FRV Clupea 0686C_1

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier0686C_1
Cruise period1986-04-30 — 1986-05-14
Port of departureBuckie, United Kingdom
Port of returnBuckie, United Kingdom
Objectives1. To compare the separation between codend and cover when using diamond and square mesh covers.
2. To film the effect on small mesh codend cover shape of speed changes between 2 and 3.5 knots to ascertain possible codend selection variation caused by codend and cover separation.
3. To measure the mesh opening of a codend with half the normal number of meshes on its circumference.
4. To film and measure the engineering performance of a twin trawl with a view to using it for comparative fishing experiments.
5. To film a tapered square mesh codend.
Chief scientistJack H B Robertson (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 0686C_1 cruise report cl6_86.pdf (0.10 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificOrkney/ North Coat
Biology and fisheries 
Gear researchDescription: Comparisons of different cod-ends and the performance of a twin trawl.