Worm tube trawl disturbance_Laurel et al 2012
Entity (ENT) | Alaska Fisheries Science Center (AFSC)GUID: gov.noaa.nmfs.inport:28409 | Updated: August 9, 2022 | Published / External
Item Identification
| Title: | Worm tube trawl disturbance_Laurel et al 2012 |
|---|---|
| Short Name: | Worm tube trawl disturbance_Laurel et al 2012 |
| Status: | Completed |
| Abstract: |
Data from a field experiment examining the effects of natural and anthropogenic disturbance on polychaete worm tubes and age-0 flatfish distribution |
| Notes: |
Loaded by FGDC Metadata Uploader, batch 7466, 10-29-2015 17:24 |
Entity Information
| Entity Type: | Spreadsheet |
|---|---|
| Description: |
Data from a field experiment examining the effects of natural and anthropogenic disturbance on polychaete worm tubes and age-0 flatfish distribution |
Data Attributes
Attribute Summary
|
|
Name | Type | Description |
|---|---|---|---|---|
|
100
|
Sampling period | Unknown | Sampling period of video survey (date conducted). Trawl disturbance was conducted from September 5-7, 2008. | |
|
100
|
Depth (m) | NUMBER | Depth along transect line | |
|
100
|
Line | NUMBER | Transect line number | |
|
100
|
Treatment | Unknown | Worm tube disturbance treatment | |
|
100
|
Mean FF0 per 100 M | NUMBER | Mean age-0 flatfish density | |
|
100
|
Worm abundance | NUMBER | Worm tube abundance index (0 = absent; 1 = patchy, low-density presence; 5 = dense, total coverage of bottom) | |
|
100
|
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
|
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
|
Worm | NUMBER | Adjusted worm abundance index: 1 + (worm abundance x 2) | |
|
100
|
Comb | NUMBER | Adjusted worm combing index: 1 + (worm combing x 2) | |
|
100
|
Patch | NUMBER | Adjusted worm patchiness index: 1 + (worm patchiness x 2) |
Attribute Details
Sampling period
| Seq. Order: | 1 |
|---|---|
| Data Storage Type: | Unknown |
| Required: | No |
| Primary Key: | No |
| Status: | Active |
| Description: |
Sampling period of video survey (date conducted). Trawl disturbance was conducted from September 5-7, 2008. |
| 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 |
Depth (m)
| Seq. Order: | 2 |
|---|---|
| Data Storage Type: | NUMBER |
| Required: | No |
| Primary Key: | No |
| Status: | Active |
| Description: |
Depth along transect line |
| Unit of Measure: | meters |
| Allowed Values: | 15 - 29 |
Line
| Seq. Order: | 3 |
|---|---|
| Data Storage Type: | NUMBER |
| Required: | No |
| Primary Key: | No |
| Status: | Active |
| Description: |
Transect line number |
| Allowed Values: | 1 - 8 |
Treatment
| Seq. Order: | 4 |
|---|---|
| Data Storage Type: | Unknown |
| Required: | No |
| Primary Key: | No |
| Status: | Active |
| Description: |
Worm tube disturbance treatment |
| Allowed Values: | C = control (undisturbed), T = treated (disturbed) |
Mean FF0 per 100 M
| Seq. Order: | 5 |
|---|---|
| Data Storage Type: | NUMBER |
| Required: | No |
| Primary Key: | No |
| Status: | Active |
| Description: |
Mean age-0 flatfish density |
| Unit of Measure: | age-0 flatfish per square 100 meters |
| Allowed Values: | 0 - 54.95 |
Worm abundance
| Seq. Order: | 6 |
|---|---|
| Data Storage Type: | NUMBER |
| Required: | No |
| Primary Key: | No |
| Status: | Active |
| Description: |
Worm tube abundance index (0 = absent; 1 = patchy, low-density presence; 5 = dense, total coverage of bottom) |
| Allowed Values: | 0 - 5 |
Worm Combing
| Seq. Order: | 7 |
|---|---|
| Data Storage Type: | NUMBER |
| Required: | No |
| Primary Key: | No |
| 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) |
| Allowed Values: | 0 - 2 |
Worm Patch
| Seq. Order: | 8 |
|---|---|
| Data Storage Type: | NUMBER |
| Required: | No |
| Primary Key: | No |
| 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 |
| Allowed Values: | 0 - 2 |
Worm
| Seq. Order: | 9 |
|---|---|
| Data Storage Type: | NUMBER |
| Required: | No |
| Primary Key: | No |
| Status: | Active |
| Description: |
Adjusted worm abundance index: 1 + (worm abundance x 2) |
| Allowed Values: | 1 - 11 |
Comb
| Seq. Order: | 10 |
|---|---|
| Data Storage Type: | NUMBER |
| Required: | No |
| Primary Key: | No |
| Status: | Active |
| Description: |
Adjusted worm combing index: 1 + (worm combing x 2) |
| Allowed Values: | 1 - 5 |
Patch
| Seq. Order: | 11 |
|---|---|
| Data Storage Type: | NUMBER |
| Required: | No |
| Primary Key: | No |
| Status: | Active |
| Description: |
Adjusted worm patchiness index: 1 + (worm patchiness x 2) |
| Allowed Values: | 1 - 5 |
Catalog Details
| Catalog Item ID: | 28409 |
|---|---|
| GUID: | gov.noaa.nmfs.inport:28409 |
| 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 Last Review Date: | 2016-05-18 |
| Metadata Review Frequency: | 1 Year |
| Metadata Next Review Date: | 2017-05-18 |