gov.noaa.nmfs.inport:18470 eng UTF8 dataset Other Northwest Fisheries Science Center 206-860-3200 2725 Montlake Boulevard East Seattle WA 98112 USA https://www.nwfsc.noaa.gov WWW:LINK-1.0-http--link Website Website for this organization information resourceProvider Northwest Fisheries Science Center 206-860-3200 2725 Montlake Boulevard East Seattle WA 98112 USA nmfs.nwfsc.metadata@noaa.gov https://www.nwfsc.noaa.gov WWW:LINK-1.0-http--link NWFSC Home Website listed for Northwest Fisheries Science Center information pointOfContact 2026-03-04T19:17:17 ISO 19115-2 Geographic Information - Metadata Part 2 Extensions for imagery and gridded data ISO 19115-2:2009(E) Biological data - Integrated acoustic and trawl survey of Pacific hake off the Pacific Coast Biological data (Integrated acoustic and trawl survey of Pacific hake off the Pacific Coast) 2001-06-01 creation 2017-01-25 publication NOAA/NMFS/EDM 18470 https://www.fisheries.noaa.gov/inport/item/18470 WWW:LINK-1.0-http--link Full Metadata Record View the complete metadata record on InPort for more information about this dataset. information Billings, Alicia A 541.867.0507 Newport OR Alicia.Billings@noaa.gov originator https://www.nwfsc.noaa.gov/data/map WWW:LINK-1.0-http--link FRAM Data Warehouse Biological data collected from FSCS during catch processing download https://www.nwfsc.noaa.gov/data/map WWW:LINK-1.0-http--link FRAM Data Warehouse Biological data collected from FSCS during catch processing download https://www.webapps.nwfsc.noaa.gov/apex/parrdata/inventory/datasets/dataset/3479 WWW:LINK-1.0-http--link Biological data NWFSC Dataset Information page. Biological data collected from FSCS during catch processing download Integrated acoustic and trawl surveys are used to assess the distribution, biomass, and biology of Pacific hake along the Pacific coasts of the United States and Canada. Scientists from the Northwest Fisheries Science Center (NWFSC) and Department of Fisheries and Oceans-Canada are responsible for conducting the survey. The survey consists of a series of transects that are oriented generally east-west, and are spaced at a nominal 10-nautical mile interval. Sea depth at the nearshore end of individual transects is typically 50 m; offshore extents are typically at a depth of 1,500 m. Geographical coverage extends from near Morro Bay, CA north to Dixon Entrance. Acoustic data are collected during daylight hours with a Simrad EK60 scientific echo sounder coupled with the ER60 software system. Trawl samples from pelagic and bottom trawls are used to classify the observed backscatter layers to species and size composition and to collect specimens of Pacific hake and other organisms. Analysis of acoustic data involves identification and delineation of backscatter layers that are attributed to Pacific hake. The biomass estimate and length-at-age composition of Pacific hake generated from this survey are used in analysis and management of the stock. This survey is conducted on a biennial basis. There is a firm deadline for producing the biomass estimate in the middle of the December following the survey. Biological data collected from FSCS during catch processing. Raw/field data completed Billings, Alicia A 541.867.0507 Newport OR Alicia.Billings@noaa.gov pointOfContact Billings, Alicia A 541.867.0507 Newport OR Alicia.Billings@noaa.gov custodian Bell M. Shimada IATS Merluccius productus Pacific hake Pacific whiting acoustic survey acoustics echo integration-trawl survey hake theme U.S. and Canadian waters off the Pacific coast place Instrument Not Applicable instrument Bottom Sampler platform DOC/NOAA/NMFS/NWFSC > Northwest Fisheries Science Center, National Marine Fisheries Service, NOAA. U.S. Department of Commerce dataCentre Global Change Master Directory (GCMD) Data Center Keywords 2017-04-24 publication 8.5 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian FRAM (Fishery Resource Analysis and Monitoring) Division project InPort otherRestrictions Cite As: Northwest Fisheries Science Center, [Date of Access]: Biological data - Integrated acoustic and trawl survey of Pacific hake off the Pacific Coast [Data Date Range], https://www.fisheries.noaa.gov/inport/item/18470. NOAA provides no warranty, nor accepts any liability occurring from any incomplete, incorrect, or misleading data, or from any incorrect, incomplete, or misleading use of the data. It is the responsibility of the user to determine whether or not the data is suitable for the intended purpose. otherRestrictions Access Constraints: NA unclassified NOAA Data Management Plan (DMP) NOAA/NMFS/EDM 18470 https://www.fisheries.noaa.gov/inportserve/waf/noaa/nmfs/nwfsc/dmp/pdf/18470.pdf WWW:LINK-1.0-http--link NOAA Data Management Plan (DMP) NOAA Data Management Plan for this record on InPort. information crossReference eng; US oceans Other - RDBMS and Spreadsheet formats -132.3937 -123.3793 40.3514 50.4752 U.S. and Canadian waters off the Pacific coast: West Coast of U.S. and Canada 2001-01-01 Subject to Public Access to Research Results (PARR): Yes false eng false Spreadsheet Catch Acoustics Fact 2017-03-03 publication Operation Acoustics Fact 2017-03-03 publication Northwest Fisheries Science Center 206-860-3200 2725 Montlake Boulevard East Seattle WA 98112 USA nmfs.nwfsc.metadata@noaa.gov https://www.nwfsc.noaa.gov WWW:LINK-1.0-http--link NWFSC Home Website listed for Northwest Fisheries Science Center information distributor https://www.webapps.nwfsc.noaa.gov/apex/parrdata/inventory/tables/table/operation_acoustics_fact WWW:LINK-1.0-http--link Operation Acoustics Fact Operation details from the Integrated acoustic and trawl survey of Pacific hake off the Pacific Coast download https://www.nwfsc.noaa.gov/data/api/v1/source/acoustics.operation_acoustics_fact/selection.json WWW:LINK-1.0-http--link Operation Acoustics Fact (RESTful) Operation details from the Integrated acoustic and trawl survey of Pacific hake off the Pacific Coast download https://www.webapps.nwfsc.noaa.gov/apex/parrdata/inventory/tables/table/catch_acoustics_fact WWW:LINK-1.0-http--link Catch Acoustics Fact Catch data from the Integrated acoustic and trawl survey of Pacific hake off the Pacific Coast download https://www.nwfsc.noaa.gov/data/api/v1/source/acoustics.catch_acoustics_fact/selection.json WWW:LINK-1.0-http--link Catch Acoustics Fact (RESTful) Catch data from the Integrated acoustic and trawl survey of Pacific hake off the Pacific Coast download dataset Accuracy High Data is collected using FSCS, consolidated, and length frequency and catch percentages are calculated. These data were collected and processed in accordance with established protocols and best practices under the direction of the project’s Principal Investigator. Contact the dataset Data Manager for full QA/QC methodology.