Trawl Data
Entity (ENT) | Southwest Fisheries Science Center (SWFSC)GUID: gov.noaa.nmfs.inport:57056 | Updated: April 23, 2025 | Published / External
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Summary
Specimens captured in trawls by the SWFSC Fisheries Resources Division during surveys for coastal pelagic species. Most tows were targeted for coastal pelagic species (e.g., sardine, anchovy, mackerels) using a Nordic trawl (2023 and before) or a Multi-Function Trawl net (2024 and after) on the surface at night. The database includes information on individual trawls, catch data with identification to various taxonomic levels depending on species, length frequencies, and individual length and weight data.
DescriptionFish captured in trawls by the SWFSC Fisheries Resources Division during surveys for coastal pelagic species. Most tows were targeted for sardine using a Nordic trawl on the surface at night. The database includes identification to various taxonomic levels depending on species, length frequencies, biomass data, and some age data for sardine based on analysis of otoliths.
Distribution Information
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Takes you to the ERDDAP page with the data for download.
There are no restrictions or prerequisites for accessing these data.
Child Items
No Child Items for this record.
Contact Information
Metadata Contact
Brittany Schwartzkopf
brittany.schwartzkopf@noaa.gov
(858) 546-7107
Extents
-130° W,
-115° E,
50° N,
30° S
2004
Item Identification
| Title: | Trawl Data |
|---|---|
| Status: | In Work |
| Creation Date: | 2004 |
| Publication Date: | 2015 |
| Abstract: |
Specimens captured in trawls by the SWFSC Fisheries Resources Division during surveys for coastal pelagic species. Most tows were targeted for coastal pelagic species (e.g., sardine, anchovy, mackerels) using a Nordic trawl (2023 and before) or a Multi-Function Trawl net (2024 and after) on the surface at night. The database includes information on individual trawls, catch data with identification to various taxonomic levels depending on species, length frequencies, and individual length and weight data. |
| Purpose: |
These data have been collected primarily for use in the coastal pelagic species (i.e., Pacific sardine, northern anchovy, Pacific mackerel) stock assessments to estimate adult parameters for the daily egg-production method, and to quantify species compositions for acoustic estimates. |
Keywords
Theme Keywords
| Thesaurus | Keyword |
|---|---|
| UNCONTROLLED | |
| daily egg production method | DEPM |
| Trachurus symmetricus | jack mackerel |
Platform Keywords
| Thesaurus | Keyword |
|---|---|
| UNCONTROLLED | |
| Engraulis mordax | anchovy |
| Sardinops sagax | sardine |
| Scomber japonicus | Pacific mackerel |
Physical Location
| Organization: | Southwest Fisheries Science Center |
|---|---|
| City: | La Jolla |
| State/Province: | CA |
| Country: | USA |
Entity Information
| Entity Type: | Other |
|---|---|
| Active Version?: | Yes |
| Description: |
Fish captured in trawls by the SWFSC Fisheries Resources Division during surveys for coastal pelagic species. Most tows were targeted for sardine using a Nordic trawl on the surface at night. The database includes identification to various taxonomic levels depending on species, length frequencies, biomass data, and some age data for sardine based on analysis of otoliths. |
Support Roles
Data Steward
| Date Effective From: | 2010 |
|---|---|
| Date Effective To: | |
| Contact (Person): | Erisman, Brad |
| Address: |
8901 La Jolla Shores Dr. La Jolla, CA 92037 United States |
| Email Address: | brad.erisman@noaa.gov |
| Phone: | (619) 792-6100 |
Distributor
| Date Effective From: | 2003 |
|---|---|
| Date Effective To: | |
| Contact (Organization): | Southwest Fisheries Science Center (SWFSC) |
| Address: |
8901 La Jolla Shores Dr. La Jolla, CA 92037 USA |
| Phone: | (858)546-7000 |
| URL: | http://swfsc.noaa.gov/ |
| Business Hours: | 8:00-16:30 |
Metadata Contact
| Date Effective From: | 2010 |
|---|---|
| Date Effective To: | |
| Contact (Person): | Schwartzkopf, Brittany |
| Address: |
8901 La Jolla Shores Rd. La Jolla, CA 92037 United States |
| Email Address: | brittany.schwartzkopf@noaa.gov |
| Phone: | (858) 546-7107 |
Extents
Extent Group 1
Extent Group 1 / Geographic Area 1
| W° Bound: | -130 | |
|---|---|---|
| E° Bound: | -115 | |
| N° Bound: | 50 | |
| S° Bound: | 30 |
Extent Group 1 / Time Frame 1
| Time Frame Type: | Discrete |
|---|---|
| Start: | 2004 |
Access Information
| Security Class: | Unclassified |
|---|---|
| Data Access Policy: |
There are no restrictions on access to these data. |
| Data Access Procedure: |
The database is available from a queriable gui interface in a variety of file formats at : http://oceanview.pfeg.noaa.gov/erddap/search/index.html?page=1&itemsPerPage=1000&searchFor=CPS+Trawl |
| Data Access Constraints: |
There are no restrictions or prerequisites for accessing these data. |
Distribution Information
Distribution 1
| Start Date: | 2003 |
|---|---|
| End Date: | Present |
| Download URL: | https://oceanview.pfeg.noaa.gov/erddap/search/index.html?page=1&itemsPerPage=1000&searchFor=CPS+Trawl |
| Distributor: | Southwest Fisheries Science Center (SWFSC) (2003 - Present) |
| File Name: | catch,specimen,length_frequency |
| Description: |
Takes you to the ERDDAP page with the data for download. |
| File Type (Deprecated): | .xls |
Catalog Details
| Catalog Item ID: | 57056 |
|---|---|
| GUID: | gov.noaa.nmfs.inport:57056 |
| Metadata Record Created By: | Mihir Desai |
| Metadata Record Created: | 2019-07-24 18:08+0000 |
| Metadata Record Last Modified By: | Brittany Schwartzkopf |
| Metadata Record Last Modified: | 2025-04-23 14:53+0000 |
| Metadata Record Published: | 2019-07-24 |
| Owner Org: | SWFSC |
| Metadata Publication Status: | Published Externally |
| Do Not Publish?: | N |
| Metadata Last Review Date: | 2019-07-24 |
| Metadata Review Frequency: | 1 Year |
| Metadata Next Review Date: | 2020-07-24 |