The International Billfish Angler Survey--Summarized
Southwest Fisheries Science Center
Entity
(ENT)
| ID: 65081
| Published / External
Created: 2021-07-27
|
Last Modified: 2022-08-09
Data Set (DS) | ID: 2327
ID: 65081
Entity (ENT)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | The International Billfish Angler Survey--Summarized |
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Short Name | |
* Status | Completed |
Creation Date | 2021 |
Revision Date | |
• Publication Date | |
* » Abstract |
The International Billfish Angler Survey of the SWFSC Cooperative Billfish Tagging Program (CBTP) provides estimates of billfish angling activities in the Pacific and Indian Oceans. This collection of recreational billfish catch and effort has occurred annually since 1969 and provides an index of fishing success in many Pacific billfish destinations. The SWFSC CBTP sends out surveys (hardcopy from 1969 to 2017, digital from 2017 to 2019) to participating anglers at the beginning of each calendar year to report their catch and effort in the prior year. Anglers report the number of whole fishing days per fishing location as yearly effort, and report billfish catch (kept and released) by species at each location. The nominal catch-per-unit-effort (nCPUE) can be calculated from catch and effort, defined as the number of billfish caught per fishing day (total billfish caught/total fishing effort). The nCPUE alone should not be taken as a representation of population size or trends, but instead infer a relative index of nominal recreational effort in the absence of comprehensive and systematic fishery-independent data collection. This measure of angler success, tracked over time, can indicate changes in stock size caused by over fishing, changing environmental conditions, or local economic and political events. Only a small proportion of the data are from anglers in the Indian Ocean. The data presented cover the calendar years 1984-2019 and is grouped by year and location for the following summed metrics: fishing effort (whole days), blue marlin catch, black marlin catch, striped marlin catch, spearfish catch, and swordfish catch. |
* Purpose |
This dataset is intended for public use for research. |
Notes |
This dataset contains summarized data grouped by year and location. The data reported to the SWFSC from constituents is voluntary and not verified at time of collection by NOAA staff or a credential scientific party, unless specifically indicated as “research” in the Billfish Database. As such, fish weights and lengths, fish condition, and fight time are largely estimated by the angler or captain. Although many location coordinates may be accurately sourced from Global Positioning System (GPS) equipment, all locations are treated as estimates. Blanks are treated as “No data”, as the number “0” is a valid code for some data fields. These data issues should be considered before interpreting any analyses based on SWFSC Cooperative Billfish Tagging Program data. |
Other Citation Details | |
• Supplemental Information |
For detailed information about the operations, methods, and database organization of the SWFSC Cooperative Billfish Tagging Program, please refer to: Heberer, L.N., Wraith, J., Kohin, S., Gu, Y., Nasby-Lucas, N.D., and Dewar, H. 2021. The NOAA Southwest Fisheries Science Center Cooperative Billfish Tagging Program Operations and Database. NOAA Tech. Memo. NMFS-SWFSC-640 at at https://repository.library.noaa.gov/view/noaa/28449. |
DOI (Digital Object Identifier) | https://doi.org/10.25923/3kcr-wd15 |
DOI Registration Authority | NOAA |
DOI Issue Date | 2021-02-26 |
Keywords
Theme Keywords
Thesaurus | Keyword |
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None | billfish |
None | black marlin |
None | blue marlin |
None | recreational angler |
None | sailfish |
None | shortbill spearfish |
None | striped marlin |
None | survey |
None | swordfish |
Temporal Keywords
Thesaurus | Keyword |
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* Spatial Keywords
Thesaurus | Keyword |
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None | Pacific Ocean |
Stratum Keywords
Thesaurus | Keyword |
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Instrument Keywords
Thesaurus | Keyword |
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Platform Keywords
Thesaurus | Keyword |
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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 |
Entity Information
Entity Type | Data Table |
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Active Version? | Y |
Alias | |
Schema Name | |
» Description |
The summarized survey data contains records of survey responses grouped by survey year and location. |
Change Summary |
Data Attributes
Attribute Summary
Score | Req'd? | PKey? | » Name | Data Storage Type | Description |
---|---|---|---|---|---|
100 | Yes | Yes | year | smallint | Calendar year of survey, which encompasses data for January 01- December 31. |
100 | Yes | Yes | location_cd | tinyint | Numeric code for fishing location where fishing effort for the calendar year took place. Locations are colloquial and not geographically standardized (e.g. 10-minute fishing block, or degrees of latitude). Tag recovery location was provided on the survey form or handwritten in an "other" field. |
100 | Yes | Yes | location | varchar(50) | Location where fishing effort for the calendar year took place. Locations are colloquial and not geographically standardized (e.g. 10-minute fishing block, or degrees of latitude). Tag recovery location were provided on the survey form or handwritten in an "other" field. |
100 | No | No | ocean | char(16) | The ocean of fishing effort as corresponding to reported fishing location. |
100 | Yes | No | effort | smallint | Number of whole days fished in the survey year, regardless of catch (released or landed). |
100 | No | No | blue_marlin_catch | smallint | The total sum of blue marlin reported caught (kept or released) at that location and survey year. |
100 | No | No | black_marlin_catch | smallint | The total sum of black marlin reported caught (kept or released) at that location and survey year. |
100 | No | No | striped_marlin_catch | smallint | The total sum of striped marlin reported caught (kept or released) at that location and survey year. |
100 | No | No | sailfish_catch | smallint | The total sum of sailfish reported caught (kept or released) at that location and survey year. |
100 | No | No | spearfish_catch | smallint | The total sum of spearfish reported caught (kept or released) at that location and survey year. |
100 | No | No | swordfish_catch | smallint | The total sum of swordfish reported caught (kept or released) at that location and survey year. |
100 | No | No | captain_report | boolean (bit) | Is the data reported by a vessel captain who may be summing the vessel's total catch? If yes, these figures may inflate the year's total catch, as individual anglers may have already reported their catch from that vessel. The SWFSC omits any confirmed captain report to avoid any double-reporting. |
Attribute Details
Attribute Name | year |
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Seq. Order | 1 |
Data Storage Type | smallint |
Max Length | 4 |
Min Length | |
Required | Yes |
Primary Key | Yes |
Precision | |
Scale | |
Status | Active |
Description |
Calendar year of survey, which encompasses data for January 01- December 31. |
General Data Type | integer |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | yyyy |
Null Value | |
Null Value Meaning | |
Allowed Values | 1984-2019 |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | location_cd |
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Seq. Order | 2 |
Data Storage Type | tinyint |
Max Length | |
Min Length | |
Required | Yes |
Primary Key | Yes |
Precision | |
Scale | |
Status | Active |
Description |
Numeric code for fishing location where fishing effort for the calendar year took place. Locations are colloquial and not geographically standardized (e.g. 10-minute fishing block, or degrees of latitude). Tag recovery location was provided on the survey form or handwritten in an "other" field. |
General Data Type | integer |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | location |
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Seq. Order | 3 |
Data Storage Type | varchar(50) |
Max Length | |
Min Length | |
Required | Yes |
Primary Key | Yes |
Precision | |
Scale | |
Status | Active |
Description |
Location where fishing effort for the calendar year took place. Locations are colloquial and not geographically standardized (e.g. 10-minute fishing block, or degrees of latitude). Tag recovery location were provided on the survey form or handwritten in an "other" field. |
General Data Type | character |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | ocean |
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Seq. Order | 4 |
Data Storage Type | char(16) |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
The ocean of fishing effort as corresponding to reported fishing location. |
General Data Type | character |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | effort |
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Seq. Order | 5 |
Data Storage Type | smallint |
Max Length | |
Min Length | |
Required | Yes |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Number of whole days fished in the survey year, regardless of catch (released or landed). |
General Data Type | integer |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | Blank |
Null Value Meaning |
No value reported. |
Allowed Values | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | blue_marlin_catch |
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Seq. Order | 6 |
Data Storage Type | smallint |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
The total sum of blue marlin reported caught (kept or released) at that location and survey year. |
General Data Type | integer |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | black_marlin_catch |
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Seq. Order | 7 |
Data Storage Type | smallint |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
The total sum of black marlin reported caught (kept or released) at that location and survey year. |
General Data Type | integer |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | striped_marlin_catch |
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Seq. Order | 8 |
Data Storage Type | smallint |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
The total sum of striped marlin reported caught (kept or released) at that location and survey year. |
General Data Type | integer |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | sailfish_catch |
---|---|
Seq. Order | 9 |
Data Storage Type | smallint |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
The total sum of sailfish reported caught (kept or released) at that location and survey year. |
General Data Type | integer |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | spearfish_catch |
---|---|
Seq. Order | 10 |
Data Storage Type | smallint |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
The total sum of spearfish reported caught (kept or released) at that location and survey year. |
General Data Type | integer |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | swordfish_catch |
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Seq. Order | 11 |
Data Storage Type | smallint |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
The total sum of swordfish reported caught (kept or released) at that location and survey year. |
General Data Type | integer |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | captain_report |
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Seq. Order | 12 |
Data Storage Type | boolean (bit) |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Is the data reported by a vessel captain who may be summing the vessel's total catch? If yes, these figures may inflate the year's total catch, as individual anglers may have already reported their catch from that vessel. The SWFSC omits any confirmed captain report to avoid any double-reporting. |
General Data Type | integer |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
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Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2016-02-09 |
Date Effective To | |
Person | Nasby-Lucas, Nicole |
Address |
8901 La Jolla Shores Drive La Jolla, CA 92037 US |
Email Address | nicole.nasby-lucas@noaa.gov |
Phone | 858-334-2826 |
Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | Distributor |
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* » Date Effective From | 2016-02-09 |
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 | 2016-02-09 |
Date Effective To | |
Person | Nasby-Lucas, Nicole |
Address |
8901 La Jolla Shores Drive La Jolla, CA 92037 US |
Email Address | nicole.nasby-lucas@noaa.gov |
Phone | 858-334-2826 |
Fax | |
Mobile | |
URL | |
Business Hours | |
Contact Instructions |
* » Support Role | Point of Contact |
---|---|
* » Date Effective From | 2016-02-09 |
Date Effective To | |
Person | Nasby-Lucas, Nicole |
Address |
8901 La Jolla Shores Drive La Jolla, CA 92037 US |
Email Address | nicole.nasby-lucas@noaa.gov |
Phone | 858-334-2826 |
Fax | |
Mobile | |
URL | |
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* Contact Instructions |
Extents
Currentness Reference |
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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 |
East Boundary - North, Central, and South American Coastline |
Extent Group 1 / Vertical Extent
EPSG Code | |
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Vertical Minimum | |
Vertical Maximum |
Extent Group 1 / Time Frame 1
* » Time Frame Type | Range |
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* » Start | 1984 |
End | 2019 |
Alternate Start As Of Info | |
Alternate End As Of Info | complete to 1 year prior |
Description |
The International Billfish Angler Survey was initiated in 1969 and ended in 2019, completing a 50-year time series index. The only available data ranges from 1984 to 2019. |
Access Information
* » Security Class | Unclassified |
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* Security Classification System | |
Security Handling Description | |
• Data Access Policy | |
» Data Access Procedure | |
• » Data Access Constraints | |
• Data Use Constraints | |
Metadata Access Constraints | |
Metadata Use Constraints |
Distribution Information
Start Date | 2021 |
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End Date | Present |
» Download URL | https://oceanview.pfeg.noaa.gov/erddap/tabledap/FRD_Billfish_summary.html |
Distributor | Southwest Fisheries Science Center (SWFSC) (2016-02-09 - Present) |
File Name | International Billfish Angler Survey (Summarized) |
Description |
ERDDAP is a data server that gives you a simple, consistent way to download subsets of scientific datasets in common file formats and make graphs and maps. This particular ERDDAP installation contains data related to Environmental Research Division projects and collaborations. |
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Child Items
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Catalog Details
Catalog Item ID | 65081 |
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Metadata Record Created By | Liana Heberer |
Metadata Record Created | 2021-07-27 20:28+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2022-08-09 17:11+0000 |
Metadata Record Published | 2021-10-01 |
Owner Org | SWFSC |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2021-10-01 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2022-10-01 |
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