Cruise inventory

FRV Clupea 5/69

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier5/69
Cruise period1969-04-07 — 1969-05-01
Port of departureBuckie, United Kingdom
Port of returnBuckie, United Kingdom
Objectivesa) To compare the performance of three kinds of trawl boards, 1) flat, 2) V-type, 3) curved, and
b) To obtain data on the selection of a courlene cod-end covered by a large mesh Ulstron net.
Chief scientistWilliam B Hall (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 5/69 cruise report cl5_69.pdf — access key 'C' (0.06 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificFishing grounds off Copinsay, Orkney.
Biology and fisheries 
Pelagic fishQuantity: activity duration in days = 19
Description: Comparative fishing trawls carried out beginning off Copinsay. Hauls of 40-50 baskets made mainly of haddock and whiting. During the cruise two different cod-ends were used approx 70 and 80 mm. 24th April - 1st May grounds fished at Copinsay. Further fishng at the Moray Firth
Gear researchQuantity: number of hauls = 1
Description: An experimental haul using curved doors was made