Cruise inventory

FRV Explorer 4/66

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier4/66
Cruise period1966-05-28 — 1966-06-16
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
PurposeResearch
Objectives1) West coast herring trawling survey
2) Moray Firth current indicator releases
3) Collection of ripe lemon sole for rearing experiments
4) Cod tagging
5) A good proportion of the cod catch was examined for nematode infestation
6) Temperature and salinities were taken at the surface and bottom at all stations, and at all standard depths at a number of selected stations
7) An analysis was made of the plankton distribution
8) Nephrops larvae were taken at stations along the north coast and off the Butt of Lewis
9) Collections of phytoplankton material were made for Mrs Reid

Calls were made at Kyle on the 07/06/1966 and Stornoway on the 09/06/1966 to effect crew leave changes. The ship return to the North Sea on the 15/06/1966 to release current indicators at stations off Wick and in the Turbot Bank area.
Chief scientistIan G Baxter (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 4/66 cruise report explorer4_66.pdf — access key 'C' (0.11 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificButt of Lewis, Wick, Turbot Bank, Stanton Banks, west of the Shetlands, Orkney, west of Skerryvore, St. Kilda
Measurements 
Biology and fisheries 
Pelagic fishDescription: Prominent species were herring, haddock and spurdogs.1 haul was made for live fish for the aquarium, ripe lemon sole for Mr Symonds
Pelagic fishQuantity: number of specimens = 2000
Description: Otoliths from herring were collected and K2 counts and gill rakers were taken from about 900 of these fish
Demersal fishDescription: Prominent species were herring, haddock and spurdogs.1 haul was made for live fish for the aquarium, ripe lemon sole for Mr Symonds
TaggingsQuantity: number of specimens = 44
Description: Taggings of Cod
Other biological/fisheries measurementQuantity: number of specimens = 2000
Description: Otoliths from herring were collected and K2 counts and gill rakers were taken from about 900 of these fish
Other biological/fisheries measurementQuantity: number of samples = 37
Description: Plankton indicator samples Taken for the S.M.B.A Oceanographic Laboratory, Edinburgh