| Name | Column Label | Definition | Type of Value | Measurement Type | Measurement Domain | Missing Value Code | Accuracy Report | Accuracy Assessment | Coverage | Method |
| "Year" | Year
| Year sampled collected |
| ratio |
| Unit | nominalYear |
| Type | natural |
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| "Date" | Date
| Day and month or simply month pitfall traps were opened |
| nominal |
| Def | Day and Month or Month alone |
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| "Grass_Amt" | GrassLevel
| Whether plot before manipulation was located in an area of high or low non-native grass cover |
| nominal |
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| "ExpNum" | ExpNumber
| Replicate number |
| ratio |
| Unit | dimensionless |
| Type | natural |
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| "ExpCode" | ExpCode
| Unique identifier for each plot (concatenation of GrassLevel (H or L) and ExpCode) |
| nominal |
| Def | H or L followed by rep number |
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| "Direction" | Direction
| Direction of pitfall under focal shrub (two pitfalls per plot, one east, one west) |
| nominal |
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| "Arthropod" | Arthropod taxa
| Arthropod taxa |
| nominal |
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| "Size_Lessthan1mm" | Size class of arthropod: < 1 mm
| Size class of arthropod: < 1mm |
| nominal |
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| "Size_1to3mm" | Size class of arthropod: 1-3 mm
| Size class of arthropod: 1-3 mm (length) |
| ratio |
| Unit | dimensionless |
| Type | whole |
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| "Size_3to6mm" | Size class of arthropod: 3.1-6 mm
| Size class of arthropod: 3.1-6 mm (length) |
| ratio |
| Unit | dimensionless |
| Type | natural |
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| "Size_6to10mm" | Size class of arthropod: 6.1-10 mm (length)
| Size class of arthropod: 6.1-10 mm (length) |
| ratio |
| Unit | dimensionless |
| Type | natural |
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| "Size_Grthan10mm" | Size class of arthropod: >10.1 mm
| Size class of arthropod: >10.1 mm (length) |
| ratio |
| Unit | dimensionless |
| Type | natural |
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| "Quantity" | Quantity
| Total number of arthropod individuals of each taxa in each size class for each pitfall sample |
| ratio |
| Unit | dimensionless |
| Type | whole |
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