Cruise inventory

FRV Clupea 0577C

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier0577C
Cruise period1977-04-20 — 1977-05-05
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
PurposeTrials
Objectives1) Comparative fishing to assess the catch differential and the composition of a high opening, four panel trawl and standard commercial trawl
2) To examine whether or not the trawl catch is proportional in size and composition between two ships of different HP's fishing gear of the same design but of a size to suit the towing vessel

''Clupea'' fished with ''Explorer'' till the 30/04/1977 when ''Explorer'' had to break off and return to Aberdeen. Ground was tested off Spey Bay in the Moray Firth where underwater observations by divers and instrumentation of the 600 HP four panel trawl was carried out
Chief scientistA Corrigall (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 0577C cruise report explorer3b_77.pdf — access key 'C' (0.06 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificBalta area, Spey Bay, Moray Firth
Measurements 
Biology and fisheries 
Demersal fishQuantity: number of hauls = 8
Description: 6 with gear A (four panel), 2 with gear B (Bolt rope)
Gear researchQuantity: number of hauls = 8
Description: 6 with gear A (four panel), 2 with gear B (Bolt rope)