| Name | Column Label | Definition | Type of Value | Measurement Type | Measurement Domain | Missing Value Code | Accuracy Report | Accuracy Assessment | Coverage | Method |
| Site |
| Experimental study site/estuary within each region; Two sites per region |
| nominal |
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| Cage # |
| ID number of caging enclosure |
| nominal |
| Def | Number assigned based on relative positioning to other cages |
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| Treatment |
| Experimental treatment |
| nominal |
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| Subcage/phantom |
| Indicates whether tile was placed in a subcage or phantom cage location |
| nominal |
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| Position |
| Position at which individual clam was assigned within the cage |
| nominal |
| Def | Facing marsh, position A was the left-most corner of the cage. Other positions were assigned alphabetically in a clockwise order. |
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| Tile batch |
| Indicates which batch (round) of deployment the tile was a part of |
| nominal |
| Def | Batch 1 is the set of tiles deployed at the beginning of the experiment, which remained in place throughout the experiment. Batch 1 includes both phantom and subcage tiles. The second and third set of additional tiles deployed in the phantom areas are batches 2 and 3, respectively. |
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| Tile # |
| Assigned tile ID # |
| nominal |
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| Date checked |
| Date on which tile was checked and processed |
| dateTime |
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| Days since deployment |
| Number of days ellapsed between deployment and check |
| dateTime |
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| Live spat |
| Number of live spat on tile |
| ratio |
| Unit | dimensionless |
| Type | natural |
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| Dead spat |
| Number of dead spat on tile |
| ratio |
| Unit | dimensionless |
| Type | natural |
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| Live recruits |
| Number of live recruited spat on tile |
| ratio |
| Unit | dimensionless |
| Type | natural |
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| Dead recruits |
| Number of dead recruited spat on tile |
| ratio |
| Unit | dimensionless |
| Type | natural |
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| Notes |
| Additional notes |
| nominal |
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