LengthFrequencies

Alaska Fisheries Science Center
Entity (ENT) | ID: 27292 | Published / External
Created: 2015-09-18   |   Last Modified: 2022-08-09

Parent: AFSC/ABL: Longline Sablefish Survey
Data Set (DS) | ID: 17218

ID: 27292
Entity (ENT)

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Item Identification

* » Title LengthFrequencies
Short Name LengthFrequencies
* Status In Work
Creation Date  
Revision Date  
• Publication Date  
* » Abstract

This table extrapolates the length frequencies by species to relative population numbers (RPNs) (i.e., number of fish at each length in the population, where the population is in RPNs and so is only a relative index).
* Purpose
Notes

Loaded by FGDC Metadata Uploader, batch 7092, 09-18-2015 13:08
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» Description

This table extrapolates the length frequencies by species to relative population numbers (RPNs) (i.e., number of fish at each length in the population, where the population is in RPNs and so is only a relative index).
Change Summary

Data Attributes

Attribute Summary

Score Req'd? PKey? » Name Data Storage Type Description
100 No No Year Unknown Year of survey
100 No No Country Unknown country
100 No No Vessel_Number Unknown vessel number is 3 digits for Japan and 96 or 81 for United States
100 No No Vessel_name Unknown Name of the fishing vessel.
100 No No Cruise_Number Unknown cruise number = year + 01
100 No No area_code Unknown Code specific to each Geographic_area_name.
100 No No Geographic_area_name Unknown Smaller areas within the management areas dictated by depth and habitat (e.g., Kodiak, Bering I, Yakutat, Shumagin).
100 No No Council_sablefish_management_area Unknown Bering Sea, Aleutian Islands, Western Gulf of Alaska, Central Gulf of Alaska, West Yakutat, and Southeast/Outside.
100 No No Species_Code Unknown RACE species code
100 No No Common_Name Unknown species common name
100 No No sex Unknown m or f
100 No No length Unknown length in cm
100 No No length_frequency Unknown area
100 No No LastModifiedDate Unknown Last date data was added or recalculated

Attribute Details

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

Year of survey
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name Country
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

country
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name Vessel_Number
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

vessel number is 3 digits for Japan and 96 or 81 for United States
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name Vessel_name
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Name of the fishing vessel.
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name Cruise_Number
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

cruise number = year + 01
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name area_code
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Code specific to each Geographic_area_name.
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name Geographic_area_name
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Smaller areas within the management areas dictated by depth and habitat (e.g., Kodiak, Bering I, Yakutat, Shumagin).
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name Council_sablefish_management_area
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Bering Sea, Aleutian Islands, Western Gulf of Alaska, Central Gulf of Alaska, West Yakutat, and Southeast/Outside.
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
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

RACE species code
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name Common_Name
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

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

m or f
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name length
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

length in cm
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name length_frequency
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

area
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name LastModifiedDate
Seq. Order  
Data Storage Type Unknown
Max Length  
Min Length  
Required No
Primary Key No
Precision  
Scale  
Status Active
Description

Last date data was added or recalculated
General Data Type  
Unit of Measure  
Case Restriction  
Display Example  
Format Mask  
Null Value  
Null Value Meaning
Allowed Values No domain defined.
Default Value  
Foreign Key Relations
Derivation
Validation Rules
Attribute Name
Seq. Order
Data Storage Type
Max Length
Precision
Scale
Required
Primary Key
Status
Description
General Data Type
Case Restriction
Format Mask
Null Value
Null Value Meaning
Min Length
Unit of Measure
Display Example
Allowed Values
Default Value
Foreign Key Relations
Derivation
Validation Rules
Attribute Name
Seq. Order
Data Storage Type
Max Length
Precision
Scale
Required
Primary Key
Status
Description
General Data Type
Case Restriction
Format Mask
Null Value
Null Value Meaning
Min Length
Unit of Measure
Display Example
Allowed Values
Default Value
Foreign Key Relations
Derivation
Validation Rules
Attribute Name
Seq. Order
Data Storage Type
Max Length
Precision
Scale
Required
Primary Key
Status
Description
General Data Type
Case Restriction
Format Mask
Null Value
Null Value Meaning
Min Length
Unit of Measure
Display Example
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Default Value
Foreign Key Relations
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Catalog Details

Catalog Item ID 27292
Metadata Record Created By Emily A Fergusson
Metadata Record Created 2015-09-18 13:08+0000
Metadata Record Last Modified By SysAdmin InPortAdmin
» Metadata Record Last Modified 2022-08-09 17:11+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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