Cruise inventory

FRV Explorer 5/70

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier5/70
Cruise period1970-06-17 — 1970-07-04
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1) Faroe-Sheltand hydrographic lines
2) Faroe fish-environmental survey
3) An annotated record of surface tempertaure and salinity was made using a salinograph on route from Aberdeen to Faroe Bank and again from Nolso to Flugga, and back to Aberdeen
4) A few shallow net hauls were made to catch Calanus for Mr Garcia Braun to undertake feeding experiments of this copepod, in which carbon-14 and chlorophyll were used as parameters for growth
5) A proportion of cod from each catch was examined for worm infestation in the flesh
6) All specimens of Argentine were frozen and brought back to the laboratory for further study

A short break was made at Klaksvik, and a 2 day break was made in Thorshavn.
Chief scientistRichard B Burns (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 5/70 cruise report explorer5_70.pdf — access key 'C' (0.20 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificN. Atlantic - north of Scotland, Butt of Lewis, Faroe Bank, Klaksvik, Nolso-Flugga area, Wyrille-Thomson ridge, Sando Bank, Fuglo Corner, North of Enniberg
Physical oceanography 
Water bottle stationsQuantity: number of stations = 57
Description: 33 top & bottom only
Chemical oceanography 
OxygenQuantity: 6
PhosphateQuantity: 6
Description: Nutrient estimation taken on hydrographic lines
NitrateQuantity: 6
Description: Nutrient estimation taken on hydrographic lines
SilicateQuantity: 6
Description: Nutrient estimation taken on hydrographic lines
Biology and fisheries 
PhytoplanktonQuantity: 7
Description: international standard net
ZooplanktonQuantity: 28
Description: W.P.3 net
Demersal fishQuantity: number of hauls = 41
Description: Each 1-hour duration. Considerable species variation that included haddock, cod, saithe, and lemon sole
Occasional standard measurementsDescription: surface temperature and salinity