A comparison of benthic biodiversity in the North Sea, English Channel and Celtic Seas. Epifauna trawl sampling 1992-1996

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

Summary

Comparison dataset of Animalia in the North Sea, the English Channel and the Celtic Sea. Samples were obtained by MAFF research vessels from 69 stations between 1992-1996. A 2-m Lowestoft beam trawl with a 3 mm cod-end liner was deployed for 5–10 min across each station at a speed of about 0.5 m/s. Data includes information of the species found at each station.

The start and end of the haul positions were recorded. Tow length averaged about 400 m, but varied substantially (s.d.=290) depending on tidal current velocity and wind strength at the time of sampling.

On retrieval of the trawl, an estimate of sample volume was made, along with a summary of the contents, noting especially the presence of stones, rock, etc. The sample was then sorted on deck over a 5 mm mesh sieve.

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

Additional information

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• Added to data.gov.uk: 2023-02-06
• Access contraints: Not specified
• Harvest GUID: CEFAS6be9866e-dc0a-4e57-9f6c-de7bff72793c
• Extent: Latitude: 58.50° to 49.00°
• Extent: Longitude: -8.00° to 4.00°
• Dataset reference date: 2020-07-03 (publication)
• Dataset reference date: 2023-02-06 (revision)
• Dataset reference date: 2020-06-04 (creation)
• Frequency of update: notPlanned
• Responsible party: Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) (originator, custodian, distributor); Department for Environment, Food and Rural Affairs (DEFRA) (owner)
• ISO 19139 resource type: dataset
• Metadata language: eng
• Source Metadata: XML
• Source Metadata: HTML

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