Worm tube trawl disturbance_Laurel et al 2012
Alaska Fisheries Science Center
Entity
(ENT)
| ID: 28409
| Published / External
Created: 2015-10-29
|
Last Modified: 2022-08-09
Data Set (DS) | ID: 28063
ID: 28409
Entity (ENT)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | Worm tube trawl disturbance_Laurel et al 2012 |
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Short Name | Worm tube trawl disturbance_Laurel et al 2012 |
* Status | Completed |
Creation Date | |
Revision Date | |
• Publication Date | |
* » Abstract |
Data from a field experiment examining the effects of natural and anthropogenic disturbance on polychaete worm tubes and age-0 flatfish distribution |
* Purpose | |
Notes |
Loaded by FGDC Metadata Uploader, batch 7466, 10-29-2015 17:24 |
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• Supplemental Information | |
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Entity Information
Entity Type | Spreadsheet |
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» Description |
Data from a field experiment examining the effects of natural and anthropogenic disturbance on polychaete worm tubes and age-0 flatfish distribution |
Change Summary |
Data Attributes
Attribute Summary
Score | Req'd? | PKey? | » Name | Data Storage Type | Description |
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100 | No | No | Sampling period | Unknown | Sampling period of video survey (date conducted). Trawl disturbance was conducted from September 5-7, 2008. |
100 | No | No | Depth (m) | NUMBER | Depth along transect line |
100 | No | No | Line | NUMBER | Transect line number |
100 | No | No | Treatment | Unknown | Worm tube disturbance treatment |
100 | No | No | Mean FF0 per 100 M | NUMBER | Mean age-0 flatfish density |
100 | No | No | Worm abundance | NUMBER | Worm tube abundance index (0 = absent; 1 = patchy, low-density presence; 5 = dense, total coverage of bottom) |
100 | No | No | Worm Combing | NUMBER | Worm tube combing index characterizing regions marked by parallel, bare channels resulting from towed gear (0 = absence, 1-2 = level of presence) |
100 | No | No | Worm Patch | NUMBER | Patchiness index characterizing areas of bare substrate in worm tube regions (0 = no patches, 1 = patches 0.01-0.04 square meters, 2 = 0.05-0.15 square meters |
100 | No | No | Worm | NUMBER | Adjusted worm abundance index: 1 + (worm abundance x 2) |
100 | No | No | Comb | NUMBER | Adjusted worm combing index: 1 + (worm combing x 2) |
100 | No | No | Patch | NUMBER | Adjusted worm patchiness index: 1 + (worm patchiness x 2) |
Attribute Details
Attribute Name | Sampling period |
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Seq. Order | 1 |
Data Storage Type | Unknown |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Sampling period of video survey (date conducted). Trawl disturbance was conducted from September 5-7, 2008. |
General Data Type | |
Unit of Measure | |
Case Restriction | |
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Null Value Meaning | |
Allowed Values | 1 = Aug. 30, 2008; 2 = Sept. 8, 2008; 3 = Sept. 10, 2008; 4 = Sept. 14, 2008; 5 = Oct. 16, 2008; 6 = Nov. 17, 2008; 7 = Jan. 27, 2009 |
Default Value | |
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Attribute Name | Depth (m) |
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Seq. Order | 2 |
Data Storage Type | NUMBER |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Depth along transect line |
General Data Type | |
Unit of Measure | meters |
Case Restriction | |
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Null Value Meaning | |
Allowed Values | 15 - 29 |
Default Value | |
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Validation Rules |
Attribute Name | Line |
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Seq. Order | 3 |
Data Storage Type | NUMBER |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Transect line number |
General Data Type | |
Unit of Measure | |
Case Restriction | |
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Null Value Meaning | |
Allowed Values | 1 - 8 |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | Treatment |
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Seq. Order | 4 |
Data Storage Type | Unknown |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Worm tube disturbance treatment |
General Data Type | |
Unit of Measure | |
Case Restriction | |
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Null Value Meaning | |
Allowed Values | C = control (undisturbed), T = treated (disturbed) |
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Validation Rules |
Attribute Name | Mean FF0 per 100 M |
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Seq. Order | 5 |
Data Storage Type | NUMBER |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Mean age-0 flatfish density |
General Data Type | |
Unit of Measure | age-0 flatfish per square 100 meters |
Case Restriction | |
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Null Value Meaning | |
Allowed Values | 0 - 54.95 |
Default Value | |
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Validation Rules |
Attribute Name | Worm abundance |
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Seq. Order | 6 |
Data Storage Type | NUMBER |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Worm tube abundance index (0 = absent; 1 = patchy, low-density presence; 5 = dense, total coverage of bottom) |
General Data Type | |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | 0 - 5 |
Default Value | |
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Validation Rules |
Attribute Name | Worm Combing |
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Seq. Order | 7 |
Data Storage Type | NUMBER |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Worm tube combing index characterizing regions marked by parallel, bare channels resulting from towed gear (0 = absence, 1-2 = level of presence) |
General Data Type | |
Unit of Measure | |
Case Restriction | |
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Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | 0 - 2 |
Default Value | |
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Validation Rules |
Attribute Name | Worm Patch |
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Seq. Order | 8 |
Data Storage Type | NUMBER |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Patchiness index characterizing areas of bare substrate in worm tube regions (0 = no patches, 1 = patches 0.01-0.04 square meters, 2 = 0.05-0.15 square meters |
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Case Restriction | |
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Null Value Meaning | |
Allowed Values | 0 - 2 |
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Validation Rules |
Attribute Name | Worm |
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Seq. Order | 9 |
Data Storage Type | NUMBER |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Adjusted worm abundance index: 1 + (worm abundance x 2) |
General Data Type | |
Unit of Measure | |
Case Restriction | |
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Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | 1 - 11 |
Default Value | |
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Validation Rules |
Attribute Name | Comb |
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Seq. Order | 10 |
Data Storage Type | NUMBER |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Adjusted worm combing index: 1 + (worm combing x 2) |
General Data Type | |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | 1 - 5 |
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Validation Rules |
Attribute Name | Patch |
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Seq. Order | 11 |
Data Storage Type | NUMBER |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Adjusted worm patchiness index: 1 + (worm patchiness x 2) |
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Allowed Values | 1 - 5 |
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Child Items
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Catalog Details
Catalog Item ID | 28409 |
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Metadata Record Created By | Mara Spencer |
Metadata Record Created | 2015-10-29 17:24+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2022-08-09 17:10+0000 |
Metadata Record Published | 2016-05-18 |
Owner Org | AFSC |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2016-05-18 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2017-05-18 |
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