Cruise inventory

FRV Explorer 3B/77

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier3B/77
Cruise period1977-04-15 — 1977-04-30
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 a standard commercial trawl
2) To examine whether or not the trawl catch is in proportinal 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

Fishing was confined to the hours of darkness. ''Clupea'' joined ''Explorer'' in the Balta area on the 20/04/1977 and both ships continued to fish together.
Chief scientistA Corrigall (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 3B/77 cruise report explorer3b_77.pdf — access key 'C' (0.06 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificBalta Sound, Shetland,
Measurements 
Biology and fisheries 
Demersal fishQuantity: number of hauls = 30
Description: 20 with gear A (four panel) and 10 hauls with gear B (Bolt rope)
Gear researchQuantity: number of hauls = 30
Description: 20 with gear A (four panel) and 10 hauls with gear B (Bolt rope)