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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

Summary

Item Identification

Entity Info

Data Attributes

Catalog Details

Abstract

Data from a field experiment examining the effects of natural and anthropogenic disturbance on polychaete worm tubes and age-0 flatfish distribution

Description

Data from a field experiment examining the effects of natural and anthropogenic disturbance on polychaete worm tubes and age-0 flatfish distribution

Entity Type
Spreadsheet

Data Attribute / Type	Description
Sampling period Unknown	Sampling period of video survey (date conducted). Trawl disturbance was conducted from September 5-7, 2008.
Depth (m) NUMBER	Depth along transect line
Line NUMBER	Transect line number
Treatment Unknown	Worm tube disturbance treatment
Mean FF0 per 100 M NUMBER	Mean age-0 flatfish density
Worm abundance NUMBER	Worm tube abundance index (0 = absent; 1 = patchy, low-density presence; 5 = dense, total coverage of bottom)
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)
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
Worm NUMBER	Adjusted worm abundance index: 1 + (worm abundance x 2)
Comb NUMBER	Adjusted worm combing index: 1 + (worm combing x 2)
Patch NUMBER	Adjusted worm patchiness index: 1 + (worm patchiness x 2)

Data Attribute / Type

Description

Sampling period
Unknown

Sampling period of video survey (date conducted). Trawl disturbance was conducted from September 5-7, 2008.

Depth (m)
NUMBER

Depth along transect line

Line
NUMBER

Transect line number

Treatment
Unknown

Worm tube disturbance treatment

Mean FF0 per 100 M
NUMBER

Mean age-0 flatfish density

Worm abundance
NUMBER

Worm tube abundance index (0 = absent; 1 = patchy, low-density presence; 5 = dense, total coverage of bottom)

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)

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

Worm
NUMBER

Adjusted worm abundance index: 1 + (worm abundance x 2)

Comb
NUMBER

Adjusted worm combing index: 1 + (worm combing x 2)

Patch
NUMBER

Adjusted worm patchiness index: 1 + (worm patchiness x 2)

No Child Items for this record.

No contact information is available for this record.

Please contact the owner organization (AFSC) for inquiries on this record.

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 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

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)

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

CC ID: 240699

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)

CC ID: 240700

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

CC ID: 240701

Seq. Order:	3
Data Storage Type:	NUMBER
Required:	No
Primary Key:	No
Status:	Active
Description:	Transect line number
Allowed Values:	1 - 8

Treatment

CC ID: 240702

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

CC ID: 240706

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

CC ID: 240711

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

CC ID: 240712

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

CC ID: 240713

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

CC ID: 240715

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

CC ID: 240716

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

CC ID: 240717

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 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

Worm tube trawl disturbance_Laurel et al 2012

Summary

Entity Information

Child Items

Contact Information

Item Identification

Entity Information

Data Attributes

Attribute Summary

Attribute Details

Sampling period

Depth (m)

Line

Treatment

Mean FF0 per 100 M

Worm abundance

Worm Combing

Worm Patch

Worm

Comb

Patch

Catalog Details