Cruise inventory

FRV Clupea 0891C

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier0891C
Cruise period1991-05-22 — 1991-05-31
StatusCompleted
Port of departureBuckie, United Kingdom
Port of returnBuckie, United Kingdom
PurposeTrials
Objectives1. To test new materials for use in square mesh window cod-ends.
2. To observe, with underwater television, the effect of placing supporing rings around small mesh covers, to establish the best rig for pair trawl selectivity measurements and to measure the water flow in covered cod-ends.
3. To observe square mesh windows in diamond mesh cod-ends designed to aid the escape of juvenile cod and other species and to measure the changes in water flow in cod-ends due to the insertion of windows.
Chief scientistJack H B Robertson (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 0891C cruise report cl8_91.pdf — access key 'C' (0.10 MB) 
Ocean/sea areas 
GeneralNorth Sea
North East Atlantic Ocean (limit 40W)
SpecificOrkney and Shetland
Measurements 
Biology and fisheries 
Gear researchQuantity: number of hauls = 13
Description: Test new materials for use in square mesh window cod-ends.
Other biological/fisheries measurementQuantity: number of hauls = 13
Description: RCTV used to monitor juvenile fish escaping from cod-end.