VR2W raw datafiles
Southwest Fisheries Science Center
Data Set
(DS)
| ID: 27629
| Published / External
Created: 2015-09-30
|
Last Modified: 2022-08-09
Project (PRJ) | ID: 27627
ID: 27629
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | VR2W raw datafiles |
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Short Name | |
* Status | In Work |
Creation Date | 2015 |
Revision Date | |
• Publication Date | |
* » Abstract |
Cowcod are the primary species that have influenced groundfish regulations since 2001 in California waters. More progressive management approaches have been adopted during this time, and many rockfish species, including cowcod, now appear to be rebuilding. This rebuilding has recently translated into increased cowcod catches by both recreational and commercial fishers, and the use of descending devices has become a popular method for releasing these fish with as little harm as possible. However, post-release mortality of cowcod associated with the use of these descending devices is still unclear. We have tagged __ adult individuals using acoustic telemetry methods, and analyses of these movement data are currently underway. We will also tag juvenile and sub-adult cowcod in an effort to estimate size-dependent post-release mortality and movement patterns. This will give us a better understanding of the rebuilding status of the species, and how changes in fishing regulations might affect this rebuilding. |
* Purpose |
Recent population assessments of cowcod suggest the species is rebuilding, and increased interactions with commercial and recreational fisheries also suggest increasing numbers of cowcod. However, it is unclear how these increased catch-and-release events translate to impacts on the stock, and how changes in fishing depth restrictions might affect cowcod mortality. We will use acoustic telemetry to measure post-release mortality and movement patterns of cowcod, as well as the effectiveness of descending devices for releasing individuals back to depth. |
Notes | |
Other Citation Details | |
• Supplemental Information | |
DOI (Digital Object Identifier) | |
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DOI Issue Date |
Keywords
Theme Keywords
Thesaurus | Keyword |
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None | barotrauma |
None | rockfish |
Temporal Keywords
Thesaurus | Keyword |
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None | post-release mortality |
* Spatial Keywords
Thesaurus | Keyword |
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None | acoustic telemetry |
None | movement patterns |
Stratum Keywords
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Physical Location
• » Organization | Southwest Fisheries Science Center |
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• » City | La Jolla |
• » State/Province | CA |
• Country | USA |
• » Location Description |
Data Set Information
* Data Set Scope Code | Data Set |
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• Data Set Type | Mixed |
• Maintenance Frequency | As Needed |
Maintenance Note | |
» Data Presentation Form | Table (digital) |
• Entity Attribute Overview | |
Entity Attribute Detail Citation | |
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Distribution Liability | |
Data Set Credit |
Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2015 |
Date Effective To | |
Person | Hyde, John R |
Address |
8901 La Jolla Shores Dr La Jolla, CA 92037 USA |
Email Address | John.Hyde@noaa.gov |
Phone | (858) 546-7086 |
Fax | (858) 546-7003 |
Mobile | |
URL | |
Business Hours | 8:00 AM - 4:30 PM |
Contact Instructions |
* » Support Role | Distributor |
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* » Date Effective From | 2015 |
Date Effective To | |
Organization | Southwest Fisheries Science Center (SWFSC) |
Address |
8901 La Jolla Shores Dr. La Jolla, CA 92037 USA |
Email Address | |
Phone | (858)546-7000 |
Fax | |
Mobile | |
URL | http://swfsc.noaa.gov/ |
Business Hours | 8:00-16:30 |
Contact Instructions |
* » Support Role | Metadata Contact |
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* » Date Effective From | 2015 |
Date Effective To | |
Person | Hyde, John R |
Address |
8901 La Jolla Shores Dr La Jolla, CA 92037 USA |
Email Address | John.Hyde@noaa.gov |
Phone | (858) 546-7086 |
Fax | (858) 546-7003 |
Mobile | |
URL | |
Business Hours | 8:00 AM - 4:30 PM |
Contact Instructions |
* » Support Role | Point of Contact |
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* » Date Effective From | 2015 |
Date Effective To | |
Person | Hyde, John R |
Address |
8901 La Jolla Shores Dr La Jolla, CA 92037 USA |
Email Address | John.Hyde@noaa.gov |
Phone | (858) 546-7086 |
Fax | (858) 546-7003 |
Mobile | |
URL | |
Business Hours | 8:00 AM - 4:30 PM |
Contact Instructions |
* » Support Role | |
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* Contact Instructions |
Extents
Currentness Reference | Ground Condition |
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Extent Group 1
Extent Description |
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Extent Group 1 / Geographic Area 1
* » W° Bound | |
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* » E° Bound | |
* » N° Bound | |
* » S° Bound | |
* » Description |
43 Fathom Bank, and coastal San Diego shelf (60-120m depth) |
Extent Group 1 / Vertical Extent
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Extent Group 1 / Time Frame 1
* » Time Frame Type | Continuing |
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* » Start | 2015 |
End | |
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Description |
Spatial Information
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Video Representation Used? |
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Vector Representation
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Reference Systems
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Access Information
Data License | |
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Data License URL | |
Data License Statement | |
* » Security Class | Unclassified |
* Security Classification System |
These data are unclassified. |
Security Handling Description |
Data will be stored on a SWFSC server. |
• Data Access Policy |
The data are not scheduled for release, and will be accessible to the researchers conducting the study. |
» Data Access Procedure |
Contact POC via email |
• » Data Access Constraints |
There are no restrictions or prerequisites for accessing these data. |
• Data Use Constraints | |
Metadata Access Constraints | |
Metadata Use Constraints |
Distribution Information
Start Date | |
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» Download URL | https://swfsc.noaa.gov/textblock.aspx?Division=FRD&ParentMenuID=190&id=1290 |
Distributor | Southwest Fisheries Science Center (SWFSC) (2015 - Present) |
File Name | Cowcod Research |
Description | |
File Date/Time | |
File Type (Deprecated) | html |
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URLs
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Activity Log
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Issues
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Technical Environment
Description |
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Data Quality
Representativeness | |
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Accuracy |
Data are error checked using preinstalled software on the hydrophone and further checked against tagging data. |
Analytical Accuracy | |
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Completeness Measure | |
Precision | |
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Completeness Report | |
Conceptual Consistency | |
» Quality Control Procedures Employed |
Data are error checked using preinstalled software on the hydrophone and further checked against tagging data. |
Data Management
» Have Resources for Management of these Data Been Identified? | No |
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» Approximate Percentage of Budget for these Data Devoted to Data Management | Unknown |
» Do these Data Comply with the Data Access Directive? | No |
» Is Access to the Data Limited Based on an Approved Waiver? | No |
» If Distributor (Data Hosting Service) is Needed, Please Indicate | |
» Approximate Delay Between Data Collection and Dissemination | 1 year |
» If Delay is Longer than Latency of Automated Processing, Indicate Under What Authority Data Access is Delayed | |
» Actual or Planned Long-Term Data Archive Location | NCEI-MD |
» Approximate Delay Between Data Collection and Archiving | 1 year |
» How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive? |
Data are stored on a server at the Southwest Fisheries Science Center which has all appropriate access controls. |
Lineage
» Lineage Statement |
Acoustic data from tagged fish are passively recorded onboard and post-processed in the laboratory. |
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Sources
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Source |
Acquisition Information
Instruments
Identifier | Vemco VR2W |
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Docucomp UUID | |
Instrument / Gear | Instrument |
Instrument Type | Acoustic Receiver |
Description |
The VR2W-69 kHz is an acoustic monitoring receiver that is affordable, compact, easy to use, long-lasting and versatile. This receiver is ideal for research projects ranging from small river monitoring to freshwater lake studies to multi-researcher, multi-tracking operations in large oceanic systems. The VR2W is capable of identifying all VEMCO 69 kHz coded transmitters and provides researchers with a robust, reliable means of studying the migration and behaviour patterns of a wide variety of species as they travel across vast distances. |
Identifier | |
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Docucomp UUID | |
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Description |
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Description |
Platforms
Identifier | Charter vessels-small boats | ||
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Docucomp UUID | |||
Description |
various vessels ranging in size (20-40 ft length) chartered for cetacean surveys when a NOAA small boat is not available. |
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FAQs
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Child Items
Rubric scores updated every 15m
Score | Type | Title |
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Related Items
Item Type | Relationship Type | Title |
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Catalog Details
Catalog Item ID | 27629 |
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Metadata Record Created By | John R Hyde |
Metadata Record Created | 2015-09-30 15:25+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2022-08-09 17:11+0000 |
Metadata Record Published | 2016-01-11 |
Owner Org | SWFSC |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2016-01-11 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2017-01-11 |
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