Cruise inventory

FRV Explorer 7/66

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier7/66
Cruise period1966-08-24 — 1966-09-07
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnLeith, United Kingdom
PurposeResearch
ObjectivesTrawling, hydrographic and plankton studies in the North Sea.

''Explorer'' landed a sick crew member on the 02/09/1966 at Aberdeen, leaving on the 03/09/1966. Bad weather severley curtailed the trawling and hydrographic work on the second part of the cruise.
Chief scientistDavid J Symonds (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
ProjectHeld
Cruise reportFRV Explorer 7/66 cruise report explorer7_66.pdf — access key 'C' (0.09 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificS and E of Dogger Bank, German Bight
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: number of stations = 30
Description: Taken from the surface and bottom
Water bottle stationsQuantity: number of stations = 30
Description: Taken from the surface and bottom
Subsurface temperature and salinity measurementsQuantity: number of stations = 30
Description: Taken from the surface and bottom
Biology and fisheries 
Sediment trapsQuantity: number of stations = 4
Description: Sedimentation samples taken from 10 m and standard hauls
PhytoplanktonQuantity: number of stations = 21
Description: 15 oblique hauls were made with the Gulf III net, 6 stations with the 1 m (26 mesh) net for plankton
ZooplanktonQuantity: number of stations = 21
Description: 15 oblique hauls were made with the Gulf III net, 6 stations with the 1 m (26 mesh) net for plankton
Pelagic fishDescription: One hour hauls. Herring, Sprats, Whiting, Cod, Haddock, Mackerel, and Flatfish sampled. Hauls were made with the French trawl with a small meshed extension piece and codend.
Demersal fishDescription: One hour hauls. Herring, Sprats, Whiting, Cod, Haddock, Mackerel, and Flatfish sampled. Hauls were made with the French trawl with a small meshed extension piece and codend.
TaggingsQuantity: number of specimens = 68
Description: Taggings of cod. 96 were examied for the occurance of nematodes in the flesh. 2 samples of gall bladders were preserved