site. All flowering plants were identified to species level using Stace (1991) and Kent (1992), and the total number of flowering units recorded. One floral unit was defined as a head (e.g. Trifolium pratense), an umbel (e.g. Daucus carota), or a capitulum (e.g. Centaurea scabiosa). “Flowering plants” henceforth refer to insect pollinated plants which were in flower during these surveys. |
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Predictor-Intermediate-Response
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Predictor |
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Predictor Variable Type
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Time- or Space-varying Variable |
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Response Variable Type
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Not applicable |
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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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--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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------Herbaceous plants (grasses, forbs) |
Variable Spatial Characteristics
Floral units ?Comment:Standardized plant surveys were used (Dicks et al. 2002; Potts et al. 2006). Transects (100 × 2m) were centered from the approximate middle of the site. All flowering plants were identified to species level using Stace (1991) and Kent (1992), and the total number of flowering units recorded. One floral unit was defined as a head (e.g. Trifolium pratense), an umbel (e.g. Daucus carota), or a capitulum (e.g. Centaurea scabiosa). “Flowering plants” henceforth refer to insect pollinated plants which were in flower during these surveys. |
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Spatial Extent Area
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1000-10,000 km^2. ?Comment:One survey transect per site (18 total sites). |
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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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Area, for pixel or radial feature |
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Spatial Grain Size
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100 x 2m |
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Spatial Density
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Not applicable |
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EnviroAtlas URL
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GAP Ecological Systems |
Variable Temporal Characteristics
Floral units ?Comment:Standardized plant surveys were used (Dicks et al. 2002; Potts et al. 2006). Transects (100 × 2m) were centered from the approximate middle of the site. All flowering plants were identified to species level using Stace (1991) and Kent (1992), and the total number of flowering units recorded. One floral unit was defined as a head (e.g. Trifolium pratense), an umbel (e.g. Daucus carota), or a capitulum (e.g. Centaurea scabiosa). “Flowering plants” henceforth refer to insect pollinated plants which were in flower during these surveys. |
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Temporal Extent
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2007-2008 |
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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
Floral units ?Comment:Standardized plant surveys were used (Dicks et al. 2002; Potts et al. 2006). Transects (100 × 2m) were centered from the approximate middle of the site. All flowering plants were identified to species level using Stace (1991) and Kent (1992), and the total number of flowering units recorded. One floral unit was defined as a head (e.g. Trifolium pratense), an umbel (e.g. Daucus carota), or a capitulum (e.g. Centaurea scabiosa). “Flowering plants” henceforth refer to insect pollinated plants which were in flower during these surveys. |
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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
Floral units ?Comment:Standardized plant surveys were used (Dicks et al. 2002; Potts et al. 2006). Transects (100 × 2m) were centered from the approximate middle of the site. All flowering plants were identified to species level using Stace (1991) and Kent (1992), and the total number of flowering units recorded. One floral unit was defined as a head (e.g. Trifolium pratense), an umbel (e.g. Daucus carota), or a capitulum (e.g. Centaurea scabiosa). “Flowering plants” henceforth refer to insect pollinated plants which were in flower during these surveys. |
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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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