Cruise inventory

FRV Scotia 1307S_1

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Scotia (748S)
Cruise identifier1307S_1
Cruise period2007-09-05 — 2007-09-18
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnKillybegs, Ireland
PurposeFisheries
ObjectivesRockall 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.
Chief scientistFinlay Burns (Fisheries Research Services Aberdeen Marine Laboratory), Kevin J Peach (Fisheries Research Services Aberdeen Marine Laboratory)
ProjectRV0610
Coordinating bodyFRS
Cruise reportFRV Scotia 1307S_1 cruise report 1307s.pdf — access key 'C' (0.57 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificRockall Plateau
Track chartsFRV Scotia 1307S_1 cruise track — 1307s_1trk.pdf (00 MB) 
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Description: thermosalinograph
CTD stationsQuantity: number of stations = 4
Description: Seabird 19 lost after 4 stations
Chemical oceanography 
Other chemical oceanographic measurementsQuantity: number of stations = 42
Description: bottom depth water samples and surface water calibration samples
Biology and fisheries 
ZoobenthosQuantity: number of hauls = 42
Description: all benthic invertebrate species caught were identified and quantified
Pelagic fishQuantity: number of hauls = 42
Description: Rockall haddock survey, compare strength of the respective year classes
Pelagic fishQuantity: number of hauls = 42
Description: haddock, whiting and saithe
Demersal fishQuantity: number of hauls = 42
Description: cod, rays, angler fish and megrim
Other biological/fisheries measurementQuantity: number of hauls = 42
Description: angler fish and megrim sampled for length, weight, sex and maturity
Other biological/fisheries measurementQuantity: number of hauls = 42
Description: length/weight data collected for haddock, cod, whiting and saithe
Geology and geophysics 
Long/short range side scan sonarQuantity: number of deployments = 16
Description: drop frame
Data held at BODC 
Series/Profiles 
5  CTD/STD cast
Transmittance and attenuance of the water column
Electrical conductivity of the water column
Chlorophyll pigment concentrations in water bodies
Vertical spatial coordinates
Salinity of the water column
Temperature of the water column
Reference numbers
Transmittance and attenuance of the water column
Electrical conductivity of the water column
Chlorophyll pigment concentrations in water bodies
Vertical spatial coordinates
Salinity of the water column
Temperature of the water column
Reference numbers

BODC idDate/TimeLocationDoc.
9028882007-09-07 05:18 57° 31' 48" N  13° 23' 19" W  View metadata report for BODC series reference number 902888
9029072007-09-07 07:43 57° 28' 20" N  13° 40' 14" W  View metadata report for BODC series reference number 902907
9029192007-09-07 10:09 57° 28' 2" N  14° 0' 19" W  View metadata report for BODC series reference number 902919
9029202007-09-07 11:47 57° 34' 46" N  14° 2' 33" W  View metadata report for BODC series reference number 902920
9029322007-09-07 13:35 57° 40' 24" N  14° 6' 58" W  View metadata report for BODC series reference number 902932