Resources

FRV Scotia 0204S

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Scotia (748S)
Cruise identifier0204S
Cruise period2004-01-20 — 2004-02-13
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
PurposeFisheries
Objectives1) To take part in the International Bottom trawl Survey in the North Sea.
2) To collect samples of cod, haddock and whiting for analysis of reproductive development, genetics and otolith chemistry.
3) To tag cod in Viking Banking and Papa Bank for investigations of their movements.
Chief scientistKenneth A Coull (Fisheries Research Services Aberdeen Marine Laboratory)
ProjectInternational Bottom Trawl Survey - Quarter 1 survey
Coordinating bodyICES
Cruise reportFRV Scotia 0204S cruise report 0204s.pdf (0.11 MB) 
Ocean/sea areas 
GeneralNorth Sea
North East Atlantic Ocean (limit 40W)
SpecificEastern and central North Sea, Moray Firth, Orkney, Shetland, Viking Bank and Papa Bank
Track chartsFRV Scotia 0204S cruise track — 0204s_track.pdf (0.06 MB) 
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 25
Description: Thermosalinograph run continuously throughout cruise.
Water bottle stationsQuantity: number of stations = 50
Description: Water samples at surface and bottom
CTD stationsQuantity: number of stations = 50
Description: CTD deployed at each survey trawl station.
Chemical oceanography 
PhosphateQuantity: number of stations = 50
Description: Water samples at surface and bottom.
NitrateQuantity: number of stations = 50
Description: Water samples at surface and bottom.
SilicateQuantity: number of stations = 50
Description: Water samples at surface and bottom
Biology and fisheries 
Eggs and larvaeQuantity: number of hauls = 112
Description: Two oblique Methot net tows completed in each statistical rectangle of the trawl survey area in order to obtain index of pre-metamorphosing herring larvae.
Pelagic fishQuantity: number of hauls = 50
Description: 1 haul of 30 minutes duration carried out at each station to obtain length frequency data for all species encountered and age data for cod, haddock, whiting, saithe, Norway pout, sprat, herring and mackerel.
Demersal fishQuantity: number of hauls = 50
Description: 1 haul of 30 minutes duration carried out at each station to obtain length frequency data for all species encountered and age data for cod, haddock, whiting, saithe, Norway pout, sprat, herring and mackerel.
TaggingsQuantity: number of hauls = 27
Description: A total of 27 hauls of varying duration carried out in order to obtain samples of cod for tagging and genetic analysis.