Cruise inventory

FRV Explorer 11/79

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier11/79
Cruise period1979-11-06 — 1979-11-26
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
PurposeResearch
Objectives1) To undertake a North Sea pre-recruit demersal fish survey using a 48' Aberdeen trawl with a small mesh cover
2) All herring were deep frozen for analysis at the Laboratory
3) Samples of haddock from the Orkney and Shetland areas were deep frozen for Dr McVicar and samples of large squid from most sampling areas were collected for Mr Smith
4) Samples of haddock, hake, whiting, and ling were deep frozen from different areas for Dr Mackie of the Torry Research Station

''Explorer'' anchored in Inganess Bay on the 10/11/1979 for the night. The mid-cruise break took place in the 14/11/1979 till the 15/11/1979 in Lerwick. Bad weather forced the ship to shelter in Fetlar for the night on the 17/11/1979 and again in Inganess Bay on the 24/11/1979
Chief scientistArthur S Jermyn (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 11/79 cruise report explorer11_79.pdf — access key 'C' (2.85 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificMoray Firth, off the Aberdeenshire coast, Orkneys, Shetland
Track chartsFRV Explorer 11/79 cruise track — explorer11_79trk.pdf (00 MB) 
Measurements 
Biology and fisheries 
Pelagic fishQuantity: number of hauls = 41
Description: 1 hour duration for monitoring,biomass determiation and population structures. Herring sprats, industrial fish, squalus acanthias,lemon sole, long rough dab, Sebastes viviparous, Nephrops, and Pandalus were also caught.
Demersal fishQuantity: number of hauls = 41
Description: 1 hour duration made using the 48 ft Aberdeen trawl with small mesh cover. 4263 otoliths taken from cod, haddock, saithe, and whiting during the cruise were read at sea.
CrustaceansQuantity: number of hauls = 41
Description: 1 hour duration. 20 pilot whales observed.