Snake River Sockeye Salmon Captive Broodstock Social Behavior
Northwest Fisheries Science Center
Entity
(ENT)
| ID: 36785
| Published / External
Created: 2017-02-13
|
Last Modified: 2022-08-09
Data Set (DS) | ID: 30901
ID: 36785
Entity (ENT)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | Snake River Sockeye Salmon Captive Broodstock Social Behavior |
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Short Name | Snake River Sockeye Salmon Captive Broodstock Social Behavior |
* Status | Planned |
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• Publication Date | |
* » Abstract |
The study examines the effect of a point source food supply on the social behavior of sockeye salmon (Oncorhynchus nerka) reared in a conservation hatchery setting. The three treatments consisted of a control in which fish were not fed, an experimental treatment in which fish were fed using point source automated feeders and an experimental treatment in which fish were hand fed. Each replicate consisted of placing three fish in a 3.6 m grey circular tank, allowing them overnight to recover from the effects of handling, and starting at 0900 the next morning photographing them at half hour intervals until 13 photographs were acquired. The photographs were examined for grouping, mean angle between fish and mean distance between fish. General observations made over the course of the study and analysis of the photographic data indicate Snake River sockeye salmon vary their social behavior from solitary to paired to aggregated to schooled and the presence of a point source food supply increases aggression, but does not elicit territorial defense. |
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Entity Information
Entity Type | Spreadsheet |
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Active Version? | Y |
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Schema Name | PARR |
» Description |
The study examines the effect of a point source food supply on the social behavior of sockeye salmon (Oncorhynchus nerka) reared in a conservation hatchery setting. The three treatments consisted of a control in which fish were not fed, an experimental treatment in which fish were fed using point source automated feeders and an experimental treatment in which fish were hand fed. Each replicate consisted of placing three fish in a 3.6 m grey circular tank, allowing them overnight to recover from the effects of handling, and starting at 0900 the next morning photographing them at half hour intervals until 13 photographs were acquired. The photographs were examined for grouping, mean angle between fish and mean distance between fish. General observations made over the course of the study and analysis of the photographic data indicate Snake River sockeye salmon vary their social behavior from solitary to paired to aggregated to schooled and the presence of a point source food supply increases aggression, but does not elicit territorial defense. |
Change Summary |
Data Attributes
Attribute Summary
Score | Req'd? | PKey? | » Name | Data Storage Type | Description |
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100 | Yes | No | Replicate | VARCHAR2 | The date on which the replicate experiment was run. Units for values are text. |
100 | Yes | No | Photo # | VARCHAR2 | The sequential photograph number of the photograph being used to obtain the measurements with image processing software. Units for values are Sequence number. |
100 | Yes | No | Treatment | VARCHAR2 | This designates which experimental treatment is associated with the record. C indicates this is a control treatment in which the fish were not fed during the observaton period, H indicates this is a treatment in which the fish were hand fed during the observation period, and A indicates this is a treatment in which the fish were fed with automated feeders during the observation period. Units for values are Alpha characters. |
100 | Yes | No | Group # | NUMBER | This designates the number of fish that are within one body length of one another. Units for values are Count. |
100 | No | No | Angle 1 | NUMBER | This indicates the angle measured between fish X and Y. Units for values are degree. |
100 | No | No | Angle 2 | NUMBER | This indicates the angle measured between fish X and Z. Units for values are degree. |
100 | No | No | Angle 3 | NUMBER | This indicates the angle measured between fish Y and Z. Units for values are degree. |
100 | No | No | HH dis 1 | NUMBER | This indicates the number of pixels that were counted in the distance between the tip of the nose of fish X and the tip of the nose of fish Y. Units for values are pixels. |
100 | No | No | HH dis 2 | NUMBER | This indicates the number of pixels that were counted in the distance between the tip of the nose of fish X and the tip of the nose of fish Z. Units for values are pixels. |
100 | No | No | HH dis 3 | NUMBER | This indicates the number of pixels that were counted in the distance between the tip of the nose of fish Y and the tip of the nose of fish Z. Units for values are pixels. |
100 | No | No | Longest body length | NUMBER | This indicates the number of pixels that were counted between the tip of the tail and the tip of the nose of longest fish observed in the photograph. Units for values are pixels. |
Attribute Details
Attribute Name | Replicate |
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Seq. Order | 1 |
Data Storage Type | VARCHAR2 |
Max Length | 9 |
Min Length | |
Required | Yes |
Primary Key | No |
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Status | Active |
Description |
The date on which the replicate experiment was run. Units for values are text. |
General Data Type | VARCHAR2 |
Unit of Measure | text |
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Attribute Name | Photo # |
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Seq. Order | 2 |
Data Storage Type | VARCHAR2 |
Max Length | 5 |
Min Length | |
Required | Yes |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
The sequential photograph number of the photograph being used to obtain the measurements with image processing software. Units for values are Sequence number. |
General Data Type | VARCHAR2 |
Unit of Measure | Sequence number |
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Allowed Values | 0-1300 |
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Attribute Name | Treatment |
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Seq. Order | 3 |
Data Storage Type | VARCHAR2 |
Max Length | 1 |
Min Length | |
Required | Yes |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
This designates which experimental treatment is associated with the record. C indicates this is a control treatment in which the fish were not fed during the observaton period, H indicates this is a treatment in which the fish were hand fed during the observation period, and A indicates this is a treatment in which the fish were fed with automated feeders during the observation period. Units for values are Alpha characters. |
General Data Type | VARCHAR2 |
Unit of Measure | Alpha characters |
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Allowed Values | C, H, A |
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Attribute Name | Group # |
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Seq. Order | 4 |
Data Storage Type | NUMBER |
Max Length | 1 |
Min Length | |
Required | Yes |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
This designates the number of fish that are within one body length of one another. Units for values are Count. |
General Data Type | NUMBER |
Unit of Measure | Count |
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Null Value Meaning | |
Allowed Values | 1-3 |
Default Value | |
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Validation Rules |
Attribute Name | Angle 1 |
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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 |
This indicates the angle measured between fish X and Y. Units for values are degree. |
General Data Type | NUMBER |
Unit of Measure | degree |
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Null Value Meaning | |
Allowed Values | 0-180 |
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Attribute Name | Angle 2 |
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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 |
This indicates the angle measured between fish X and Z. Units for values are degree. |
General Data Type | NUMBER |
Unit of Measure | degree |
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Null Value Meaning | |
Allowed Values | 0-180 |
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Attribute Name | Angle 3 |
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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 |
This indicates the angle measured between fish Y and Z. Units for values are degree. |
General Data Type | NUMBER |
Unit of Measure | degree |
Case Restriction | |
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Format Mask | |
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Null Value Meaning | |
Allowed Values | 0-180 |
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Validation Rules |
Attribute Name | HH dis 1 |
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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 |
This indicates the number of pixels that were counted in the distance between the tip of the nose of fish X and the tip of the nose of fish Y. Units for values are pixels. |
General Data Type | NUMBER |
Unit of Measure | pixels |
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Null Value Meaning | |
Allowed Values | 0-2000 |
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Attribute Name | HH dis 2 |
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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 |
This indicates the number of pixels that were counted in the distance between the tip of the nose of fish X and the tip of the nose of fish Z. Units for values are pixels. |
General Data Type | NUMBER |
Unit of Measure | pixels |
Case Restriction | |
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Null Value Meaning | |
Allowed Values | 0-2000 |
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Attribute Name | HH dis 3 |
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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 |
This indicates the number of pixels that were counted in the distance between the tip of the nose of fish Y and the tip of the nose of fish Z. Units for values are pixels. |
General Data Type | NUMBER |
Unit of Measure | pixels |
Case Restriction | |
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Null Value Meaning | |
Allowed Values | 0-2000 |
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Attribute Name | Longest body length |
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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 |
This indicates the number of pixels that were counted between the tip of the tail and the tip of the nose of longest fish observed in the photograph. Units for values are pixels. |
General Data Type | NUMBER |
Unit of Measure | pixels |
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Allowed Values | 90-200 |
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Catalog Details
Catalog Item ID | 36785 |
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Metadata Record Created By | Jeffrey W Cowen |
Metadata Record Created | 2017-02-13 16:57+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2022-08-09 17:11+0000 |
Metadata Record Published | 2018-02-27 |
Owner Org | NWFSC |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2018-02-27 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2019-02-27 |
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