Cruise inventory

FRV Explorer 2-3C/68

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier2-3C/68
Cruise period1968-04-12 — 1968-04-22
Port of departureStornoway, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1) Gulf III and surface hydrography stations were repeated which had been sampled while on passage to Stornoway
2) Further studies of diurnal variation in catching areas were done
3) A trawling, plankton, and hydrographic survey was carried out from 14/04/1968 till the 20/04/1968
Chief scientistJake H Fraser (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory), James A Adams (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 2-3C/68 cruise report explorer2and3_68.pdf — access key 'C' (0.38 MB) 
Ocean/sea areas 
GeneralNorth Atlantic Ocean
SpecificRockall, west of the Bank
Physical oceanography 
Surface measurements underway (T,S)Description: T only
BathythermographQuantity: number of profiles = 49
Description: mechanical
Water bottle stationsQuantity: number of stations = 5
Description: 44 T surface
Chemical oceanography 
PhosphateQuantity: 2
NitrateQuantity: 1
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: 4
Description: for chlorophyll a
PhytoplanktonQuantity: 49
ZooplanktonDescription: The Gulf III was used
Pelagic fishQuantity: number of hauls = 7
Description: 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. 246 per haul of large ling, 2-245 of haddock, some saithe present