Cruise inventory

FRV Explorer 6/69

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier6/69
Cruise period1969-09-24 — 1969-10-21
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
PurposeResearch
Objectives1) Trawling to sample blue whiting
2) An echo-survey was made to investigate the extent of mid-water traces thought to be caused by blue whiting. The Marconiecho-sounder was run continuously during the cruise
3) 2 Fleets of creels were laid on the edge of the continental shelf
4) A sample of Rabbit-fish was collected for an examination of their possible toxic properties by the Torry Reasearch Station

Work had to be suspended at times during the cruise due to unsuitable weather. Work was abandoned from the 07/10/1969 till the 08/10/1969 due to bad weather. The ship stopped at Torshavn from the 10/10/1969 till the 12/10/1969 to repair the ''netzonde'' winch, which was unsuccessful.
Chief scientistRoger S Bailey (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 6/69 cruise report explorer6_69.pdf — access key 'C' (0.25 MB) 
Ocean/sea areas 
GeneralNorth Atlantic Ocean
North Sea
Norwegian Sea
SpecificRockall Bank, Rosemary Bank, Lousy Bank, Rosengarten Bank, Faroes, Faroe-Iceland ridge, Northern edge of Faroe plateau, NE of Shetlands
Measurements 
Biology and fisheries 
PhytoplanktonQuantity: number of hauls = 12
Description: Plankton sampling with the W.P.3 net and a number of horizontal tows were made to determine the composition of the echo-traces
ZooplanktonQuantity: number of hauls = 12
Description: Plankton sampling with the W.P.3 net and a number of horizontal tows were made to determine the composition of the echo-traces
Pelagic fishQuantity: number of hauls = 25
Description: 6 hauls made with the mid-water trawl, blue whiting, saithe, sebastes and myctophids caught. 9 hauls made with the Engels trawl, Ray's dream, dealfish, lumpsuckers, horse mackerel, blue whiting and myctophids caught. 10 hauls were made with the SARO trawl
Exploratory fishingQuantity: number of hauls = 25
Description: 6 hauls made with the mid-water trawl, blue whiting, saithe, sebastes and myctophids caught. 9 hauls made with the Engels trawl, Ray's dream, dealfish, lumpsuckers, horse mackerel, blue whiting and myctophids caught. 10 hauls were made with the SARO trawl