Cruise inventory

FRV Explorer 2/69

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier2/69
Cruise period1969-05-12 — 1969-05-27
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1) Tagging of roundfish, caught by trawl with a detachable codend.
2) Physiological experiments
3) Grab sampling using a Smith-McIntyre grab to obtain live benthic organism for feeding experiments

Some hauls were made by trawl using an ordinary sized codend in the vicinity of latitude 58 degrees, 18 mintues North, longitude 2 degrees, 14 minutes West
Chief scientistRodney Jones (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 2/69 cruise report explorer2_69.pdf — access key 'C' (0.15 MB) 
Ocean/sea areas 
GeneralNorth Sea
Biology and fisheries 
Biochemical measurements (eg lipids, amino acids)Description: Freshly caught haddock studied for lactate metabolism. Blood samples taken for later lactate, glucose and corticoid analysis
TaggingsDescription: 2 hauls using detachable codends, 193 haddock and 134 whiting tagged. 230 Haddock and 127 whiting were tagged by detachable codends from hauls made by trawl fitted with a normal codend