Cruise inventory

FRV Explorer 2-3A/68

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier2-3A/68
Cruise period1968-03-11 — 1968-03-26
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1) To carry out a general survey of the Rockall Bank area
2) To make observations on diurnal catching rates and on the vertical distribution of blue whiting eggs

Net damage occurred due to coral. Docked in Greenock from 26/03/1968 till the 28/03/1968 to discuss the results obtained and await new scientific staff.
Chief scientistJake H Fraser (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 2-3A/68 cruise report explorer2and3_68.pdf — access key 'C' (0.38 MB) 
Ocean/sea areas 
GeneralNorth Atlantic Ocean
SpecificScrabster, Rockall, Butt of Lewis, Clyde
Physical oceanography 
Surface measurements underway (T,S)Description: hydrograpgy and chemical observations
Chemical oceanography 
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Description: for chlorophyll a
ZooplanktonDescription: all plankton sampling was carried out with a 1 m 60 mesh nets
Pelagic fishDescription: Apart from two occasions during the whole cruise when fishing was conducted in one locality in both daylight and darkness, trawling survey was carried out in daylight. 33 per haul of large ling, 2-135 of haddock, some saithe present