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FRV Scotia 1201S

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Scotia (748S)
Cruise identifier1201S
Cruise period2001-07-27 — 2001-08-18
StatusCompleted
Port of departurePeterhead, United Kingdom
Port of returnAberdeen, United Kingdom
PurposeResearch
Objectives1. To undertake a demersal trawling survey of the North Sea.
2. To obtain temperature and salinity data from surface and sea bed at each trawling location.
3. To carry out benthic sampling along the track of as many trawl stations as time permits.
Chief scientistKenneth A Coull (Fisheries Research Services Aberdeen Marine Laboratory)
Cruise reportFRV Scotia 1201S cruise report sc12_01.pdf (0.15 MB) 
Ocean/sea areas 
GeneralNorth Sea
North East Atlantic Ocean (limit 40W)
SpecificNorth Sea and Shetland Islands
Track chartsFRV Scotia 1201S cruise track — sc12_01track.pdf (0.03 MB) 
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 23
Description: Thermosalinograph run throughout cruise.
CTD stationsQuantity: number of profiles = 87
Description: CTD deployed prior to each trawl station.
Biology and fisheries 
Primary productivityQuantity: number of hauls = 39
Description: Two metre beam trawl towed for 15 mins along track of trawl stations. All phytobenthos, zoobenthos, molluscs, crustaceans and fish recorded.
PhytobenthosQuantity: number of hauls = 39
Description: Two metre beam trawl towed for 15 mins along track of trawl stations. All phytobenthos, zoobenthos, molluscs, crustaceans and fish recorded.
ZoobenthosQuantity: number of hauls = 39
Description: Two metre beam trawl towed for 15 mins along track of trawl stations. All phytobenthos, zoobenthos, molluscs, crustaceans and fish recorded.
Pelagic fishQuantity: number of hauls = 87
Description: One haul of 30 minutes' duration in each statistical rectangle of allocated area. Demersal (GOV) trawl deployed with scanmar sensors to measure net width, height, etc. Length measurements recordered for all species encountered. Otoliths taken from cod, haddock, whitting, saithe, norway pout, sprat, herring and mackeral to provide estimates of numbers caught at each age group.
Pelagic fishQuantity: number of hauls = 39
Description: Two metre beam trawl towed for 15 mins along track of trawl stations. All phytobenthos, zoobenthos, molluscs, crustaceans and fish recorded.
Demersal fishQuantity: number of hauls = 87
Description: One haul of 30 minutes' duration in each statistical rectangle of allocated area. Demersal (GOV) trawl deployed with scanmar sensors to measure net width, height, etc. Length measurements recordered for all species encountered. Otoliths taken from cod, haddock, whitting, saithe, norway pout, sprat, herring and mackeral to provide estimates of numbers caught at each age group.
Demersal fishQuantity: number of hauls = 39
Description: Two metre beam trawl towed for 15 mins along track of trawl stations. All phytobenthos, zoobenthos, molluscs, crustaceans and fish recorded.
MolluscsQuantity: number of cores = 38
Description: Box corer deployed at 2 or 3 locations along trawl track. Mud samples sifted and remaining sample returned to laboratory for analysis.
MolluscsQuantity: number of hauls = 39
Description: Two metre beam trawl towed for 15 mins along track of trawl stations. All phytobenthos, zoobenthos, molluscs, crustaceans and fish recorded.
CrustaceansQuantity: number of cores = 38
Description: Box corer deployed at 2 or 3 locations along trawl track. Mud samples sifted and remaining sample returned to laboratory for analysis.
CrustaceansQuantity: number of hauls = 39
Description: Two metre beam trawl towed for 15 mins along track of trawl stations. All phytobenthos, zoobenthos, molluscs, crustaceans and fish recorded.
Geology and geophysics 
Core - soft bottomQuantity: number of cores = 38
Description: Box corer deployed at 2 or 3 locations along trawl track. Mud samples sifted and remaining sample returned to laboratory for analysis.