1004S- HERAS North sea herring acoustic survey- Scotia cruise 1004

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 July 2024
• Topic: Not added
• Licence: Other Licence ; View licence information

Summary

Daily folders (22) of Simrad format (.ek5) acoustic data. 22 Echoview format (EV) format analysis files. Excel biological data for 40 pelagic hauls. CTD data for 18 vertical dips. SVP data for 18 deployments. Data for 40 minilogger deployments. Continual Thermosalinograph data. Continual AGDS data. Objectives: 1. To conduct an acoustic survey to estimate the abundance and distribution of herring in the north western North Sea and north of Scotland between 58°15-61.45'N and 4°W to 2°E, excluding Faroese waters. 2. To obtain echosounder trace identification using pelagic trawl. 3. To obtain samples of herring for biological analysis, including age, length, weight, sex, maturity and ichthyophonus infection. 4. To obtain photographic records for fish maturity analysis. 5. To obtain hydrographic data for comparison with the horizontal and vertical distribution of herring. 6. To obtain plankton samples for acoustic identification work. 7. To obtain plankton data using Utow. 8. To conduct SAT (Sea Acceptance Trial) on new EK60 echo sounder system.

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Data links

Link to the data	Format	File added	Data preview
Resource locator	N/A	10 July 2024	Not available

Additional information

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• Added to data.gov.uk: 2016-05-19
• Access contraints: no limitations to public access
• Harvest GUID: Marine_Scotland_FishDAC_1753
• Extent: Latitude: 62° to 58°
• Extent: Longitude: -4° to 2°
• Spatial reference system: urn:ogc:def:crs:EPSG::4326
• Dataset reference date: 2016-05-09 (publication)
• Frequency of update: Not Planned
• Responsible party: Scottish Government (Marine Scotland) (pointOfContact, custodian, distributor); University of St Andrews (originator)
• ISO 19139 resource type: dataset
• Metadata language: eng
• Source Metadata: XML
• Source Metadata: HTML

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Licence information

Open Government License (http://www.nationalarchives.gov.uk/doc/open-government-licence/)