| Name | Column Label | Definition | Type of Value | Measurement Type | Measurement Domain | Missing Value Code | Accuracy Report | Accuracy Assessment | Coverage | Method |
| deploydate | (deploy date)
| The date the collector was deployed in the field expressed in the ISO 8601 format. Dates expressed in local time (either Pacific Standard Time or Pacific Daylight Time) as appropriate. | string
| datetime |
| Format | YYYY-MM-DD |
| Precision | day |
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| collectdate | (collect date)
| The date the collector was collected from the field expressed in the ISO 8601 format. Dates expressed in local time (either Pacific Standard Time or Pacific Daylight Time) as appropriate. | string
| datetime |
| Format | YYYY-MM-DD |
| Precision | day |
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| sample_month | (sample month)
| Recruitment samples are collected up to twelve times per year. This assigns a number to the sample, 1-12, that corresponds to the appropriate sample month. | integer
| ordinal |
| Def | An integer between 1 and 12 |
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| site | (site)
| The unique code that identifies the site where recruitment was measured. Codes can be found in the site lookup table. | integer
| ordinal |
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| exposure | (exposure)
| At specific sites, monitoring was conducted at two wave exposure levels: exposed and protected. | string
| nominal |
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| zone | (zone)
| The zone where the collectors and clearings are located vertically on the shore. | string
| ordinal |
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| collector_type | (collector type)
| The type of collector that was used. | string
| ordinal |
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| replicate | (replicate)
| Replicate collector number, starting from 1. | integer
| nominal |
| Def | An integer between 1 and n |
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| proportion_sampled | (proportion sampled)
| The proportion of the collector that was sampled. | float
| ratio |
| Unit | proportion |
| Precision | 0.01 |
| Type | real |
| Min | 0
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| Max | 1
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| cover_classcode | (cover class code)
| The type of fouling on a plate that could decrease the space available for barnacle recruitment. | string
| nominal |
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| percent_cover | (percent cover)
| The percentage of fouling on a barnacle plate | integer
| ratio |
| Unit | percent |
| Precision | 1 |
| Type | whole |
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| count_classcode | (count classcode)
| The unique code that identifies each taxonomic or functional group. Codes can be found in class code lookup table. | integer
| nominal |
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| count | (count)
| The number of individuals counted in any given replicate | float
| interval |
| Unit | dimensionless |
| Precision | 0.5 |
| Type | real |
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| method_code | (method code)
| A unique code identifying the method used to process the samples. Codes can be found in method code lookup table. | integer
| nominal |
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| sampler | (sampler)
| The name or initials of the person who counted the sample | string
| nominal |
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| notes | (notes)
| Important additional information noted by the sampler | string
| nominal |
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