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BODC Cruise Metadata Report for RV Celtic Voyager (45CV) cruise 1507H (CV0733)

Introduction

This report collates information from the BODC cruise inventory and oceanographic databases. It presents

Cruise Inventory Information

Long name RV Celtic Voyager (45CV) cruise 1507H (CV0733)
Short name 1507H (CV0733)
Objectives and Narrative Objectives

1. To internally tag adult cod from the Viking area with G5 data storage tags (DSTs) for investigations of movement and temperature experience.

2. To tag monkfish and haddock using redeployed DSTs from past projects.

3. To biologically sample cod and prespawning haddock.

4. To collect live juvenile haddock and cod for use in laboratory growth trials.

Report

Scientific equipment was loaded onto the vessel on 3 April. Staff joined the vessel on the morning of Wednesday 4 September. Weather was fine and Celtic Voyager departed at 1000. The gear was shot in Aberdeen Bay to tighten the wires, assess performance and familiarise operations. Although an optimal spread of the gear was not achieved, the trial was deemed satisfactory and the separator panel functioned to separate cod, haddock and flatfish. The catch from the two cod-ends was worked up into a species/length/frequency composition. Following this, immediate passage was made for Shetland to take advantage of fine weather. Upon reaching Shetland, however, a heavy offshore swell and northerly winds prevented immediate passage east toward the Viking Bank area, so the morning of the 5 April was spent towing in inshore waters to try to improve the spread of the gear and angling for cod.

On the morning of 6 April the vessel steamed east for the Bressay Ground and began prospectively towing for cod in the region, gradually working further east as the swell subsided. It proved slow and difficult and at times potentially dangerous to manoeuvre the live fish cod-end from the stern to the starboard side. Since tows were limited to 30 minutes, bulk was not proving to be significant and so a normal cod end was affixed and operations continued with the catch being opened on the afterdeck. The square mesh panel proved highly effective at preventing undesirable bycatch of benthic animals such as urchins and Nephrops.
Ship RV Celtic Voyager
Departure Port Aberdeen, United Kingdom
Departure Date 2007-04-04
Arrival Port Aberdeen, United Kingdom
Arrival Date 2007-04-18
Principal Scientist(s) Francis C Neat (Fisheries Research Services Aberdeen Marine Laboratory)
Responsible Organisation Fisheries Research Services Aberdeen Marine Laboratory
Associated Project(s) MF 0760
IHB Sea Areas Visited North Sea
Marsden Squares Visited 216/252
Work Area Description North Sea east of Shetland
Work Area Bounding Polygon 50N,0E; 70N,0E; 70N,10E; 50N,10E; 50N,0E
Southern Limit 50N
Northern Limit 70N
Western Limit 0E
Eastern Limit 10E

Cruise Inventory Datasets

Physical oceanography  
CTD stations Quantity: number of stations = 13
Description:  
Biology and fisheries  
Demersal fish Quantity: number of hauls = 82
Description:  
Demersal fish Quantity: number of specimens = 51
Description: live cod collected  
Other biological/fisheries measurement Quantity: number of specimens = 95
Description: cod sampled for biological, otolith and genetic studies  
Pelagic fish Quantity: number of hauls = 82
Description:  
Taggings Quantity: number of specimens = 136
Description: 98 cod, 6 haddock and 32 monkfish  

Cruise Inventory Mooring/Buoy Operations

No information on datasets is currently available

Summary of BODC Data Holdings for the Cruise

National Oceanographic Database

Summary

# Series Instrument Description Parameters
1 CTD/STD cast Chlorophyll pigment concentrations in water bodies
Electrical conductivity of the water column
Reference numbers
Salinity of the water column
Temperature of the water column
Transmittance and attenuance of the water column
Vertical spatial coordinates

Note: Parameter terms are taken from the BODC Parameter Discovery Vocabulary XML (SKOS)

Full List

BODC Reference Instrument Description Date/Time Location  
898741 CTD/STD cast 2007-04-07 10:53Z 60° 21' N, 1° 57' E Click for more

Project Database

No data currently held for this cruise in the BODC Project Database

References

Track Charts

Track Chart

Reports

Cruise Report