map_TOW_data.xslx

Pacific Islands Fisheries Science Center
Entity (ENT) | ID: 25469 | Published / External
Created: 2015-06-16   |   Last Modified: 2022-08-09

Parent: American Samoa: coral reef monitoring interactive map and information layers primarily from 2010 surveys
Data Set (DS) | ID: 25467

ID: 25469
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* » Title map_TOW_data.xslx
Short Name map_TOW_data.xslx
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Biological Data layers from towed-diver surveys: tow_map_biomass worksheet, tow_shark worksheet, tow_cheilinus_undulatus worksheet, and tow_large_coral worksheet
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Loaded by FGDC Metadata Uploader, batch 6236, 06-16-2015 11:42
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Entity Type Spreadsheet
Active Version?  
Alias  
Schema Name  
» Description

Biological Data layers from towed-diver surveys: tow_map_biomass worksheet, tow_shark worksheet, tow_cheilinus_undulatus worksheet, and tow_large_coral worksheet
Change Summary

Data Attributes

Attribute Summary

Score Req'd? PKey? » Name Data Storage Type Description
100 No No ISLAND Unknown Island name where sampling occurred
100 No No TOW ID NUMBER Unique identifier for towed-diver surveys (tracks). 4-digit year, 2-digit month, 2-digit day, single-digit tow number (1-6)
100 No No SEGMENT ID NUMBER Unique identifier for 5-min observations (segments) of tow surveys (tracks). 4-digit year, 2-digit month, 2-digit day, single-digit tow number (1-6), 2-digit segment number (01-10)
100 No No SEGMENT LATITUDE (CENTROID) NUMBER Latitude of the calculated centroid (using ArcGIS) for each 5-min observation (segment) of the tow survey
100 No No SEGMENT LONGITUDE (CENTROID) NUMBER Longitude of the calculated centroid (using ArcGIS) for each 5-min observation (segment) of the tow survey
100 No No SEGMENT LENGTH (m) NUMBER Length in meters for each 5-min observation (segment) of the tow survey
100 No No AREA (m2) NUMBER Area in square meters surveyed for each 5-minute observation (segment) of the tow survey. Divers survey 5 meters on either side of tow track.
100 No No BIOMASS (g) NUMBER Biomass (grams) of large-bodied fish greater than 50 cm total length.
100 No No BIOMASS (gm-2) NUMBER Biomass (grams per square meter) of large-bodied fish greater than 50 cm total length.
100 No No SEGMENT DEPTH (m) NUMBER Depth in meters of each diver for each 5-min observation (segment) of the tow survey. Divers are usually towed approximately 1 meter above the seafloor.
100 No No FAMILY NAME Unknown Taxonomic family name of observed species.
100 No No TAXONOMIC NAME Unknown Genus and species of of observed species.
100 No No SPECIES CODE Unknown CRED's 4-letter (internal) species code
100 No No COUNT NUMBER The number of species observed of a particular size (cm) during a 5-minute observation (segment)
100 No No SIZE (cm) NUMBER The size in centimeters of species observed during a 5-minute observation (segment)

Attribute Details

Attribute Name ISLAND
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Island name where sampling occurred
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values Variable
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name TOW ID
Seq. Order  
Data Storage Type NUMBER
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Unique identifier for towed-diver surveys (tracks). 4-digit year, 2-digit month, 2-digit day, single-digit tow number (1-6)
General Data Type  
Unit of Measure none
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values 201002231 - 201003205
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name SEGMENT ID
Seq. Order  
Data Storage Type NUMBER
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Unique identifier for 5-min observations (segments) of tow surveys (tracks). 4-digit year, 2-digit month, 2-digit day, single-digit tow number (1-6), 2-digit segment number (01-10)
General Data Type  
Unit of Measure none
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values 20100223101 - 20100320510
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name SEGMENT LATITUDE (CENTROID)
Seq. Order  
Data Storage Type NUMBER
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Latitude of the calculated centroid (using ArcGIS) for each 5-min observation (segment) of the tow survey
General Data Type  
Unit of Measure decimal degree
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values -14.91052889 - -11.04530926
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name SEGMENT LONGITUDE (CENTROID)
Seq. Order  
Data Storage Type NUMBER
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Longitude of the calculated centroid (using ArcGIS) for each 5-min observation (segment) of the tow survey
General Data Type  
Unit of Measure decimal degree
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values -171.092538 - -168.1376437
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name SEGMENT LENGTH (m)
Seq. Order  
Data Storage Type NUMBER
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Length in meters for each 5-min observation (segment) of the tow survey
General Data Type  
Unit of Measure meters
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values 49.89 - 366.65
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name AREA (m2)
Seq. Order  
Data Storage Type NUMBER
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Area in square meters surveyed for each 5-minute observation (segment) of the tow survey. Divers survey 5 meters on either side of tow track.
General Data Type  
Unit of Measure m2
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values 498.94 - 3666.50
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name BIOMASS (g)
Seq. Order  
Data Storage Type NUMBER
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Biomass (grams) of large-bodied fish greater than 50 cm total length.
General Data Type  
Unit of Measure g
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values 0 - 203315.46
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name BIOMASS (gm-2)
Seq. Order  
Data Storage Type NUMBER
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Biomass (grams per square meter) of large-bodied fish greater than 50 cm total length.
General Data Type  
Unit of Measure gm-2
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values 0 - 124.49
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name SEGMENT DEPTH (m)
Seq. Order  
Data Storage Type NUMBER
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Depth in meters of each diver for each 5-min observation (segment) of the tow survey. Divers are usually towed approximately 1 meter above the seafloor.
General Data Type  
Unit of Measure m
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values -25.45888525 - -10.10369672
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name FAMILY NAME
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Taxonomic family name of observed species.
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values Variable
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name TAXONOMIC NAME
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Genus and species of of observed species.
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values Variable
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name SPECIES CODE
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

CRED's 4-letter (internal) species code
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values Variable
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name COUNT
Seq. Order  
Data Storage Type NUMBER
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

The number of species observed of a particular size (cm) during a 5-minute observation (segment)
General Data Type  
Unit of Measure #
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values 1 - 3
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name SIZE (cm)
Seq. Order  
Data Storage Type NUMBER
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

The size in centimeters of species observed during a 5-minute observation (segment)
General Data Type  
Unit of Measure cm
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values 65 - 200
Default Value  
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Attribute Name
Seq. Order
Data Storage Type
Max Length
Precision
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Required
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Status
Description
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Unit of Measure
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Precision
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Catalog Details

Catalog Item ID 25469
Metadata Record Created By Annette M DesRochers
Metadata Record Created 2015-06-16 11:42+0000
Metadata Record Last Modified By SysAdmin InPortAdmin
» Metadata Record Last Modified 2022-08-09 17:11+0000
Metadata Record Published 2020-01-13
Owner Org PIFSC
Metadata Publication Status Published Externally
Do Not Publish? N
Metadata Workflow State Published / External
Metadata Last Review Date 2020-01-13
Metadata Review Frequency 1 Year
Metadata Next Review Date 2021-01-13
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