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BODC Cruise Metadata Report for FRV Scotia (748S) cruise 1307S_1

Introduction

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

Cruise Inventory Information

Long name FRV Scotia (748S) cruise 1307S_1
Short name 1307S_1
Objectives and Narrative Rockall Haddock Survey

FRS Objectives

1. Routine daylight survey of the Rockall Plateau to assess the haddock stock within the 200 metre contour. Identify, quantify and record all other fish species encountered during the survey.
2. Nephrops TV observation work along the East edge of the bank to depths of 500 metres.
3. Identify, quantify and record all benthic invertebrate species caught.
4. Obtain temperature and salinity data from the surface and seabed at each trawling station.
5. Collect additional biological data in connection with the EU Data Directive 1639/2001.

PU/JNCC Objectives

1. Opportunistic use of the drop frame and to contribute to mapping distribution of Annex I reef habitat as required under the EC Habitats Directive.
2. Collection of invertebrate fauna from trawl samples.

Narrative

Scotia sailed from Aberdeen at 1000 on Wednesday 5 September stopping briefly at a trawling station between Aberdeen and Peterhead to test the performance of the fishing gear. Scotia then proceeded to the Rockall plateau arriving at the first station ready to commence fishing operations at 0600 on the 7 September. Trawling continued during daylight hours for the next 6 days without interruption. In line with the WTD 6-7 hauls were completed within the 13 hour working day. The haddock survey was completed by 1700 on the 13 September. Scotia then steamed east - a westerly gale preventing any further drop frame deployments - towards St Kilda so that the vessel could switch doors and change fishing gear in readiness for the deepwater survey on the shelf edge. Scotia arrived in Village Bay off St Kilda on the 14 September where the gear changes were made. Prior to the weather deteriorating the 2000kg trawl doors were dropped into position in readiness for deepwater fishing.
Ship FRV Scotia
Departure Port Aberdeen, United Kingdom
Departure Date 2007-09-05
Arrival Port Killybegs, Ireland
Arrival Date 2007-09-18
Principal Scientist(s) Finlay Burns (Fisheries Research Services Aberdeen Marine Laboratory), Kevin J Peach (Fisheries Research Services Aberdeen Marine Laboratory)
Responsible Organisation Fisheries Research Services Aberdeen Marine Laboratory
Associated Project(s) RV0610
IHB Sea Areas Visited North East Atlantic Ocean (limit 40W)
Marsden Squares Visited 182;3
Work Area Description Rockall Plateau
Work Area Bounding Polygon 55N,15W; 60N,15W; 60N,10W; 55N,10W; 55N,15W
Southern Limit 55N
Northern Limit 60N
Western Limit 15W
Eastern Limit 10W

Cruise Inventory Datasets

Physical oceanography  
CTD stations Quantity: number of stations = 4
Description: Seabird 19 lost after 4 stations  
Surface measurements underway (T,S) Description: thermosalinograph  
Chemical oceanography  
Other chemical oceanographic measurements Quantity: number of stations = 42
Description: bottom depth water samples and surface water calibration samples  
Biology and fisheries  
Demersal fish Quantity: number of hauls = 42
Description: cod, rays, angler fish and megrim  
Other biological/fisheries measurement Quantity: number of hauls = 42
Description: length/weight data collected for haddock, cod, whiting and saithe  
Other biological/fisheries measurement Quantity: number of hauls = 42
Description: angler fish and megrim sampled for length, weight, sex and maturity  
Pelagic fish Quantity: number of hauls = 42
Description: Rockall haddock survey, compare strength of the respective year classes  
Pelagic fish Quantity: number of hauls = 42
Description: haddock, whiting and saithe  
Zoobenthos Quantity: number of hauls = 42
Description: all benthic invertebrate species caught were identified and quantified  
Geology and geophysics  
Long/short range side scan sonar Quantity: number of deployments = 16
Description: drop frame  

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
5 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  
902888 CTD/STD cast 2007-09-07 05:18Z 57° 31' N, 13° 23' W Click for more
902907 CTD/STD cast 2007-09-07 07:43Z 57° 28' N, 13° 40' W Click for more
902919 CTD/STD cast 2007-09-07 10:09Z 57° 28' N, 14° 0' W Click for more
902920 CTD/STD cast 2007-09-07 11:47Z 57° 34' N, 14° 2' W Click for more
902932 CTD/STD cast 2007-09-07 13:35Z 57° 40' N, 14° 7' W 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